| Abies guatemalensis | Rehder | Pinaceae | 8 |
| Abildgaardia ovata | (Burm.f.) Kral | Cyperaceae | 8 |
| Abutilon abutiloides | (Jacq.) Garcke ex Hochr. | Malvaceae | 8 |
| Abutilon divaricatum | Turcz. | Malvaceae | 8 |
| Abutilon trisulcatum | Urb. | Malvaceae | 8 |
| Abutilon viscosum | (L.) Dorr | Malvaceae | 8 |
| Acaciella angustissima | (Mill.) Britton & Rose | Fabaceae | 8 |
| Acalypha alopecuroidea | Jacq. | Euphorbiaceae | 8 |
| Acalypha arvensis | Poepp. | Euphorbiaceae | 8 |
| Acalypha diversifolia | Jacq. | Euphorbiaceae | 8 |
| Acalypha leptopoda | Müll.Arg. | Euphorbiaceae | 8 |
| Acalypha macrostachya | Jacq. | Euphorbiaceae | 8 |
| Acalypha mexicana | Müll.Arg. | Euphorbiaceae | 8 |
| Acalypha persimilis | Müll.Arg. | Euphorbiaceae | 8 |
| Acalypha poiretii | Spreng. | Euphorbiaceae | 8 |
| Acalypha setosa | A.Rich. | Euphorbiaceae | 8 |
| Acanthocereus tetragonus | (L.) Hummelinck | Cactaceae | 8 |
| Acanthospermum hispidum | DC. | Asteraceae | 8 |
| Acer negundo | L. | Sapindaceae | 8 |
| Achimenes candida | Lindl. | Gesneriaceae | 8 |
| Achimenes erecta | (Lam.) H.P.Fuchs | Gesneriaceae | 8 |
| Achimenes grandiflora | (Schiede) DC. | Gesneriaceae | 8 |
| Achimenes longiflora | DC. | Gesneriaceae | 8 |
| Achimenes skinneri | Lindl. | Gesneriaceae | 8 |
| Acianthera pubescens | (Lindl.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Acmella radicans | (Jacq.) R.K.Jansen | Asteraceae | 8 |
| Acmella repens | Rich. ex Pers. | Asteraceae | 8 |
| Acmella uliginosa | (Sw.) Cass. | Asteraceae | 8 |
| Acoelorraphe wrightii | (Griseb. & H.Wendl.) H.Wendl. ex Becc. | Arecaceae | 8 |
| Acrocomia aculeata | (Jacq.) Lodd. ex Mart. | Arecaceae | 8 |
| Acrostichum aureum | L. | Pteridaceae | 8 |
| Acrostichum danaeifolium | Langsd. & Fisch. | Pteridaceae | 8 |
| Adenaria floribunda | Kunth | Lythraceae | 8 |
| Adiantopsis radiata | (L.) Fée | Pteridaceae | 8 |
| Adiantum amplum | C.Presl | Pteridaceae | 8 |
| Adiantum andicola | Liebm. | Pteridaceae | 8 |
| Adiantum capillus-veneris | L. | Pteridaceae | 8 |
| Adiantum concinnum | Humb. & Bonpl. ex Willd. | Pteridaceae | 8 |
| Adiantum latifolium | Lam. | Pteridaceae | 8 |
| Adiantum macrophyllum | Sw. | Pteridaceae | 8 |
| Adiantum petiolatum | Desv. | Pteridaceae | 8 |
| Adiantum poiretii | Wikstr. | Pteridaceae | 8 |
| Adiantum pulverulentum | L. | Pteridaceae | 8 |
| Adiantum raddianum | C.Presl | Pteridaceae | 8 |
| Adiantum tenerum | Sw. | Pteridaceae | 8 |
| Adiantum trapeziforme | L. | Pteridaceae | 8 |
| Adiantum tricholepis | Fée | Pteridaceae | 8 |
| Aechmea angustifolia | Poepp. & Endl. | Bromeliaceae | 8 |
| Aechmea bracteata | (Sw.) Griseb. | Bromeliaceae | 8 |
| Aechmea bromeliifolia | (Rudge) Baker ex Benth. & Hook.f. | Bromeliaceae | 8 |
| Aechmea magdalenae | (André) André ex Baker | Bromeliaceae | 8 |
| Aechmea mariae-reginae | H.Wendl. | Bromeliaceae | 8 |
| Aechmea nudicaulis | (L.) Griseb. | Bromeliaceae | 8 |
| Aechmea tillandsioides | (Mart. ex Schult. & Schult.f.) Baker | Bromeliaceae | 8 |
| Aeschynomene americana | L. | Fabaceae | 8 |
| Aeschynomene villosa | Poir. | Fabaceae | 8 |
| Agalinis harperi | Pennell | Orobanchaceae | 8 |
| Agalinis maritima | (Raf.) Raf. | Orobanchaceae | 8 |
| Agave angustifolia | Haw. | Asparagaceae | 8 |
| Agave seemanniana | Jacobi | Asparagaceae | 8 |
| Ageratina ligustrina | (DC.) R.M.King & H.Rob. | Asteraceae | 8 |
| Ageratina pichinchensis | (Kunth) R.M.King & H.Rob. | Asteraceae | 8 |
| Ageratum corymbosum | Zucc. ex Pers. | Asteraceae | 8 |
| Ageratum gaumeri | B.L.Rob. | Asteraceae | 8 |
| Ageratum houstonianum | Mill. | Asteraceae | 8 |
| Agonandra racemosa | (DC.) Standl. | Opiliaceae | 8 |
| Agrostis perennans | (Walter) Tuck. | Poaceae | 8 |
| Aiouea montana | (Sw.) R.Rohde | Lauraceae | 8 |
| Alchornea latifolia | Sw. | Euphorbiaceae | 8 |
| Aldama dentata | La Llave | Asteraceae | 8 |
| Alibertia edulis | (Rich.) A.Rich. ex DC. | Rubiaceae | 8 |
| Alloispermum integrifolium | (DC.) H.Rob. | Asteraceae | 8 |
| Allophylus racemosus | Sw. | Sapindaceae | 8 |
| Alnus acuminata | Kunth | Betulaceae | 8 |
| Alnus jorullensis | Kunth | Betulaceae | 8 |
| Alonsoa meridionalis | (L.f.) Kuntze | Scrophulariaceae | 8 |
| Alophia silvestris | (Loes.) Goldblatt | Iridaceae | 8 |
| Alsophila firma | (Baker) D.S.Conant | Cyatheaceae | 8 |
| Alstonia longifolia | (A.DC.) Pichon | Apocynaceae | 8 |
| Alternanthera brasiliana | (L.) Kuntze | Amaranthaceae | 8 |
| Alternanthera caracasana | Kunth | Amaranthaceae | 8 |
| Alternanthera paronychioides | A.St.-Hil. | Amaranthaceae | 8 |
| Alternanthera sessilis | (L.) DC. | Amaranthaceae | 8 |
| Alvaradoa amorphoides | Liebm. | Picramniaceae | 8 |
| Amaranthus cruentus | L. | Amaranthaceae | 8 |
| Amaranthus hybridus | L. | Amaranthaceae | 8 |
| Amaranthus polygonoides | L. | Amaranthaceae | 8 |
| Amaranthus spinosus | L. | Amaranthaceae | 8 |
| Amaranthus viridis | L. | Amaranthaceae | 8 |
| Ambrosia hispida | Pursh | Asteraceae | 8 |
| Ammannia auriculata | Willd. | Lythraceae | 8 |
| Ammannia coccinea | Rottb. | Lythraceae | 8 |
| Amphilophium crucigerum | (L.) L.G.Lohmann | Bignoniaceae | 8 |
| Amphilophium paniculatum | (L.) Kunth | Bignoniaceae | 8 |
| Amphipterygium adstringens | (Schltdl.) Schiede ex Standl. | Anacardiaceae | 8 |
| Amphitecna latifolia | (Mill.) A.H.Gentry | Bignoniaceae | 8 |
| Amyris elemifera | L. | Rutaceae | 8 |
| Anacardium excelsum | Skeels | Anacardiaceae | 8 |
| Andira inermis | (W.Wright) Kunth ex DC. | Fabaceae | 8 |
| Andropogon bicornis | L. | Poaceae | 8 |
| Andropogon virginicus | L. | Poaceae | 8 |
| Anemia adiantifolia | (L.) Sw. | Anemiaceae | 8 |
| Anemia oblongifolia | (Cav.) Sw. | Anemiaceae | 8 |
| Anemia phyllitidis | (L.) Sw. | Anemiaceae | 8 |
| Anemia tomentosa | (Savigny) Sw. | Anemiaceae | 8 |
| Anemopaegma chrysanthum | Dugand | Bignoniaceae | 8 |
| Anemopaegma puberulum | (Seibert) Miranda | Bignoniaceae | 8 |
| Angelonia angustifolia | Benth. | Plantaginaceae | 8 |
| Aniseia martinicensis | (Jacq.) Choisy | Convolvulaceae | 8 |
| Annona glabra | L. | Annonaceae | 8 |
| Annona macroprophyllata | Donn.Sm. | Annonaceae | 8 |
| Annona mucosa | Jacq. | Annonaceae | 8 |
| Annona muricata | L. | Annonaceae | 8 |
| Annona purpurea | Moc. & Sessé ex Dunal | Annonaceae | 8 |
| Annona reticulata | L. | Annonaceae | 8 |
| Annona squamosa | L. | Annonaceae | 8 |
| Anoda acerifolia | Cav. | Malvaceae | 8 |
| Anoda cristata | (L.) Schltdl. | Malvaceae | 8 |
| Anredera vesicaria | (Lam.) C.F.Gaertn. | Basellaceae | 8 |
| Anthurium bakeri | Hook.f. | Araceae | 8 |
| Anthurium clavigerum | Poepp. | Araceae | 8 |
| Anthurium concinnatum | Schott | Araceae | 8 |
| Anthurium consobrinum | Schott | Araceae | 8 |
| Anthurium gracile | (Rudge) Lindl. | Araceae | 8 |
| Anthurium microspadix | Schott | Araceae | 8 |
| Anthurium obtusum | (Engl.) Grayum | Araceae | 8 |
| Anthurium ochranthum | K.Koch | Araceae | 8 |
| Anthurium pentaphyllum | (Aubl.) G.Don | Araceae | 8 |
| Anthurium salvinii | Hemsl. | Araceae | 8 |
| Anthurium scandens | (Aubl.) Engl. | Araceae | 8 |
| Anthurium schlechtendalii | Kunth | Araceae | 8 |
| Antigonon leptopus | Hook. & Arn. | Polygonaceae | 8 |
| Apeiba membranacea | Spruce ex Benth. | Malvaceae | 8 |
| Apeiba tibourbou | Aubl. | Malvaceae | 8 |
| Aphelandra aurantiaca | (Scheidw.) Lindl. | Acanthaceae | 8 |
| Aphelandra scabra | (Vahl) Sm. | Acanthaceae | 8 |
| Aphelandra sinclairiana | Nees | Acanthaceae | 8 |
| Apocissus trianae | (Planch.) Jackes & Trias-Blasi | Vitaceae | 8 |
| Apodanthes caseariae | Poit. | Apodanthaceae | 8 |
| Apteria aphylla | (Nutt.) Barnhart ex Small | Burmanniaceae | 8 |
| Arachnothryx buddleioides | (Benth.) Planch. | Rubiaceae | 8 |
| Aralia humilis | Cav. | Araliaceae | 8 |
| Arbutus xalapensis | Kunth | Ericaceae | 8 |
| Arceuthobium globosum | Hawksw. & Wiens | Santalaceae | 8 |
| Arceuthobium vaginatum | (Humb. & Bonpl. ex Willd.) J.Presl | Santalaceae | 8 |
| Ardisia compressa | Kunth | Primulaceae | 8 |
| Ardisia escallonioides | Schltdl. & Cham. | Primulaceae | 8 |
| Ardisia revoluta | Kunth | Primulaceae | 8 |
| Ardisia staminosa | Lundell | Primulaceae | 8 |
| Arenaria lanuginosa | (Michx.) Rohrb. | Caryophyllaceae | 8 |
| Argemone mexicana | L. | Papaveraceae | 8 |
| Aristida adscensionis | L. | Poaceae | 8 |
| Aristida divaricata | Humb. & Bonpl. ex Willd. | Poaceae | 8 |
| Aristida purpurascens | Poir. | Poaceae | 8 |
| Aristida ternipes | Cav. | Poaceae | 8 |
| Aristolochia anguicida | Jacq. | Aristolochiaceae | 8 |
| Aristolochia grandiflora | Sw. | Aristolochiaceae | 8 |
| Aristolochia leuconeura | Linden | Aristolochiaceae | 8 |
| Aristolochia maxima | Jacq. | Aristolochiaceae | 8 |
| Aristolochia odoratissima | L. | Aristolochiaceae | 8 |
| Aristolochia pilosa | Kunth | Aristolochiaceae | 8 |
| Arracacia aegopodioides | (Kunth) J.M.Coult. & Rose | Apiaceae | 8 |
| Arthrostemma ciliatum | Pav. ex D.Don | Melastomataceae | 8 |
| Asclepias curassavica | L. | Apocynaceae | 8 |
| Asclepias oenotheroides | Schltdl. & Cham. | Apocynaceae | 8 |
| Asclepias senecionifolia | M.E.Jones | Apocynaceae | 8 |
| Asclepias similis | Hemsl. | Apocynaceae | 8 |
| Asemeia floribunda | (Benth.) J.F.B.Pastore & J.R.Abbott | Polygalaceae | 8 |
| Aspicarpa albida | (Cham. & Schltdl.) Hassl. | Malpighiaceae | 8 |
| Aspicarpa hexandra | (Nied.) Hassl. | Malpighiaceae | 8 |
| Asplenium fragrans | Sw. | Aspleniaceae | 8 |
| Asplenium monanthes | L. | Aspleniaceae | 8 |
| Asplenium praemorsum | Sw. | Aspleniaceae | 8 |
| Asplenium serra | Langsd. & Fisch. | Aspleniaceae | 8 |
| Asplenium theciferum | (Kunth) Mett. | Aspleniaceae | 8 |
| Asterohyptis stellulata | (Benth.) Epling | Lamiaceae | 8 |
| Astianthus viminalis | (Kunth) Baill. | Bignoniaceae | 8 |
| Astraea lobata | (L.) Klotzsch | Euphorbiaceae | 8 |
| Astrocaryum alatum | H.F.Loomis | Arecaceae | 8 |
| Astrocaryum mexicanum | Liebm. ex Mart. | Arecaceae | 8 |
| Astrolepis sinuata | (Lag. ex Sw.) D.M.Benham & Windham | Pteridaceae | 8 |
| Astronium graveolens | Jacq. | Anacardiaceae | 8 |
| Attalea butyracea | (Mutis ex L.f.) Wess.Boer | Arecaceae | 8 |
| Attalea cohune | Mart. | Arecaceae | 8 |
| Augusta rivalis | (Benth.) J.H.Kirkbr. | Rubiaceae | 8 |
| Aulosepalum hemichrea | (Lindl.) Garay | Orchidaceae | 8 |
| Aulosepalum pyramidale | (Lindl.) M.A.Dix & M.W.Dix | Orchidaceae | 8 |
| Avicennia germinans | (L.) L. | Acanthaceae | 8 |
| Axonopus compressus | (Sw.) P.Beauv. | Poaceae | 8 |
| Axonopus fissifolius | (Raddi) Kuhlm. | Poaceae | 8 |
| Ayenia aculeata | (Jacq.) Christenh. & Byng | Malvaceae | 8 |
| Ayenia micrantha | Standl. | Malvaceae | 8 |
| Azolla filiculoides | Lam. | Salviniaceae | 8 |
| Baccharis pedunculata | (Mill.) Cabrera | Asteraceae | 8 |
| Baccharis salicifolia | (Ruiz & Pav.) Pers. | Asteraceae | 8 |
| Baccharis trinervis | Pers. | Asteraceae | 8 |
| Bacopa lacertosa | Standl. | Plantaginaceae | 8 |
| Bacopa monnieri | (L.) Wettst. | Plantaginaceae | 8 |
| Bactris gasipaes | Kunth | Arecaceae | 8 |
| Bactris major | Jacq. | Arecaceae | 8 |
| Baltimora recta | L. | Asteraceae | 8 |
| Barkleyanthus salicifolius | (Kunth) H.Rob. & Brettell | Asteraceae | 8 |
| Barleria oenotheroides | Dum.Cours. | Acanthaceae | 8 |
| Bartlettina tuerckheimii | (Klatt) R.M.King & H.Rob. | Asteraceae | 8 |
| Batis maritima | L. | Bataceae | 8 |
| Bauhinia divaricata | L. | Fabaceae | 8 |
| Bauhinia pauletia | Pers. | Fabaceae | 8 |
| Bauhinia ungulata | L. | Fabaceae | 8 |
| Beaucarnea goldmanii | Rose | Asparagaceae | 8 |
| Begonia fischeri | Schrank | Begoniaceae | 8 |
| Begonia glabra | Aubl. | Begoniaceae | 8 |
| Begonia gracilis | Kunth | Begoniaceae | 8 |
| Begonia heracleifolia | Schltdl. & Cham. | Begoniaceae | 8 |
| Begonia involucrata | Liebm. | Begoniaceae | 8 |
| Begonia nelumbiifolia | Schltdl. & Cham. | Begoniaceae | 8 |
| Begonia plebeja | Liebm. | Begoniaceae | 8 |
| Begonia semiovata | Liebm. | Begoniaceae | 8 |
| Begonia sericoneura | Liebm. | Begoniaceae | 8 |
| Begonia urophylla | Hook. | Begoniaceae | 8 |
| Bejaria aestuans | Mutis | Ericaceae | 8 |
| Bellucia pentamera | Naudin | Melastomataceae | 8 |
| Beloglottis costaricensis | (Rchb.f.) Schltr. | Orchidaceae | 8 |
| Berberis hemsleyi | Donn.Sm. | Berberidaceae | 8 |
| Besleria solanoides | Kunth | Gesneriaceae | 8 |
| Bidens alba | DC. | Asteraceae | 8 |
| Bidens pilosa | L. | Asteraceae | 8 |
| Bidens reptans | G.Don | Asteraceae | 8 |
| Bidens triplinervia | Kunth | Asteraceae | 8 |
| Bignonia aequinoctialis | L. | Bignoniaceae | 8 |
| Billbergia pallidiflora | Liebm. | Bromeliaceae | 8 |
| Billia rosea | (Planch. & Linden) C.Ulloa & P.M.Jørg. | Sapindaceae | 8 |
| Biophytum dendroides | (Kunth) DC. | Oxalidaceae | 8 |
| Bixa orellana | L. | Bixaceae | 8 |
| Blechnum appendiculatum | Willd. | Blechnaceae | 8 |
| Blechnum occidentale | L. | Blechnaceae | 8 |
| Bletia campanulata | Lex. | Orchidaceae | 8 |
| Bletia gracilis | G.Lodd. | Orchidaceae | 8 |
| Bletia purpurata | A.Rich. & Galeotti | Orchidaceae | 8 |
| Bletia purpurea | (Lam.) A.DC. | Orchidaceae | 8 |
| Bletia roezlii | Rchb.f. | Orchidaceae | 8 |
| Blumea viscosa | (Mill.) V.M.Badillo | Asteraceae | 8 |
| Bocconia arborea | S.Watson | Papaveraceae | 8 |
| Bocconia frutescens | L. | Papaveraceae | 8 |
| Boehmeria caudata | Sw. | Urticaceae | 8 |
| Boehmeria cylindrica | (L.) Sw. | Urticaceae | 8 |
| Boerhavia coccinea | Mill. | Nyctaginaceae | 8 |
| Boerhavia diffusa | L. | Nyctaginaceae | 8 |
| Boerhavia erecta | L. | Nyctaginaceae | 8 |
| Bomarea acutifolia | Herb. | Alstroemeriaceae | 8 |
| Bomarea edulis | (Tussac) Herb. | Alstroemeriaceae | 8 |
| Bommeria pedata | (Sw.) Fourn. | Pteridaceae | 8 |
| Bonellia macrocarpa | (Cav.) B.Ståhl & Källersjö | Primulaceae | 8 |
| Borrichia arborescens | (L.) DC. | Asteraceae | 8 |
| Bothriochloa laguroides | (DC.) Herter | Poaceae | 8 |
| Bothriochloa torreyana | (Steud.) Scrivanti & Anton | Poaceae | 8 |
| Botrypus virginianus | (L.) Michx. | Ophioglossaceae | 8 |
| Bouchea prismatica | (L.) Kuntze | Verbenaceae | 8 |
| Bourreria huanita | Hemsl. | Ehretiaceae | 8 |
| Bouteloua chondrosioides | (Kunth) Benth. ex S.Watson | Poaceae | 8 |
| Bouteloua curtipendula | (Michx.) Torr. | Poaceae | 8 |
| Bouteloua repens | (Kunth) Scribn. & Merr. | Poaceae | 8 |
| Bouvardia glabra | Polák | Rubiaceae | 8 |
| Bouvardia leiantha | Benth. | Rubiaceae | 8 |
| Bouvardia ternifolia | (Cav.) Schltdl. | Rubiaceae | 8 |
| Brahea dulcis | (Kunth) Mart. | Arecaceae | 8 |
| Brassia verrucosa | Bateman ex Lindl. | Orchidaceae | 8 |
| Bromelia karatas | L. | Bromeliaceae | 8 |
| Bromelia pinguin | L. | Bromeliaceae | 8 |
| Bromus carinatus | Hook. & Arn. | Poaceae | 8 |
| Brosimum alicastrum | Sw. | Moraceae | 8 |
| Brosimum guianense | (Aubl.) Huber ex Ducke | Moraceae | 8 |
| Brosimum utile | (Kunth) Oken | Moraceae | 8 |
| Browallia americana | L. | Solanaceae | 8 |
| Buchnera pusilla | Kunth | Orobanchaceae | 8 |
| Buddleja americana | L. | Scrophulariaceae | 8 |
| Buddleja crotonoides | A.Gray | Scrophulariaceae | 8 |
| Buddleja nitida | Benth. | Scrophulariaceae | 8 |
| Bulbostylis capillaris | (L.) Kunth ex C.B.Clarke | Cyperaceae | 8 |
| Bulbostylis paradoxa | (Spreng.) Lindm. | Cyperaceae | 8 |
| Bunchosia montana | A.Juss. | Malpighiaceae | 8 |
| Burmannia capitata | (Walter ex J.F.Gmel.) Mart. | Burmanniaceae | 8 |
| Bursera bipinnata | (Moc. & Sessé ex DC.) Engl. | Burseraceae | 8 |
| Bursera excelsa | (Kunth) Engl. | Burseraceae | 8 |
| Bursera grandifolia | (Schltdl.) Engl. | Burseraceae | 8 |
| Bursera graveolens | (Kunth) Triana & Planch. | Burseraceae | 8 |
| Bursera palmeri | S.Watson | Burseraceae | 8 |
| Bursera simaruba | (L.) Sarg. | Burseraceae | 8 |
| Bursera tomentosa | (Jacq.) Triana & Planch. | Burseraceae | 8 |
| Byrsonima crassifolia | (L.) Kunth | Malpighiaceae | 8 |
| Byrsonima verbascifolia | Rich. ex Juss. | Malpighiaceae | 8 |
| Cabomba furcata | Schult. & Schult.f. | Cabombaceae | 8 |
| Caladium bicolor | (Aiton) Vent. | Araceae | 8 |
| Calanthe calanthoides | (A.Rich. & Galeotti) Hamer & Garay | Orchidaceae | 8 |
| Calathea crotalifera | S.Watson | Marantaceae | 8 |
| Calathea lutea | (Aubl.) Schult. | Marantaceae | 8 |
| Calceolaria mexicana | Benth. | Calceolariaceae | 8 |
| Calea ternifolia | Kunth | Asteraceae | 8 |
| Calea urticifolia | (Mill.) DC. | Asteraceae | 8 |
| Calliandra calothyrsus | Meisn. | Fabaceae | 8 |
| Calliandra houstoniana | (Mill.) Standl. | Fabaceae | 8 |
| Calliandra magdalenae | (Bertero ex DC.) Benth. | Fabaceae | 8 |
| Callicarpa acuminata | Kunth | Lamiaceae | 8 |
| Callichlamys latifolia | (Rich.) K.Schum. | Bignoniaceae | 8 |
| Callisia repens | (Jacq.) L. | Commelinaceae | 8 |
| Callitriche terrestris | Raf. | Plantaginaceae | 8 |
| Calophyllum brasiliense | Cambess. | Calophyllaceae | 8 |
| Calopogonium caeruleum | (Benth.) C.Wright | Fabaceae | 8 |
| Calopogonium mucunoides | Desv. | Fabaceae | 8 |
| Calycophyllum candidissimum | (Vahl) DC. | Rubiaceae | 8 |
| Camonea umbellata | (L.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Campuloclinium macrocephalum | DC. | Asteraceae | 8 |
| Campylocentrum schiedei | (Rchb.f.) Benth. ex Hemsl. | Orchidaceae | 8 |
| Campyloneurum angustifolium | (Sw.) Fée | Polypodiaceae | 8 |
| Campyloneurum phyllitidis | (L.) C.Presl | Polypodiaceae | 8 |
| Canavalia oxyphylla | Standl. & L.O.Williams | Fabaceae | 8 |
| Canavalia rosea | (Sw.) DC. | Fabaceae | 8 |
| Canavalia villosa | Benth. | Fabaceae | 8 |
| Canna glauca | L. | Cannaceae | 8 |
| Canna indica | L. | Cannaceae | 8 |
| Canna tuerckheimii | Kraenzl. | Cannaceae | 8 |
| Cantinoa mutabilis | (Rich.) Harley & J.F.B.Pastore | Lamiaceae | 8 |
| Caperonia castaneifolia | (L.) A.St.-Hil. | Euphorbiaceae | 8 |
| Caperonia palustris | A.St.-Hil. | Euphorbiaceae | 8 |
| Capraria biflora | L. | Scrophulariaceae | 8 |
| Capraria mexicana | Moric. ex Benth. | Scrophulariaceae | 8 |
| Capsicum annuum | L. | Solanaceae | 8 |
| Capsicum frutescens | L. | Solanaceae | 8 |
| Carapa guianensis | Aubl. | Meliaceae | 8 |
| Cardamine fulcrata | Greene | Brassicaceae | 8 |
| Cardiospermum grandiflorum | Sw. | Sapindaceae | 8 |
| Cardiospermum halicacabum | L. | Sapindaceae | 8 |
| Carex hamata | Sw. | Cyperaceae | 8 |
| Carex longii | Mack. | Cyperaceae | 8 |
| Carex polystachya | Sw. ex Wahlenb. | Cyperaceae | 8 |
| Carica papaya | L. | Caricaceae | 8 |
| Carlowrightia arizonica | A.Gray | Acanthaceae | 8 |
| Carludovica palmata | Ruiz & Pav. | Cyclanthaceae | 8 |
| Carpinus tropicalis | (Donn.Sm.) Lundell | Betulaceae | 8 |
| Cascabela gaumeri | (Hemsl.) Lippold | Apocynaceae | 8 |
| Cascabela ovata | (Cav.) Lippold | Apocynaceae | 8 |
| Cascabela thevetia | (L.) Lippold | Apocynaceae | 8 |
| Casearia arguta | Kunth | Salicaceae | 8 |
| Casearia corymbosa | Kunth | Salicaceae | 8 |
| Casearia decandra | Jacq. | Salicaceae | 8 |
| Casearia sylvestris | Sw. | Salicaceae | 8 |
| Casearia tremula | (Griseb.) Griseb. ex C.Wright | Salicaceae | 8 |
| Casimiroa edulis | La Llave | Rutaceae | 8 |
| Cassia grandis | L.f. | Fabaceae | 8 |
| Cassytha filiformis | L. | Lauraceae | 8 |
| Castilla elastica | Cerv. | Moraceae | 8 |
| Castilleja arvensis | Schltdl. & Cham. | Orobanchaceae | 8 |
| Castilleja integrifolia | L.f. | Orobanchaceae | 8 |
| Catasetum integerrimum | Hook. | Orchidaceae | 8 |
| Catoferia chiapensis | A.Gray ex Benth. | Lamiaceae | 8 |
| Catopsis floribunda | L.B.Sm. | Bromeliaceae | 8 |
| Catopsis nutans | (Sw.) Griseb. | Bromeliaceae | 8 |
| Catopsis paniculata | É.Morren | Bromeliaceae | 8 |
| Catopsis sessiliflora | (Ruiz & Pav.) Mez | Bromeliaceae | 8 |
| Cavendishia bracteata | (Ruiz & Pav. ex J.St.Hil.) Hoerold | Ericaceae | 8 |
| Cayaponia racemosa | (Mill.) Cogn. | Cucurbitaceae | 8 |
| Ceanothus caeruleus | Lag. | Rhamnaceae | 8 |
| Cecropia angustifolia | Trécul | Urticaceae | 8 |
| Cecropia obtusifolia | Bertol. | Urticaceae | 8 |
| Cecropia peltata | L. | Urticaceae | 8 |
| Cedrela fissilis | Vell. | Meliaceae | 8 |
| Cedrela odorata | L. | Meliaceae | 8 |
| Cedrela salvadorensis | Standl. | Meliaceae | 8 |
| Cedrela tonduzii | C.DC. | Meliaceae | 8 |
| Ceiba pentandra | (L.) Gaertn. | Malvaceae | 8 |
| Celtis iguanaea | (Jacq.) Sarg. | Cannabaceae | 8 |
| Cenchrus echinatus | L. | Poaceae | 8 |
| Cenchrus spinifex | Cav. | Poaceae | 8 |
| Cenostigma eriostachys | (Benth.) Gagnon & G.P.Lewis | Fabaceae | 8 |
| Cenostigma gaumeri | (Greenm.) Gagnon & G.P.Lewis | Fabaceae | 8 |
| Centella erecta | (L.f.) Fernald | Apiaceae | 8 |
| Centradenia inaequilateralis | G.Don | Melastomataceae | 8 |
| Centropogon ferrugineus | (L.f.) Gleason | Campanulaceae | 8 |
| Centropogon grandidentatus | (Schltdl.) Zahlbr. | Campanulaceae | 8 |
| Centrosema macrocarpum | Benth. | Fabaceae | 8 |
| Centrosema molle | Mart. ex Benth. | Fabaceae | 8 |
| Centrosema plumieri | (Turpin ex Pers.) Benth. | Fabaceae | 8 |
| Centrosema pubescens | Benth. | Fabaceae | 8 |
| Centrosema virginianum | (L.) Benth. | Fabaceae | 8 |
| Cephalanthus occidentalis | L. | Rubiaceae | 8 |
| Cephalanthus salicifolius | Bonpl. | Rubiaceae | 8 |
| Ceratophyllum demersum | L. | Ceratophyllaceae | 8 |
| Cespedesia spathulata | (Ruiz & Pav.) Planch. | Ochnaceae | 8 |
| Cestrum aurantiacum | Lindl. | Solanaceae | 8 |
| Cestrum guatemalense | Francey | Solanaceae | 8 |
| Cestrum macrophyllum | Vent. | Solanaceae | 8 |
| Cestrum nocturnum | L. | Solanaceae | 8 |
| Cestrum tomentosum | L.f. | Solanaceae | 8 |
| Chaetogastra longifolia | (Vahl) DC. | Melastomataceae | 8 |
| Chamaecrista absus | (L.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Chamaecrista desvauxii | (Collad.) Killip | Fabaceae | 8 |
| Chamaecrista flexuosa | (L.) Greene | Fabaceae | 8 |
| Chamaecrista kunthiana | (Schltdl. & Cham.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Chamaecrista nictitans | (L.) Moench | Fabaceae | 8 |
| Chamaecrista rotundifolia | (Pers.) Greene | Fabaceae | 8 |
| Chamaedorea costaricana | Oerst. | Arecaceae | 8 |
| Chamaedorea ernesti-augusti | H.Wendl. | Arecaceae | 8 |
| Chamaedorea pinnatifrons | (Jacq.) Oerst. | Arecaceae | 8 |
| Chamaedorea seifrizii | Burret | Arecaceae | 8 |
| Chamaedorea tepejilote | Liebm. | Arecaceae | 8 |
| Chamissoa altissima | Kunth | Amaranthaceae | 8 |
| Chaptalia nutans | (L.) Pol. | Asteraceae | 8 |
| Cheiroglossa palmata | (L.) C.Presl | Ophioglossaceae | 8 |
| Chenopodium berlandieri | Moq. | Chenopodiaceae | 8 |
| Chimaphila maculata | (L.) Pursh | Ericaceae | 8 |
| Chiococca alba | (L.) Hitchc. | Rubiaceae | 8 |
| Chiococca pachyphylla | Wernham | Rubiaceae | 8 |
| Chiococca phaenostemon | Schltdl. | Rubiaceae | 8 |
| Chiranthodendron pentadactylon | Larreat. | Malvaceae | 8 |
| Chloracantha spinosa | (Benth.) G.L.Nesom | Asteraceae | 8 |
| Chloris virgata | Sw. | Poaceae | 8 |
| Chloroleucon mangense | (Jacq.) Britton & Rose | Fabaceae | 8 |
| Chromolaena collina | (DC.) R.M.King & H.Rob. | Asteraceae | 8 |
| Chromolaena odorata | (L.) R.M.King & H.Rob. | Asteraceae | 8 |
| Chrysobalanus icaco | L. | Chrysobalanaceae | 8 |
| Chrysophyllum mexicanum | Brandegee ex Standl. | Sapotaceae | 8 |
| Chrysothemis friedrichsthaliana | (Hanst.) H.E.Moore | Gesneriaceae | 8 |
| Chrysothemis panamensis | (Seem.) M.M.Mora & J.L.Clark | Gesneriaceae | 8 |
| Chrysothemis pulchella | (Donn ex Sims) Decne. | Gesneriaceae | 8 |
| Cipura campanulata | Ravenna | Iridaceae | 8 |
| Cipura paludosa | Aubl. | Iridaceae | 8 |
| Cirsium horridulum | Michx. | Asteraceae | 8 |
| Cirsium mexicanum | DC. | Asteraceae | 8 |
| Cirsium subcoriaceum | Sch.Bip. | Asteraceae | 8 |
| Cissampelos pareira | L. | Menispermaceae | 8 |
| Cissus alata | Jacq. | Vitaceae | 8 |
| Cissus biformifolia | Standl. | Vitaceae | 8 |
| Cissus erosa | Rich. | Vitaceae | 8 |
| Cissus gossypiifolia | Standl. | Vitaceae | 8 |
| Cissus microcarpa | Vahl | Vitaceae | 8 |
| Cissus verticillata | (L.) Nicolson & C.E.Jarvis | Vitaceae | 8 |
| Citharexylum caudatum | L. | Verbenaceae | 8 |
| Citharexylum donnell-smithii | Greenm. | Verbenaceae | 8 |
| Cladium mariscus | (L.) Pohl | Cyperaceae | 8 |
| Cleidion castaneifolium | Müll.Arg. | Euphorbiaceae | 8 |
| Clematis dioica | L. | Ranunculaceae | 8 |
| Cleome decipiens | Triana & Planch. | Cleomaceae | 8 |
| Cleome serrata | Jacq. | Cleomaceae | 8 |
| Cleyera theoides | (Sw.) Choisy | Pentaphylacaceae | 8 |
| Clitoria guianensis | (Aubl.) Benth. | Fabaceae | 8 |
| Clusia guatemalensis | Hemsl. | Clusiaceae | 8 |
| Clusia minor | L. | Clusiaceae | 8 |
| Clusia multiflora | Kunth | Clusiaceae | 8 |
| Clusia rosea | Jacq. | Clusiaceae | 8 |
| Clusia salvinii | Donn.Sm. | Clusiaceae | 8 |
| Cnidoscolus aconitifolius | (Mill.) I.M.Johnst. | Euphorbiaceae | 8 |
| Cnidoscolus multilobus | (Pax) I.M.Johnst. | Euphorbiaceae | 8 |
| Cnidoscolus urens | (L.) Arthur | Euphorbiaceae | 8 |
| Coccocypselum cordifolium | Nees & Mart. | Rubiaceae | 8 |
| Coccocypselum herbaceum | P.Browne ex Aubl. | Rubiaceae | 8 |
| Coccocypselum hirsutum | Bartl. ex DC. | Rubiaceae | 8 |
| Coccoloba acapulcensis | Standl. | Polygonaceae | 8 |
| Coccoloba caracasana | Meisn. | Polygonaceae | 8 |
| Coccoloba diversifolia | Jacq. | Polygonaceae | 8 |
| Coccoloba uvifera | (L.) L. | Polygonaceae | 8 |
| Cochlidium serrulatum | (Sw.) L.E.Bishop | Polypodiaceae | 8 |
| Cochlospermum vitifolium | (Willd.) Spreng. | Bixaceae | 8 |
| Codonanthopsis crassifolia | (H.Focke) Chautems & Mat.Perret | Gesneriaceae | 8 |
| Cojoba arborea | (L.) Britton & Rose | Fabaceae | 8 |
| Coleataenia tenera | (Beyr. ex Trin.) Soreng | Poaceae | 8 |
| Cologania broussonetii | (Balb.) DC. | Fabaceae | 8 |
| Cologania procumbens | Kunth | Fabaceae | 8 |
| Colubrina arborescens | (Mill.) Sarg. | Rhamnaceae | 8 |
| Columnea linearis | Oerst. | Gesneriaceae | 8 |
| Columnea microcalyx | Hanst. | Gesneriaceae | 8 |
| Columnea nicaraguensis | Oerst. | Gesneriaceae | 8 |
| Columnea purpurata | Hanst. | Gesneriaceae | 8 |
| Comaclinium montanum | (Benth.) Strother | Asteraceae | 8 |
| Comarostaphylis arbutoides | Lindl. | Ericaceae | 8 |
| Combretum farinosum | Kunth | Combretaceae | 8 |
| Combretum fruticosum | (Loefl.) Stuntz | Combretaceae | 8 |
| Combretum laxum | Jacq. | Combretaceae | 8 |
| Commelina erecta | L. | Commelinaceae | 8 |
| Commelina obliqua | Vahl | Commelinaceae | 8 |
| Commelina tuberosa | L. | Commelinaceae | 8 |
| Comparettia falcata | Poepp. & Endl. | Orchidaceae | 8 |
| Condea verticillata | (Jacq.) Harley & J.F.B.Pastore | Lamiaceae | 8 |
| Conocarpus erectus | L. | Combretaceae | 8 |
| Conopholis alpina | Liebm. | Orobanchaceae | 8 |
| Conyza laevigata | (Rich.) Pruski | Asteraceae | 8 |
| Corallorhiza odontorhiza | (Willd.) Nutt. | Orchidaceae | 8 |
| Corchorus aestuans | L. | Malvaceae | 8 |
| Corchorus siliquosus | L. | Malvaceae | 8 |
| Cordia alliodora | (Ruiz & Pav.) Oken | Cordiaceae | 8 |
| Cordia collococca | L. | Cordiaceae | 8 |
| Cordia dentata | Poir. | Cordiaceae | 8 |
| Cordia gerascanthus | L. | Cordiaceae | 8 |
| Cordia sebestena | L. | Cordiaceae | 8 |
| Cornus disciflora | Moc. & Sessé ex DC. | Cornaceae | 8 |
| Cornus excelsa | Kunth | Cornaceae | 8 |
| Cosmos caudatus | Kunth | Asteraceae | 8 |
| Cosmos crithmifolius | Kunth | Asteraceae | 8 |
| Cosmos sulphureus | Cav. | Asteraceae | 8 |
| Costus elegans | Veitch ex J.Dix | Costaceae | 8 |
| Costus laevis | Ruiz & Pav. | Costaceae | 8 |
| Costus pictus | D.Don | Costaceae | 8 |
| Costus pulverulentus | C.Presl | Costaceae | 8 |
| Costus scaber | Ruiz & Pav. | Costaceae | 8 |
| Couepia polyandra | (Kunth) Rose | Chrysobalanaceae | 8 |
| Coursetia caribaea | (Jacq.) Lavin | Fabaceae | 8 |
| Coursetia glandulosa | A.Gray | Fabaceae | 8 |
| Cranichis ciliata | Kunth | Orchidaceae | 8 |
| Cranichis diphylla | Sw. | Orchidaceae | 8 |
| Cranichis wageneri | Rchb.f. | Orchidaceae | 8 |
| Crateva tapia | L. | Capparaceae | 8 |
| Crescentia alata | Kunth | Bignoniaceae | 8 |
| Crescentia cujete | L. | Bignoniaceae | 8 |
| Crinum erubescens | L.f. | Amaryllidaceae | 8 |
| Critonia morifolia | (Mill.) R.M.King & H.Rob. | Asteraceae | 8 |
| Critonia quadrangularis | (DC.) R.M.King & H.Rob. | Asteraceae | 8 |
| Crocanthemum glomeratum | (Lag.) Janch. | Cistaceae | 8 |
| Crossopetalum uragoga | (Jacq.) Kuntze | Celastraceae | 8 |
| Crotalaria incana | L. | Fabaceae | 8 |
| Crotalaria micans | Link | Fabaceae | 8 |
| Crotalaria mollicula | Kunth | Fabaceae | 8 |
| Crotalaria pumila | Ortega | Fabaceae | 8 |
| Crotalaria rotundifolia | J.F.Gmel. | Fabaceae | 8 |
| Crotalaria sagittalis | L. | Fabaceae | 8 |
| Croton billbergianus | Müll.Arg. | Euphorbiaceae | 8 |
| Croton ciliatoglandulifer | Ortega | Euphorbiaceae | 8 |
| Croton cortesianus | Kunth | Euphorbiaceae | 8 |
| Croton draco | Schltdl. | Euphorbiaceae | 8 |
| Croton francoanus | Müll.Arg. | Euphorbiaceae | 8 |
| Croton glandulosus | L. | Euphorbiaceae | 8 |
| Croton guatemalensis | Lotsy | Euphorbiaceae | 8 |
| Croton heliotropiifolius | Kunth | Euphorbiaceae | 8 |
| Croton hirtus | L'Hér. | Euphorbiaceae | 8 |
| Croton punctatus | Jacq. | Euphorbiaceae | 8 |
| Croton reflexifolius | Kunth | Euphorbiaceae | 8 |
| Crusea coccinea | DC. | Rubiaceae | 8 |
| Crusea hispida | (Mill.) B.L.Rob. | Rubiaceae | 8 |
| Crusea longiflora | (Roem. & Schult.) W.R.Anderson | Rubiaceae | 8 |
| Cryosophila stauracantha | (Heynh.) R.J.Evans | Arecaceae | 8 |
| Cuitlauzina pulchella | (Bateman ex Lindl.) Dressler & N.H.Williams | Orchidaceae | 8 |
| Cunila polyantha | Benth. | Lamiaceae | 8 |
| Cupania americana | L. | Sapindaceae | 8 |
| Cupania dentata | Moc. & Sessé | Sapindaceae | 8 |
| Cupania glabra | Sw. | Sapindaceae | 8 |
| Cuphea aequipetala | Cav. | Lythraceae | 8 |
| Cuphea appendiculata | Benth. | Lythraceae | 8 |
| Cuphea avigera | B.L.Rob. & Seaton | Lythraceae | 8 |
| Cuphea carthagenensis | (Jacq.) J.F.Macbr. | Lythraceae | 8 |
| Cuphea hookeriana | Walp. | Lythraceae | 8 |
| Cuphea hyssopifolia | Kunth | Lythraceae | 8 |
| Cuphea leptopoda | Hemsl. | Lythraceae | 8 |
| Cuphea wrightii | A.Gray | Lythraceae | 8 |
| Curatella americana | L. | Dilleniaceae | 8 |
| Cyathea costaricensis | (Kuhn) Domin | Cyatheaceae | 8 |
| Cyathula prostrata | (L.) Blume | Amaranthaceae | 8 |
| Cyclanthera carthagenensis | (Jacq.) H.Schaef. & S.S.Renner | Cucurbitaceae | 8 |
| Cyclanthus bipartitus | Poit. ex A.Rich. | Cyclanthaceae | 8 |
| Cyclopeltis semicordata | (Sw.) J.Sm. | Lomariopsidaceae | 8 |
| Cyclopogon cranichoides | (Griseb.) Schltr. | Orchidaceae | 8 |
| Cyclopogon elatus | (Sw.) Schltr. | Orchidaceae | 8 |
| Cyclosorus interruptus | (Willd.) H.Itô | Thelypteridaceae | 8 |
| Cyclospermum leptophyllum | (Pers.) Sprague | Apiaceae | 8 |
| Cyperus aggregatus | (Willd.) Endl. | Cyperaceae | 8 |
| Cyperus articulatus | L. | Cyperaceae | 8 |
| Cyperus bipartitus | Torr. | Cyperaceae | 8 |
| Cyperus blepharoleptos | Steud. | Cyperaceae | 8 |
| Cyperus brevifolius | (Rottb.) Hassk. | Cyperaceae | 8 |
| Cyperus compressus | L. | Cyperaceae | 8 |
| Cyperus croceus | Vahl | Cyperaceae | 8 |
| Cyperus cuspidatus | Kunth | Cyperaceae | 8 |
| Cyperus distans | L.f. | Cyperaceae | 8 |
| Cyperus esculentus | L. | Cyperaceae | 8 |
| Cyperus flavescens | L. | Cyperaceae | 8 |
| Cyperus giganteus | Vahl | Cyperaceae | 8 |
| Cyperus haspan | L. | Cyperaceae | 8 |
| Cyperus hermaphroditus | (Jacq.) Standl. | Cyperaceae | 8 |
| Cyperus imbricatus | Retz. | Cyperaceae | 8 |
| Cyperus lanceolatus | Poir. | Cyperaceae | 8 |
| Cyperus ligularis | L. | Cyperaceae | 8 |
| Cyperus luzulae | (L.) Retz. | Cyperaceae | 8 |
| Cyperus manimae | Kunth | Cyperaceae | 8 |
| Cyperus melanostachyus | Kunth | Cyperaceae | 8 |
| Cyperus ochraceus | Vahl | Cyperaceae | 8 |
| Cyperus odoratus | L. | Cyperaceae | 8 |
| Cyperus oxylepis | Nees ex Steud. | Cyperaceae | 8 |
| Cyperus pedunculatus | (R.Br.) J.Kern | Cyperaceae | 8 |
| Cyperus planifolius | Rich. | Cyperaceae | 8 |
| Cyperus polystachyos | Rottb. | Cyperaceae | 8 |
| Cyperus prolixus | Kunth | Cyperaceae | 8 |
| Cyperus seslerioides | Kunth | Cyperaceae | 8 |
| Cyperus sesquiflorus | (Torr.) Mattf. & Kük. | Cyperaceae | 8 |
| Cyperus sphacelatus | Rottb. | Cyperaceae | 8 |
| Cyperus subsquarrosus | (Muhl.) Bauters | Cyperaceae | 8 |
| Cyperus surinamensis | Rottb. | Cyperaceae | 8 |
| Cyperus svensonii | G.C.Tucker | Cyperaceae | 8 |
| Cyperus thyrsiflorus | Jungh. | Cyperaceae | 8 |
| Cyperus virens | Michx. | Cyperaceae | 8 |
| Cyrilla racemiflora | L. | Cyrillaceae | 8 |
| Cyrtocymura scorpioides | (Lam.) H.Rob. | Asteraceae | 8 |
| Cyrtopodium macrobulbon | (Lex.) G.A.Romero & Carnevali | Orchidaceae | 8 |
| Cystopteris fragilis | (L.) Bernh. | Cystopteridaceae | 8 |
| Dahlia imperialis | Roezl ex Ortgies | Asteraceae | 8 |
| Dalbergia ecastaphyllum | (L.) Taub. | Fabaceae | 8 |
| Dalea foliolosa | (Aiton) Barneby | Fabaceae | 8 |
| Dalea lutea | (Cav.) Willd. | Fabaceae | 8 |
| Dalea obovatifolia | Ortega | Fabaceae | 8 |
| Dalea sericea | Lag. | Fabaceae | 8 |
| Dalechampia scandens | L. | Euphorbiaceae | 8 |
| Damburneya coriacea | (Sw.) Trofimov & Rohwer | Lauraceae | 8 |
| Damburneya salicifolia | (Kunth) Trofimov & Rohwer | Lauraceae | 8 |
| Daphnopsis malacophylla | Standl. & Steyerm. | Thymelaeaceae | 8 |
| Datura discolor | Bernh. | Solanaceae | 8 |
| Davilla kunthii | A.St.-Hil. | Dilleniaceae | 8 |
| Deamia testudo | (Karw. ex Zucc.) Britton & Rose | Cactaceae | 8 |
| Delilia biflora | Kuntze | Asteraceae | 8 |
| Deppea grandiflora | Schltdl. | Rubiaceae | 8 |
| Desmanthus virgatus | (L.) Willd. | Fabaceae | 8 |
| Desmodium ciliare | (Muhl. ex Willd.) DC. | Fabaceae | 8 |
| Desmodium incanum | (Sw.) DC. | Fabaceae | 8 |
| Desmodium infractum | DC. | Fabaceae | 8 |
| Desmodium intortum | (Mill.) Urb. | Fabaceae | 8 |
| Desmodium molliculum | (Kunth) DC. | Fabaceae | 8 |
| Desmodium pringlei | S.Watson | Fabaceae | 8 |
| Desmodium procumbens | (Mill.) C.L.Hitchc. | Fabaceae | 8 |
| Desmodium scorpiurus | (Sw.) Poir. | Fabaceae | 8 |
| Desmodium tortuosum | (Sw.) DC. | Fabaceae | 8 |
| Desmodium uncinatum | (Jacq.) DC. | Fabaceae | 8 |
| Dianthera breviflora | (Nees) Hemsl. | Acanthaceae | 8 |
| Dianthera comata | L. | Acanthaceae | 8 |
| Diastatea micrantha | (Kunth) McVaugh | Campanulaceae | 8 |
| Dichaea glauca | (Sw.) Lindl. | Orchidaceae | 8 |
| Dichaea muricatoides | Hamer & Garay | Orchidaceae | 8 |
| Dichaea neglecta | Schltr. | Orchidaceae | 8 |
| Dichanthelium aciculare | (Desv.) Gould & C.A.Clark | Poaceae | 8 |
| Dichanthelium acuminatum | (Sw.) Gould & C.A.Clark | Poaceae | 8 |
| Dichanthelium commutatum | (Schult.) Gould | Poaceae | 8 |
| Dichanthelium dichotomum | (L.) Gould | Poaceae | 8 |
| Dichanthelium ensifolium | (Baldwin ex Elliott) Gould | Poaceae | 8 |
| Dichanthelium erectifolium | (Nash) Gould & C.A.Clark | Poaceae | 8 |
| Dichanthelium laxiflorum | (Lam.) Gould | Poaceae | 8 |
| Dichanthelium leucothrix | (Nash) Freckmann | Poaceae | 8 |
| Dichanthelium longiligulatum | (Nash) Freckmann | Poaceae | 8 |
| Dichanthelium ovale | (Elliott) Gould & C.A.Clark | Poaceae | 8 |
| Dichanthelium portoricense | (Desv.) B.F.Hansen & Wunderlin | Poaceae | 8 |
| Dichanthelium sphaerocarpon | (Elliott) Gould | Poaceae | 8 |
| Dichondra sericea | Sw. | Convolvulaceae | 8 |
| Dichorisandra hexandra | (Aubl.) Standl. | Commelinaceae | 8 |
| Dichromanthus aurantiacus | (La Llave & Lex.) Salazar & Soto Arenas | Orchidaceae | 8 |
| Dichromanthus michuacanus | (La Llave & Lex.) Salazar & Soto Arenas | Orchidaceae | 8 |
| Dicliptera sexangularis | (L.) Juss. | Acanthaceae | 8 |
| Didymoglossum godmanii | (Hook. ex Baker) Ebihara & Dubuisson | Hymenophyllaceae | 8 |
| Didymopanax morototoni | (Aubl.) Decne. & Planch. | Araliaceae | 8 |
| Dieffenbachia wendlandii | Schott | Araceae | 8 |
| Digitaria filiformis | (L.) Koeler | Poaceae | 8 |
| Digitaria insularis | (L.) Mez ex Ekman | Poaceae | 8 |
| Dimerocostus strobilaceus | Kuntze | Costaceae | 8 |
| Dinema polybulbon | (Sw.) Lindl. | Orchidaceae | 8 |
| Dioclea virgata | (Rich.) Amshoff | Fabaceae | 8 |
| Dioscorea cyanisticta | J.D.Sm. | Dioscoreaceae | 8 |
| Dioscorea densiflora | Hemsl. | Dioscoreaceae | 8 |
| Dioscorea floribunda | M.Martens & Galeotti | Dioscoreaceae | 8 |
| Dioscorea mexicana | Scheidw. | Dioscoreaceae | 8 |
| Dioscorea spiculiflora | Hemsl. | Dioscoreaceae | 8 |
| Diospyros acapulcensis | Kunth | Ebenaceae | 8 |
| Diospyros nigra | (J.F.Gmel.) Perr. & Perr. | Ebenaceae | 8 |
| Diphasiastrum thyoides | (Willd.) Holub | Lycopodiaceae | 8 |
| Diphysa americana | (Mill.) M.Sousa | Fabaceae | 8 |
| Diplachne fusca | (L.) P.Beauv. | Poaceae | 8 |
| Disakisperma dubium | (Kunth) P.M.Peterson & N.Snow | Poaceae | 8 |
| Disocactus crenatus | (Lindl.) M.A.Cruz & S.Arias | Cactaceae | 8 |
| Disterigma humboldtii | (Klotzsch) Nied. | Ericaceae | 8 |
| Distimake dissectus | (Jacq.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Distimake quinquefolius | (L.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Distimake tuberosus | (L.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Dodonaea viscosa | Jacq. | Sapindaceae | 8 |
| Dolichandra quadrivalvis | (Jacq.) L.G.Lohmann | Bignoniaceae | 8 |
| Dolichandra unguis-cati | (L.) L.G.Lohmann | Bignoniaceae | 8 |
| Domingoa purpurea | (Lindl.) Van den Berg & Soto Arenas | Orchidaceae | 8 |
| Dorstenia contrajerva | L. | Moraceae | 8 |
| Dorstenia drakena | L. | Moraceae | 8 |
| Doryopteris concolor | (Langsd. & Fisch.) Kuhn & Decken | Pteridaceae | 8 |
| Drimys granadensis | L.f. | Winteraceae | 8 |
| Drosera capillaris | Poir. | Droseraceae | 8 |
| Drymaria glandulosa | Bartl. | Caryophyllaceae | 8 |
| Drymaria villosa | Cham. & Schltdl. | Caryophyllaceae | 8 |
| Drymonia serrulata | (Jacq.) Mart. | Gesneriaceae | 8 |
| Dryopteris wallichiana | (Spreng.) Hyl. | Dryopteridaceae | 8 |
| Drypetes lateriflora | (Sw.) Krug & Urb. | Putranjivaceae | 8 |
| Duranta erecta | L. | Verbenaceae | 8 |
| Dyschoriste capitata | (Oerst.) Kuntze | Acanthaceae | 8 |
| Dysphania ambrosioides | (L.) Mosyakin & Clemants | Chenopodiaceae | 8 |
| Echeandia formosa | (Weath.) Cruden | Asparagaceae | 8 |
| Echeandia skinneri | (Baker) Cruden | Asparagaceae | 8 |
| Echinochloa walteri | (Pursh) A.Heller | Poaceae | 8 |
| Echinopepon wrightii | (A.Gray) S.Watson | Cucurbitaceae | 8 |
| Echites panduratus | A.DC. | Apocynaceae | 8 |
| Echites umbellatus | Jacq. | Apocynaceae | 8 |
| Eclipta prostrata | (L.) L. | Asteraceae | 8 |
| Ehretia latifolia | Loisel. | Ehretiaceae | 8 |
| Ehretia tinifolia | L. | Ehretiaceae | 8 |
| Elaeis oleifera | (Kunth) Cortés | Arecaceae | 8 |
| Elaeodendron xylocarpum | (Vent.) DC. | Celastraceae | 8 |
| Elaphoglossum paleaceum | (Hook. & Grev.) Sledge | Dryopteridaceae | 8 |
| Elaphoglossum peltatum | (Sw.) Urb. | Dryopteridaceae | 8 |
| Elasis guatemalensis | (C.B.Clarke ex Donn.Sm.) M.Pell. | Commelinaceae | 8 |
| Electranthera mutica | (DC.) Mesfin, D.J.Crawford & Pruski | Asteraceae | 8 |
| Eleocharis acicularis | (L.) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis cellulosa | Torr. | Cyperaceae | 8 |
| Eleocharis elegans | (Kunth) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis elongata | Chapm. | Cyperaceae | 8 |
| Eleocharis geniculata | (L.) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis interstincta | (Vahl) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis montana | (Kunth) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis montevidensis | Kunth | Cyperaceae | 8 |
| Eleocharis parvula | (Roem. & Schult.) Link ex Bluff, Nees & Schauer | Cyperaceae | 8 |
| Elephantopus mollis | Kunth | Asteraceae | 8 |
| Elleanthus aurantiacus | (Lindl.) Rchb.f. | Orchidaceae | 8 |
| Elleanthus capitatus | (Poepp. & Endl.) Rchb.f. | Orchidaceae | 8 |
| Elytraria imbricata | (Vahl) Pers. | Acanthaceae | 8 |
| Emilia fosbergii | Nicolson | Asteraceae | 8 |
| Encyclia alata | (Bateman) Schltr. | Orchidaceae | 8 |
| Encyclia cordigera | (Kunth) Dressler | Orchidaceae | 8 |
| Entada gigas | (L.) Fawc. & Rendle | Fabaceae | 8 |
| Enterolobium cyclocarpum | (Jacq.) Griseb. | Fabaceae | 8 |
| Epidendrum cardiophorum | Schltr. | Orchidaceae | 8 |
| Epidendrum centropetalum | Rchb.f. | Orchidaceae | 8 |
| Epidendrum ciliare | L. | Orchidaceae | 8 |
| Epidendrum flexuosum | G.Mey. | Orchidaceae | 8 |
| Epidendrum lacustre | Lindl. | Orchidaceae | 8 |
| Epidendrum laucheanum | Bonhof ex Rolfe | Orchidaceae | 8 |
| Epidendrum nocturnum | Jacq. | Orchidaceae | 8 |
| Epidendrum radicans | Pav. ex Lindl. | Orchidaceae | 8 |
| Epidendrum ramosum | Jacq. | Orchidaceae | 8 |
| Epidendrum rigidum | Jacq. | Orchidaceae | 8 |
| Epidendrum stamfordianum | Bateman | Orchidaceae | 8 |
| Epiphyllum oxypetalum | (DC.) Haw. | Cactaceae | 8 |
| Episcia lilacina | Hanst. | Gesneriaceae | 8 |
| Equisetum giganteum | L. | Equisetaceae | 8 |
| Equisetum myriochaetum | Schltdl. & Cham. | Equisetaceae | 8 |
| Eragrostis elliottii | (Elliott) S.Watson | Poaceae | 8 |
| Eragrostis hypnoides | (Lam.) Britton, Sterns & Poggenb. | Poaceae | 8 |
| Eragrostis intermedia | Hitchc. | Poaceae | 8 |
| Eragrostis pectinacea | (Michx.) Nees | Poaceae | 8 |
| Erblichia odorata | Seem. | Passifloraceae | 8 |
| Erechtites hieraciifolius | (L.) Raf. ex DC. | Asteraceae | 8 |
| Eremosis leiocarpa | (DC.) Gleason | Asteraceae | 8 |
| Eremosis triflosculosa | (Kunth) Gleason | Asteraceae | 8 |
| Erigeron canadensis | L. | Asteraceae | 8 |
| Erigeron floribundus | (Kunth) Sch.Bip. | Asteraceae | 8 |
| Erigeron karvinskianus | DC. | Asteraceae | 8 |
| Erigeron longipes | DC. | Asteraceae | 8 |
| Erigeron primulifolium | Juss. ex Cass. | Asteraceae | 8 |
| Erigeron sumatrensis | Retz. | Asteraceae | 8 |
| Erigeron variifolius | S.F.Blake | Asteraceae | 8 |
| Eriocaulon decangulare | L. | Eriocaulaceae | 8 |
| Erithalis fruticosa | L. | Rubiaceae | 8 |
| Erycina crista-galli | (Rchb.f.) N.H.Williams & M.W.Chase | Orchidaceae | 8 |
| Erycina pumilio | (Rchb.f.) N.H.Williams & M.W.Chase | Orchidaceae | 8 |
| Eryngium carlinae | F.Delaroche | Apiaceae | 8 |
| Eryngium ebracteatum | Lam. | Apiaceae | 8 |
| Eryngium foetidum | L. | Apiaceae | 8 |
| Eryngium nasturtiifolium | F.Delaroche | Apiaceae | 8 |
| Erythrina berteroana | Urb. | Fabaceae | 8 |
| Erythrina fusca | Lour. | Fabaceae | 8 |
| Erythrina gibbosa | Cufod. | Fabaceae | 8 |
| Erythroxylum areolatum | L. | Erythroxylaceae | 8 |
| Erythroxylum guatemalense | Lundell | Erythroxylaceae | 8 |
| Erythroxylum havanense | Jacq. | Erythroxylaceae | 8 |
| Erythroxylum rotundifolium | Lunan | Erythroxylaceae | 8 |
| Eugenia acapulcensis | Steud. | Myrtaceae | 8 |
| Eugenia axillaris | (Sw.) Willd. | Myrtaceae | 8 |
| Eugenia capuli | (Schltdl. & Cham.) Hook. & Arn. | Myrtaceae | 8 |
| Eugenia capulioides | Lundell | Myrtaceae | 8 |
| Eugenia choapamensis | Standl. | Myrtaceae | 8 |
| Eugenia hiraeifolia | Standl. | Myrtaceae | 8 |
| Eulophia alta | (L.) Fawc. & Rendle | Orchidaceae | 8 |
| Eumachia microdon | (DC.) Delprete & J.H.Kirkbr. | Rubiaceae | 8 |
| Euphorbia anychioides | Boiss. | Euphorbiaceae | 8 |
| Euphorbia blodgettii | Engelm. | Euphorbiaceae | 8 |
| Euphorbia bombensis | Jacq. | Euphorbiaceae | 8 |
| Euphorbia colletioides | Benth. | Euphorbiaceae | 8 |
| Euphorbia cotinifolia | L. | Euphorbiaceae | 8 |
| Euphorbia dioeca | Kunth | Euphorbiaceae | 8 |
| Euphorbia graminea | Jacq. | Euphorbiaceae | 8 |
| Euphorbia heterophylla | L. | Euphorbiaceae | 8 |
| Euphorbia hirta | L. | Euphorbiaceae | 8 |
| Euphorbia hypericifolia | L. | Euphorbiaceae | 8 |
| Euphorbia hyssopifolia | L. | Euphorbiaceae | 8 |
| Euphorbia lasiocarpa | Klotzsch | Euphorbiaceae | 8 |
| Euphorbia leucocephala | Lotsy | Euphorbiaceae | 8 |
| Euphorbia macropus | (Klotzsch & Garcke) Boiss. | Euphorbiaceae | 8 |
| Euphorbia mesembryanthemifolia | Jacq. | Euphorbiaceae | 8 |
| Euphorbia nutans | Lag. | Euphorbiaceae | 8 |
| Euphorbia ophthalmica | Pers. | Euphorbiaceae | 8 |
| Euphorbia prostrata | Aiton | Euphorbiaceae | 8 |
| Euphorbia schiedeana | (Klotzsch & Garcke) Mayfield ex C.Nelson | Euphorbiaceae | 8 |
| Euphorbia schlechtendalii | Boiss. | Euphorbiaceae | 8 |
| Euphorbia segoviensis | Boiss. | Euphorbiaceae | 8 |
| Euphorbia serpens | Kunth | Euphorbiaceae | 8 |
| Euphorbia thymifolia | L. | Euphorbiaceae | 8 |
| Euphorbia tithymaloides | L. | Euphorbiaceae | 8 |
| Euphorbia villifera | Scheele | Euphorbiaceae | 8 |
| Euploca procumbens | (Mill.) Diane & Hilger | Heliotropiaceae | 8 |
| Eustachys petraea | (Sw.) Desv. | Poaceae | 8 |
| Euterpe precatoria | Mart. | Arecaceae | 8 |
| Evolvulus nummularius | (L.) L. | Convolvulaceae | 8 |
| Exostema caribaeum | (Jacq.) Schult. | Rubiaceae | 8 |
| Exothea paniculata | Radlk. | Sapindaceae | 8 |
| Faramea occidentalis | (L.) A.Rich. | Rubiaceae | 8 |
| Ficus americana | Aubl. | Moraceae | 8 |
| Ficus aurea | Nutt. | Moraceae | 8 |
| Ficus citrifolia | Mill. | Moraceae | 8 |
| Ficus colubrinae | Standl. | Moraceae | 8 |
| Ficus costaricana | (Liebm.) Miq. | Moraceae | 8 |
| Ficus cotinifolia | Kunth | Moraceae | 8 |
| Ficus crocata | Mart. ex Miq. | Moraceae | 8 |
| Ficus insipida | Willd. | Moraceae | 8 |
| Ficus maxima | Mill. | Moraceae | 8 |
| Ficus obtusifolia | Kunth | Moraceae | 8 |
| Ficus pertusa | L.f. | Moraceae | 8 |
| Fimbristylis autumnalis | (L.) Roem. & Schult. | Cyperaceae | 8 |
| Fimbristylis complanata | (Retz.) Link | Cyperaceae | 8 |
| Fimbristylis cymosa | R.Br. | Cyperaceae | 8 |
| Fimbristylis dichotoma | (L.) Vahl | Cyperaceae | 8 |
| Fimbristylis littoralis | Gaudich. | Cyperaceae | 8 |
| Fimbristylis spadicea | (L.) Vahl | Cyperaceae | 8 |
| Fleischmannia pycnocephala | (Less.) R.M.King & H.Rob. | Asteraceae | 8 |
| Fleischmanniopsis leucocephala | (Benth.) R.M.King & H.Rob. | Asteraceae | 8 |
| Forestiera rhamnifolia | Griseb. | Oleaceae | 8 |
| Frangula capreifolia | (Schltdl.) Grubov | Rhamnaceae | 8 |
| Frangula sphaerosperma | (Sw.) Kartesz & Gandhi | Rhamnaceae | 8 |
| Fraxinus uhdei | (Wenz.) Lingelsh. | Oleaceae | 8 |
| Fridericia chica | (Bonpl.) L.G.Lohmann | Bignoniaceae | 8 |
| Fridericia floribunda | (Kunth) L.G.Lohmann | Bignoniaceae | 8 |
| Fuchsia microphylla | Kunth | Onagraceae | 8 |
| Fuchsia paniculata | Lindl. | Onagraceae | 8 |
| Fuchsia splendens | Zucc. | Onagraceae | 8 |
| Fuirena scirpoidea | Michx. | Cyperaceae | 8 |
| Fuirena simplex | Vahl | Cyperaceae | 8 |
| Fuirena umbellata | Rottb. | Cyperaceae | 8 |
| Funastrum clausum | (Jacq.) Schltr. | Apocynaceae | 8 |
| Furcraea cabuya | Trel. | Asparagaceae | 8 |
| Furcraea guatemalensis | Trel. | Asparagaceae | 8 |
| Gaga kaulfussii | (Kunze) Fay W.Li & Windham | Pteridaceae | 8 |
| Galactia striata | (Jacq.) Urb. | Fabaceae | 8 |
| Galianthe brasiliensis | (Spreng.) E.L.Cabral & Bacigalupo | Rubiaceae | 8 |
| Galinsoga quadriradiata | Ruiz & Pav. | Asteraceae | 8 |
| Galium hypocarpium | (L.) Endl. ex Griseb. | Rubiaceae | 8 |
| Galium mexicanum | Kunth | Rubiaceae | 8 |
| Galphimia speciosa | C.E.Anderson | Malpighiaceae | 8 |
| Gamochaeta americana | (Mill.) Wedd. | Asteraceae | 8 |
| Gamochaeta pensylvanica | (Willd.) Cabrera | Asteraceae | 8 |
| Gamochaeta purpurea | (L.) Cabrera | Asteraceae | 8 |
| Garcinia madruno | (Kunth) Hammel | Clusiaceae | 8 |
| Gaultheria acuminata | Schltdl. & Cham. | Ericaceae | 8 |
| Gaultheria erecta | Vent. | Ericaceae | 8 |
| Gaultheria myrsinoides | Kunth | Ericaceae | 8 |
| Gelsemium sempervirens | (L.) J.St.-Hil. | Gelsemiaceae | 8 |
| Genipa americana | L. | Rubiaceae | 8 |
| Geonoma undata | Klotzsch | Arecaceae | 8 |
| Geophila macropoda | (Ruiz & Pav.) DC. | Rubiaceae | 8 |
| Geophila repens | (L.) I.M.Johnst. | Rubiaceae | 8 |
| Geranium seemannii | Peyr. | Geraniaceae | 8 |
| Gibasis geniculata | (Jacq.) Rohweder | Commelinaceae | 8 |
| Gleichenella pectinata | (Willd.) Ching | Gleicheniaceae | 8 |
| Glinus radiatus | (Ruiz & Pav.) Rohrb. | Molluginaceae | 8 |
| Gliricidia sepium | (Jacq.) Kunth | Fabaceae | 8 |
| Glossoloma tetragonum | Hanst. | Gesneriaceae | 8 |
| Goeppertia macrosepala | (K.Schum.) Borchs. & S.Suárez | Marantaceae | 8 |
| Goeppertia marantifolia | (Standl.) Borchs. & S.Suárez | Marantaceae | 8 |
| Goeppertia micans | (L.Mathieu) Borchs. & S.Suárez | Marantaceae | 8 |
| Goeppertia warszewiczii | (Lem.) Borchs. & S.Suárez | Marantaceae | 8 |
| Gomphrena elegans | Mart. | Amaranthaceae | 8 |
| Gomphrena globosa | L. | Amaranthaceae | 8 |
| Gomphrena serrata | L. | Amaranthaceae | 8 |
| Gomphrena vermicularis | L. | Amaranthaceae | 8 |
| Gongora truncata | Lindl. | Orchidaceae | 8 |
| Gonolobus barbatus | Kunth | Apocynaceae | 8 |
| Gonolobus cteniophorus | (S.F.Blake) Woodson | Apocynaceae | 8 |
| Gonolobus erianthus | Decne. | Apocynaceae | 8 |
| Gonolobus incerianus | W.D.Stevens & Montiel | Apocynaceae | 8 |
| Gonolobus stenosepalus | (Donn.Sm.) Woodson | Apocynaceae | 8 |
| Gonolobus uniflorus | Kunth | Apocynaceae | 8 |
| Goodyera striata | Rchb.f. | Orchidaceae | 8 |
| Gossypium hirsutum | L. | Malvaceae | 8 |
| Gouania lupuloides | (L.) Urb. | Rhamnaceae | 8 |
| Govenia liliacea | (Lex.) Lindl. | Orchidaceae | 8 |
| Govenia matudae | E.W.Greenw. & Soto Arenas | Orchidaceae | 8 |
| Govenia superba | (Lex.) Lindl. | Orchidaceae | 8 |
| Grona triflora | (L.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Gronovia scandens | L. | Loasaceae | 8 |
| Guadua longifolia | (E.Fourn.) R.W.Pohl | Poaceae | 8 |
| Guadua paniculata | Munro | Poaceae | 8 |
| Guaiacum sanctum | L. | Zygophyllaceae | 8 |
| Guarea guidonia | (L.) Sleumer | Meliaceae | 8 |
| Guarianthe aurantiaca | (Bateman ex Lindl.) Dressler & W.E.Higgins | Orchidaceae | 8 |
| Guatteria amplifolia | Triana & Planch. | Annonaceae | 8 |
| Guazuma ulmifolia | Lam. | Malvaceae | 8 |
| Guilandina bonduc | L. | Fabaceae | 8 |
| Gurania makoyana | (Lem.) Cogn. | Cucurbitaceae | 8 |
| Guzmania lingulata | (L.) Mez | Bromeliaceae | 8 |
| Guzmania monostachia | (L.) Rusby ex Mez | Bromeliaceae | 8 |
| Guzmania nicaraguensis | Mez & C.F.Baker | Bromeliaceae | 8 |
| Gyminda tonduzii | Loes. | Celastraceae | 8 |
| Gymnanthes lucida | Sw. | Euphorbiaceae | 8 |
| Gymnosiphon suaveolens | (H.Karst.) Urb. | Burmanniaceae | 8 |
| Gynerium sagittatum | (Aubl.) P.Beauv. | Poaceae | 8 |
| Gyrocarpus americanus | Jacq. | Hernandiaceae | 8 |
| Gyrocarpus jatrophifolius | Domin | Hernandiaceae | 8 |
| Habenaria eustachya | Rchb.f. | Orchidaceae | 8 |
| Habenaria floribunda | Lindl. | Orchidaceae | 8 |
| Habenaria macroceratitis | Willd. | Orchidaceae | 8 |
| Habenaria quinqueseta | (Michx.) Eaton | Orchidaceae | 8 |
| Habenaria repens | Nutt. | Orchidaceae | 8 |
| Habenaria trifida | Kunth | Orchidaceae | 8 |
| Haematoxylum brasiletto | H.Karst. | Fabaceae | 8 |
| Haematoxylum campechianum | L. | Fabaceae | 8 |
| Hamelia patens | Jacq. | Rubiaceae | 8 |
| Hampea appendiculata | (Donn.Sm.) Standl. | Malvaceae | 8 |
| Handroanthus chrysanthus | (Jacq.) S.O.Grose | Bignoniaceae | 8 |
| Handroanthus guayacan | (Seem.) S.O.Grose | Bignoniaceae | 8 |
| Handroanthus impetiginosus | (Mart. ex DC.) Mattos | Bignoniaceae | 8 |
| Handroanthus ochraceus | (Cham.) Mattos | Bignoniaceae | 8 |
| Hauya elegans | Moc. & Sessé ex DC. | Onagraceae | 8 |
| Hedyosmum mexicanum | C.Cordem. | Chloranthaceae | 8 |
| Helanthium bolivianum | (Rusby) Lehtonen & Myllys | Alismataceae | 8 |
| Helenium mexicanum | Kunth | Asteraceae | 8 |
| Heliconia aurantiaca | Verschaff. | Heliconiaceae | 8 |
| Heliconia collinsiana | Griggs | Heliconiaceae | 8 |
| Heliconia hirsuta | L.f. | Heliconiaceae | 8 |
| Heliconia latispatha | Benth. | Heliconiaceae | 8 |
| Heliconia mariae | Hook.f. | Heliconiaceae | 8 |
| Heliconia mathiasiae | G.S.Daniels & F.G.Stiles | Heliconiaceae | 8 |
| Heliconia metallica | Planch. & Lind. ex Hook. | Heliconiaceae | 8 |
| Heliconia pogonantha | Cufod. | Heliconiaceae | 8 |
| Heliconia tortuosa | Griggs | Heliconiaceae | 8 |
| Heliconia wagneriana | Petersen | Heliconiaceae | 8 |
| Helicteres baruensis | Jacq. | Malvaceae | 8 |
| Helicteres guazumifolia | Kunth | Malvaceae | 8 |
| Heliocarpus americanus | L. | Malvaceae | 8 |
| Heliopsis buphthalmoides | Dunal | Asteraceae | 8 |
| Heliotropium angiospermum | Murray | Heliotropiaceae | 8 |
| Heliotropium curassavicum | L. | Heliotropiaceae | 8 |
| Heliotropium rufipilum | (Benth.) I.M.Johnst. | Heliotropiaceae | 8 |
| Heliotropium verdcourtii | Craven | Heliotropiaceae | 8 |
| Helosis cayennensis | (Sw.) Spreng. | Balanophoraceae | 8 |
| Hemionitis palmata | L. | Pteridaceae | 8 |
| Henriettea succosa | DC. | Melastomataceae | 8 |
| Henrya insularis | Nees | Acanthaceae | 8 |
| Herissantia crispa | (L.) Brizicky | Malvaceae | 8 |
| Hesperocyparis lusitanica | (Mill.) Bartel | Cupressaceae | 8 |
| Heteranthera limosa | (Sw.) Willd. | Pontederiaceae | 8 |
| Heteranthera reniformis | Ruiz & Pav. | Pontederiaceae | 8 |
| Heterocentron elegans | (Schltdl.) Kuntze | Melastomataceae | 8 |
| Heterocentron glandulosum | Schrenk | Melastomataceae | 8 |
| Heterocentron subtriplinervium | (Link & Otto) A.Braun & C.D.Bouché | Melastomataceae | 8 |
| Heteropogon contortus | (L.) P.Beauv. ex Roem. & Schult. | Poaceae | 8 |
| Heteropterys brachiata | (L.) DC. | Malpighiaceae | 8 |
| Heterosperma pinnatum | Cav. | Asteraceae | 8 |
| Hexasepalum teres | (Walter) J.H.Kirkbr. | Rubiaceae | 8 |
| Hibiscus phoeniceus | Jacq. | Malvaceae | 8 |
| Hibiscus striatus | Cav. | Malvaceae | 8 |
| Hibiscus tiliaceus | L. | Malvaceae | 8 |
| Hieracium abscissum | Less. | Asteraceae | 8 |
| Hieracium gronovii | L. | Asteraceae | 8 |
| Hippocratea volubilis | L. | Celastraceae | 8 |
| Hippomane mancinella | L. | Euphorbiaceae | 8 |
| Hiraea reclinata | Jacq. | Malpighiaceae | 8 |
| Hirtella racemosa | Lam. | Chrysobalanaceae | 8 |
| Histiopteris incisa | (Thunb.) J.Sm. | Dennstaedtiaceae | 8 |
| Hoffmannia excelsa | (Kunth) K.Schum. | Rubiaceae | 8 |
| Hura crepitans | L. | Euphorbiaceae | 8 |
| Hura polyandra | Baill. | Euphorbiaceae | 8 |
| Hydrocotyle bonariensis | Comm. ex Lam. | Araliaceae | 8 |
| Hydrocotyle bowlesioides | Mathias & Constance | Araliaceae | 8 |
| Hydrocotyle leucocephala | Cham. & Schltdl. | Araliaceae | 8 |
| Hydrocotyle mexicana | Schltdl. & Cham. | Araliaceae | 8 |
| Hydrocotyle umbellata | L. | Araliaceae | 8 |
| Hydrolea spinosa | L. | Hydroleaceae | 8 |
| Hymenachne amplexicaulis | (Rudge) Nees | Poaceae | 8 |
| Hymenaea courbaril | L. | Fabaceae | 8 |
| Hymenostephium cordatum | S.F.Blake | Asteraceae | 8 |
| Hyperbaena mexicana | Miers | Menispermaceae | 8 |
| Hypericum gymnanthum | Engelm. & A.Gray | Hypericaceae | 8 |
| Hypericum hypericoides | (L.) Crantz | Hypericaceae | 8 |
| Hypericum silenoides | Juss. | Hypericaceae | 8 |
| Hypopitys monotropa | Crantz | Ericaceae | 8 |
| Hypoxis decumbens | L. | Hypoxidaceae | 8 |
| Hyptis brevipes | Poit. | Lamiaceae | 8 |
| Hyptis capitata | Jacq. | Lamiaceae | 8 |
| Ichnanthus pallens | (Sw.) Munro ex Benth. | Poaceae | 8 |
| Indigofera suffruticosa | Mill. | Fabaceae | 8 |
| Inga laurina | (Sw.) Willd. | Fabaceae | 8 |
| Inga oerstediana | Benth. | Fabaceae | 8 |
| Inga punctata | Willd. | Fabaceae | 8 |
| Inga vera | Willd. | Fabaceae | 8 |
| Iochroma arborescens | (L.) J.M.H.Shaw | Solanaceae | 8 |
| Ionopsis utricularioides | (Sw.) Lindl. | Orchidaceae | 8 |
| Ipomoea alba | L. | Convolvulaceae | 8 |
| Ipomoea anisomeres | B.L.Rob. & Bartlett | Convolvulaceae | 8 |
| Ipomoea aristolochiifolia | G.Don | Convolvulaceae | 8 |
| Ipomoea asarifolia | (Desr.) Roem. & Schult. | Convolvulaceae | 8 |
| Ipomoea batatas | (L.) Lam. | Convolvulaceae | 8 |
| Ipomoea batatoides | Choisy | Convolvulaceae | 8 |
| Ipomoea bernoulliana | Peter | Convolvulaceae | 8 |
| Ipomoea capillacea | (Kunth) G.Don | Convolvulaceae | 8 |
| Ipomoea carnea | Jacq. | Convolvulaceae | 8 |
| Ipomoea cholulensis | Kunth | Convolvulaceae | 8 |
| Ipomoea corymbosa | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea dumosa | (Benth.) L.O.Williams | Convolvulaceae | 8 |
| Ipomoea hederifolia | L. | Convolvulaceae | 8 |
| Ipomoea imperati | (Vahl) Griseb. | Convolvulaceae | 8 |
| Ipomoea indica | (Burm.) Merr. | Convolvulaceae | 8 |
| Ipomoea jalapa | (L.) Pursh | Convolvulaceae | 8 |
| Ipomoea lindenii | M.Martens & Galeotti | Convolvulaceae | 8 |
| Ipomoea mairetii | Choisy | Convolvulaceae | 8 |
| Ipomoea mauritiana | Jacq. | Convolvulaceae | 8 |
| Ipomoea meyeri | (Spreng.) G.Don | Convolvulaceae | 8 |
| Ipomoea minutiflora | (M.Martens & Galeotti) House | Convolvulaceae | 8 |
| Ipomoea muricata | (L.) Jacq. | Convolvulaceae | 8 |
| Ipomoea neei | (Spreng.) O'Donell | Convolvulaceae | 8 |
| Ipomoea nil | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea orizabensis | (G.Pelletan) Ledeb. ex Steud. | Convolvulaceae | 8 |
| Ipomoea parasitica | (Kunth) G.Don | Convolvulaceae | 8 |
| Ipomoea pauciflora | M.Martens & Galeotti | Convolvulaceae | 8 |
| Ipomoea pedicellaris | Benth. | Convolvulaceae | 8 |
| Ipomoea pes-caprae | (L.) R.Br. | Convolvulaceae | 8 |
| Ipomoea populina | House | Convolvulaceae | 8 |
| Ipomoea quamoclit | L. | Convolvulaceae | 8 |
| Ipomoea seducta | House | Convolvulaceae | 8 |
| Ipomoea silvicola | House | Convolvulaceae | 8 |
| Ipomoea splendor-sylvae | House | Convolvulaceae | 8 |
| Ipomoea squamosa | Choisy | Convolvulaceae | 8 |
| Ipomoea steerei | (Standl.) L.O.Williams | Convolvulaceae | 8 |
| Ipomoea tiliacea | (Willd.) Choisy | Convolvulaceae | 8 |
| Ipomoea trifida | (Kunth) G.Don | Convolvulaceae | 8 |
| Ipomoea triloba | L. | Convolvulaceae | 8 |
| Ipomoea villifera | House | Convolvulaceae | 8 |
| Ipomoea wolcottiana | Rose | Convolvulaceae | 8 |
| Iresine calea | (Ibáñez) Standl. | Amaranthaceae | 8 |
| Iresine diffusa | Humb. & Bonpl. ex Willd. | Amaranthaceae | 8 |
| Isertia haenkeana | DC. | Rubiaceae | 8 |
| Isocarpha oppositifolia | (L.) Cass. | Asteraceae | 8 |
| Isochilus aurantiacus | Hamer & Garay | Orchidaceae | 8 |
| Isochilus latibracteatus | A.Rich. & Galeotti | Orchidaceae | 8 |
| Isochilus linearis | (Jacq.) R.Br. | Orchidaceae | 8 |
| Isochilus major | Schltdl. & Cham. | Orchidaceae | 8 |
| Jacaranda copaia | (Aubl.) D.Don | Bignoniaceae | 8 |
| Jacaratia mexicana | A.DC. | Caricaceae | 8 |
| Jacquemontia evolvuloides | Meisn. | Convolvulaceae | 8 |
| Jacquemontia nodiflora | (Desr.) G.Don | Convolvulaceae | 8 |
| Jacquemontia tamnifolia | (L.) Griseb. | Convolvulaceae | 8 |
| Jacquinia keyensis | Mez | Primulaceae | 8 |
| Jaegeria hirta | (Lag.) Less. | Asteraceae | 8 |
| Jaltomata procumbens | (Cav.) J.L.Gentry | Solanaceae | 8 |
| Jamesonia flexuosa | (Humb. & Bonpl.) Christenh. | Pteridaceae | 8 |
| Jatropha curcas | L. | Euphorbiaceae | 8 |
| Jatropha gossypiifolia | L. | Euphorbiaceae | 8 |
| Jatropha podagrica | Hook. | Euphorbiaceae | 8 |
| Jouvea pilosa | (J.Presl) Scribn. | Poaceae | 8 |
| Juanulloa mexicana | (Schltdl.) Miers | Solanaceae | 8 |
| Juncus acuminatus | Michx. | Juncaceae | 8 |
| Juncus biflorus | Elliott | Juncaceae | 8 |
| Juncus dichotomus | Elliott | Juncaceae | 8 |
| Juncus effusus | L. | Juncaceae | 8 |
| Juncus marginatus | Rostk. | Juncaceae | 8 |
| Juncus microcephalus | Kunth | Juncaceae | 8 |
| Justicia aurea | Schltdl. | Acanthaceae | 8 |
| Justicia brandegeeana | Wassh. & L.B.Sm. | Acanthaceae | 8 |
| Justicia macrantha | Benth. | Acanthaceae | 8 |
| Justicia spicigera | Schltdl. | Acanthaceae | 8 |
| Kallstroemia maxima | (L.) Hook. & Arn. | Zygophyllaceae | 8 |
| Kearnemalvastrum subtriflorum | (Lag.) D.M.Bates | Malvaceae | 8 |
| Kohleria spicata | (Kunth) Oerst. | Gesneriaceae | 8 |
| Kohleria tigridia | (Ohlend.) Roalson & Boggan | Gesneriaceae | 8 |
| Kohleria tubiflora | (Cav.) Hanst. | Gesneriaceae | 8 |
| Kosteletzkya depressa | (L.) O.J.Blanch., Fryxell & D.M.Bates | Malvaceae | 8 |
| Krameria ixine | L. | Krameriaceae | 8 |
| Krugiodendron ferreum | (Vahl) Urb. | Rhamnaceae | 8 |
| Lacistema aggregatum | (P.J.Bergius) Rusby | Lacistemataceae | 8 |
| Laelia anceps | Lindl. | Orchidaceae | 8 |
| Laelia rubescens | Lindl. | Orchidaceae | 8 |
| Laennecia sophiifolia | (Kunth) G.L.Nesom | Asteraceae | 8 |
| Lagascea helianthifolia | Kunth | Asteraceae | 8 |
| Lagascea mollis | Cav. | Asteraceae | 8 |
| Laguncularia racemosa | (L.) C.F.Gaertn. | Combretaceae | 8 |
| Lamourouxia barbata | (Bertol.) MacVean, Cristof., T.F.Daniel & Baldini | Orobanchaceae | 8 |
| Lamourouxia viscosa | Kunth | Orobanchaceae | 8 |
| Lantana achyranthifolia | Desf. | Verbenaceae | 8 |
| Lantana camara | L. | Verbenaceae | 8 |
| Lantana hirta | Graham | Verbenaceae | 8 |
| Lantana involucrata | L. | Verbenaceae | 8 |
| Lantana trifolia | L. | Verbenaceae | 8 |
| Lantana velutina | M.Martens & Galeotti | Verbenaceae | 8 |
| Laportea aestuans | (L.) Chew | Urticaceae | 8 |
| Lasiacis divaricata | (L.) Hitchc. | Poaceae | 8 |
| Lasiacis ruscifolia | (Kunth) Hitchc. ex Chase | Poaceae | 8 |
| Lasianthaea fruticosa | (L.) K.M.Becker | Asteraceae | 8 |
| Leersia hexandra | Sw. | Poaceae | 8 |
| Lemna aequinoctialis | Welw. | Araceae | 8 |
| Lemna minor | L. | Araceae | 8 |
| Leochilus oncidioides | Knowles & Westc. | Orchidaceae | 8 |
| Lepidagathis alopecuroidea | (Vahl) R.Br. ex Griseb. | Acanthaceae | 8 |
| Lepidaploa canescens | (Kunth) H.Rob. | Asteraceae | 8 |
| Lepidaploa polypleura | (S.F.Blake) H.Rob. | Asteraceae | 8 |
| Lepidium oblongum | Small | Brassicaceae | 8 |
| Lepidium virginicum | L. | Brassicaceae | 8 |
| Leptochloa panicea | (Retz.) Ohwi | Poaceae | 8 |
| Leptochloa panicoides | (J.Presl) Hitchc. | Poaceae | 8 |
| Leptospron adenanthum | (G.Mey.) A.Delgado | Fabaceae | 8 |
| Leucaena diversifolia | (Schltdl.) Benth. | Fabaceae | 8 |
| Leucaena leucocephala | (Lam.) de Wit | Fabaceae | 8 |
| Liabum asclepiadeum | Sch.Bip. | Asteraceae | 8 |
| Libidibia coriaria | (Jacq.) Schltdl. | Fabaceae | 8 |
| Licaria triandra | (Sw.) Kosterm. | Lauraceae | 8 |
| Limnocharis flava | (L.) Buchenau | Alismataceae | 8 |
| Limnocharis laforestii | Duchass. ex Griseb. | Alismataceae | 8 |
| Lindernia dubia | (L.) Pennell | Linderniaceae | 8 |
| Liparis nervosa | (Thunb.) Lindl. | Orchidaceae | 8 |
| Liparis vexillifera | (Lex.) Cogn. | Orchidaceae | 8 |
| Lippia alba | (Mill.) N.E.Br. ex Britton & P.Wilson | Verbenaceae | 8 |
| Lippia cardiostegia | Benth. | Verbenaceae | 8 |
| Lippia dulcis | Trevir. | Verbenaceae | 8 |
| Lippia myriocephala | Schltdl. & Cham. | Verbenaceae | 8 |
| Lippia stoechadifolia | (L.) Kunth | Verbenaceae | 8 |
| Lippia umbellata | Cav. | Verbenaceae | 8 |
| Liquidambar styraciflua | L. | Altingiaceae | 8 |
| Litsea glaucescens | Kunth | Lauraceae | 8 |
| Lobelia cardinalis | L. | Campanulaceae | 8 |
| Lobelia laxiflora | Kunth | Campanulaceae | 8 |
| Lobelia longicaulis | Brandegee | Campanulaceae | 8 |
| Lockhartia oerstedii | Rchb.f. | Orchidaceae | 8 |
| Loeselia ciliata | L. | Polemoniaceae | 8 |
| Loeselia coerulea | G.Don | Polemoniaceae | 8 |
| Loeselia glandulosa | (Cav.) G.Don | Polemoniaceae | 8 |
| Lomariopsis vestita | Fourn. | Lomariopsidaceae | 8 |
| Lonchocarpus parviflorus | Benth. | Fabaceae | 8 |
| Lonchocarpus rugosus | Benth. | Fabaceae | 8 |
| Lopezia racemosa | Cav. | Onagraceae | 8 |
| Lophosoria quadripinnata | (J.F.Gmel.) C.Chr. | Dicksoniaceae | 8 |
| Ludwigia adscendens | (L.) H.Hara | Onagraceae | 8 |
| Ludwigia decurrens | Walter | Onagraceae | 8 |
| Ludwigia erecta | (L.) H.Hara | Onagraceae | 8 |
| Ludwigia hyssopifolia | (G.Don) Exell | Onagraceae | 8 |
| Ludwigia leptocarpa | (Nutt.) H.Hara | Onagraceae | 8 |
| Ludwigia octovalvis | (Jacq.) P.H.Raven | Onagraceae | 8 |
| Ludwigia peploides | (Kunth) P.H.Raven | Onagraceae | 8 |
| Ludwigia peruviana | (L.) H.Hara | Onagraceae | 8 |
| Ludwigia sedioides | (Humb. & Bonpl.) H.Hara | Onagraceae | 8 |
| Luehea candida | (Moc. & Sessé ex DC.) Mart. | Malvaceae | 8 |
| Luehea speciosa | Willd. | Malvaceae | 8 |
| Lupinus clarkei | Oerst. | Fabaceae | 8 |
| Lupinus elegans | Kunth | Fabaceae | 8 |
| Lycaste cruenta | (Lindl.) Lindl. | Orchidaceae | 8 |
| Lycianthes scandens | (Mill.) M.Nee | Solanaceae | 8 |
| Lygodium heterodoxum | Kunze | Lygodiaceae | 8 |
| Lygodium venustum | Sw. | Lygodiaceae | 8 |
| Lysiloma acapulcense | (Kunth) Benth. | Fabaceae | 8 |
| Lysiloma auritum | (Schltdl.) Benth. | Fabaceae | 8 |
| Lysiloma divaricatum | (Jacq.) J.F.Macbr. | Fabaceae | 8 |
| Lysimachia minima | (L.) U.Manns & Anderb. | Primulaceae | 8 |
| Lysimachia ovalis | (Ruiz & Pav.) U.Manns & Anderb. | Primulaceae | 8 |
| Mabea occidentalis | Benth. | Euphorbiaceae | 8 |
| Machaerium biovulatum | Micheli | Fabaceae | 8 |
| Machaerium kegelii | Meisn. | Fabaceae | 8 |
| Machaerium riparium | Brandegee | Fabaceae | 8 |
| Macleania insignis | M.Martens & Galeotti | Ericaceae | 8 |
| Maclura tinctoria | (L.) D.Don ex G.Don | Moraceae | 8 |
| Macroptilium atropurpureum | (DC.) Urb. | Fabaceae | 8 |
| Macroptilium gibbosifolium | (Ortega) A.Delgado | Fabaceae | 8 |
| Macroptilium lathyroides | (L.) Urb. | Fabaceae | 8 |
| Maianthemum flexuosum | (Bertol.) LaFrankie | Asparagaceae | 8 |
| Malachra alceifolia | Jacq. | Malvaceae | 8 |
| Malachra capitata | (L.) L. | Malvaceae | 8 |
| Malachra fasciata | Jacq. | Malvaceae | 8 |
| Malaxis brachyrrhynchos | (Rchb.f.) Ames | Orchidaceae | 8 |
| Malaxis macrostachya | (Lex.) Kuntze | Orchidaceae | 8 |
| Malaxis unifolia | Michx. | Orchidaceae | 8 |
| Malpighia emarginata | DC. | Malpighiaceae | 8 |
| Malpighia glabra | L. | Malpighiaceae | 8 |
| Malvastrum americanum | (L.) Torr. | Malvaceae | 8 |
| Malvastrum coromandelianum | (L.) Garcke | Malvaceae | 8 |
| Malvaviscus arboreus | Dill. ex Cav. | Malvaceae | 8 |
| Malvaviscus penduliflorus | DC. | Malvaceae | 8 |
| Mandevilla hirsuta | (Rich.) K.Schum. | Apocynaceae | 8 |
| Mandevilla subsagittata | (Ruiz & Pav.) Woodson | Apocynaceae | 8 |
| Mandevilla torosa | (Jacq.) Woodson | Apocynaceae | 8 |
| Mandevilla tubiflora | (M.Martens & Galeotti) Woodson | Apocynaceae | 8 |
| Manettia reclinata | L. | Rubiaceae | 8 |
| Manicaria saccifera | Gaertn. | Arecaceae | 8 |
| Manilkara zapota | (L.) P.Royen | Sapotaceae | 8 |
| Maranta arundinacea | L. | Marantaceae | 8 |
| Marcgravia brownei | (Triana & Planch.) Krug & Urb. | Marcgraviaceae | 8 |
| Marcgravia rectiflora | Triana & Planch. | Marcgraviaceae | 8 |
| Margaritaria nobilis | L.f. | Phyllanthaceae | 8 |
| Marsypianthes chamaedrys | (Vahl) Kuntze | Lamiaceae | 8 |
| Martynia annua | L. | Martyniaceae | 8 |
| Masdevallia chontalensis | Rchb.f. | Orchidaceae | 8 |
| Matayba clavelligera | Radlk. | Sapindaceae | 8 |
| Matayba oppositifolia | (A.Rich.) Britton | Sapindaceae | 8 |
| Maxillaria densa | Lindl. | Orchidaceae | 8 |
| Maxillaria egertoniana | (Bateman ex Lindl.) Molinari | Orchidaceae | 8 |
| Maxillaria lutescens | Scheidw. | Orchidaceae | 8 |
| Maxillaria porrecta | Lindl. | Orchidaceae | 8 |
| Maxillaria variabilis | Bateman ex Lindl. | Orchidaceae | 8 |
| Mayaca fluviatilis | Aubl. | Mayacaceae | 8 |
| Mecardonia procumbens | (Mill.) Small | Plantaginaceae | 8 |
| Melampodium divaricatum | DC. | Asteraceae | 8 |
| Melanthera angustifolia | A.Rich. | Asteraceae | 8 |
| Melanthera nivea | (L.) Small | Asteraceae | 8 |
| Meliosma dentata | (Liebm.) Urb. | Sabiaceae | 8 |
| Melocactus curvispinus | Pfeiff. | Cactaceae | 8 |
| Melochia lupulina | Sw. | Malvaceae | 8 |
| Melochia nodiflora | Sw. | Malvaceae | 8 |
| Melochia pyramidata | L. | Malvaceae | 8 |
| Melochia tomentosa | L. | Malvaceae | 8 |
| Melothria pendula | L. | Cucurbitaceae | 8 |
| Melothria scabra | Naudin | Cucurbitaceae | 8 |
| Meniscium serratum | Cav. | Thelypteridaceae | 8 |
| Mentzelia aspera | L. | Loasaceae | 8 |
| Mesechites trifidus | (Jacq.) Müll.Arg. | Apocynaceae | 8 |
| Mesosphaerum oblongifolium | (Benth.) Kuntze | Lamiaceae | 8 |
| Mesosphaerum pectinatum | (L.) Kuntze | Lamiaceae | 8 |
| Mesosphaerum suaveolens | (L.) Kuntze | Lamiaceae | 8 |
| Mesosphaerum urticodes | (Kunth) Kuntze | Lamiaceae | 8 |
| Mespilodaphne veraguensis | (Meisn.) Rohwer | Lauraceae | 8 |
| Metastelma schlechtendalii | Decne. | Apocynaceae | 8 |
| Metopium brownei | Urb. | Anacardiaceae | 8 |
| Miconia aeruginosa | Naudin | Melastomataceae | 8 |
| Miconia albicans | (Sw.) Steud. | Melastomataceae | 8 |
| Miconia argentea | (Sw.) DC. | Melastomataceae | 8 |
| Miconia baillonii | M.Gómez | Melastomataceae | 8 |
| Miconia bubalina | Naudin | Melastomataceae | 8 |
| Miconia calvescens | DC. | Melastomataceae | 8 |
| Miconia caudata | (Bonpl.) DC. | Melastomataceae | 8 |
| Miconia chamissois | Naudin | Melastomataceae | 8 |
| Miconia ciliata | (Rich.) DC. | Melastomataceae | 8 |
| Miconia cooperi | (Cogn.) Michelang. | Melastomataceae | 8 |
| Miconia crenata | (Vahl) Michelang. | Melastomataceae | 8 |
| Miconia dentata | (D.Don) Michelang. | Melastomataceae | 8 |
| Miconia dependens | (Pav. ex D.Don) Judd & Majure | Melastomataceae | 8 |
| Miconia domociliata | Michelang. | Melastomataceae | 8 |
| Miconia glaberrima | (Schltdl.) Naudin | Melastomataceae | 8 |
| Miconia ibaguensis | (Bonpl.) Triana | Melastomataceae | 8 |
| Miconia impetiolaris | (Sw.) D.Don | Melastomataceae | 8 |
| Miconia lacera | (Bonpl.) Naudin | Melastomataceae | 8 |
| Miconia laevigata | (L.) DC. | Melastomataceae | 8 |
| Miconia longifolia | (Aubl.) DC. | Melastomataceae | 8 |
| Miconia mexicana | (Bonpl.) Naudin | Melastomataceae | 8 |
| Miconia nervosa | (Sm.) Triana | Melastomataceae | 8 |
| Miconia octona | (Bonpl.) Judd & Majure | Melastomataceae | 8 |
| Miconia oinochrophylla | Donn.Sm. | Melastomataceae | 8 |
| Miconia petiolaris | (Schltdl.) Michelang. | Melastomataceae | 8 |
| Miconia prasina | (Sw.) DC. | Melastomataceae | 8 |
| Miconia schlimii | Triana | Melastomataceae | 8 |
| Miconia sericea | (D.Don) Michelang. | Melastomataceae | 8 |
| Miconia stenostachya | DC. | Melastomataceae | 8 |
| Miconia subcrustulata | Beurl. | Melastomataceae | 8 |
| Miconia subseriata | (Naudin) R.Goldenb. & Michelang. | Melastomataceae | 8 |
| Miconia tococa | (Desr.) Michelang. | Melastomataceae | 8 |
| Miconia tomentosa | (Rich.) D.Don | Melastomataceae | 8 |
| Miconia trichocalyx | (Pittier) Michelang. & Judd | Melastomataceae | 8 |
| Miconia xalapensis | (Bonpl.) M.Gómez | Melastomataceae | 8 |
| Micranthemum umbrosum | (J.F.Gmel.) S.F.Blake | Linderniaceae | 8 |
| Microchilus querceticola | (Lindl.) D.Dietr. | Orchidaceae | 8 |
| Microgramma lycopodioides | (L.) Copel. | Polypodiaceae | 8 |
| Microgramma nitida | (J.Sm.) A.R.Sm. | Polypodiaceae | 8 |
| Microgramma piloselloides | (L.) Copel. | Polypodiaceae | 8 |
| Microlobius foetidus | (Jacq.) M.Sousa & G.Andrade | Fabaceae | 8 |
| Microstachys corniculata | (Vahl) A.Juss. ex Griseb. | Euphorbiaceae | 8 |
| Mikania cordifolia | (L.f.) Willd. | Asteraceae | 8 |
| Mikania micrantha | Kunth | Asteraceae | 8 |
| Milla biflora | Cav. | Asparagaceae | 8 |
| Milleria quinqueflora | L. | Asteraceae | 8 |
| Mimosa albida | Humb. & Bonpl. ex Willd. | Fabaceae | 8 |
| Mimosa candollei | R.Grether | Fabaceae | 8 |
| Mimosa diplotricha | C.Wright | Fabaceae | 8 |
| Mimosa pigra | L. | Fabaceae | 8 |
| Mimosa pudica | L. | Fabaceae | 8 |
| Mimosa tenuiflora | (Willd.) Poir. | Fabaceae | 8 |
| Mimosa tricephala | Schltdl. & Cham. | Fabaceae | 8 |
| Mirabilis jalapa | L. | Nyctaginaceae | 8 |
| Mirabilis violacea | Heimerl | Nyctaginaceae | 8 |
| Mitracarpus hirtus | (L.) DC. | Rubiaceae | 8 |
| Mitreola petiolata | (J.F.Gmel.) Torr. & A.Gray | Loganiaceae | 8 |
| Mollugo verticillata | L. | Molluginaceae | 8 |
| Monnina xalapensis | Kunth | Polygalaceae | 8 |
| Monochaetum floribundum | Naudin | Melastomataceae | 8 |
| Monotropa uniflora | L. | Ericaceae | 8 |
| Monstera acuminata | K.Koch | Araceae | 8 |
| Monstera dubia | (Kunth) Engl. & K.Krause | Araceae | 8 |
| Monstera siltepecana | Matuda | Araceae | 8 |
| Montanoa atriplicifolia | (Pers.) Sch.Bip. ex Klatt | Asteraceae | 8 |
| Montanoa hibiscifolia | Benth. | Asteraceae | 8 |
| Montanoa tomentosa | Cerv. | Asteraceae | 8 |
| Moquilea platypus | Hemsl. | Chrysobalanaceae | 8 |
| Morinda royoc | L. | Rubiaceae | 8 |
| Morisonia americana | L. | Capparaceae | 8 |
| Morisonia cynophallophora | (L.) Christenh. & Byng | Capparaceae | 8 |
| Morisonia flexuosa | L. | Capparaceae | 8 |
| Morisonia incana | (Kunth) Christenh. & Byng | Capparaceae | 8 |
| Morisonia indica | (L.) ined. | Capparaceae | 8 |
| Mormodes lineata | Bateman ex Lindl. | Orchidaceae | 8 |
| Morus celtidifolia | Kunth | Moraceae | 8 |
| Mouriri myrtilloides | Poir. | Melastomataceae | 8 |
| Mucuna argyrophylla | Standl. | Fabaceae | 8 |
| Mucuna holtonii | (Kuntze) Moldenke | Fabaceae | 8 |
| Mucuna sloanei | Fawc. & Rendle | Fabaceae | 8 |
| Mucuna urens | (L.) Medik. | Fabaceae | 8 |
| Muehlenbeckia tamnifolia | (Kunth) Meisn. | Polygonaceae | 8 |
| Muhlenbergia implicata | (Kunth) Trin. | Poaceae | 8 |
| Muhlenbergia robusta | (E.Fourn.) Hitchc. | Poaceae | 8 |
| Muntingia calabura | L. | Muntingiaceae | 8 |
| Myrcia chytraculia | (L.) A.R.Lourenço & E.Lucas | Myrtaceae | 8 |
| Myrcia splendens | (Sw.) DC. | Myrtaceae | 8 |
| Myrcianthes fragrans | (Sw.) McVaugh | Myrtaceae | 8 |
| Myrica cerifera | L. | Myricaceae | 8 |
| Myriopteris aurea | (Poir.) Grusz & Windham | Pteridaceae | 8 |
| Myriopteris lendigera | (Cav.) J.Sm. | Pteridaceae | 8 |
| Myriopteris microphylla | (Sw.) Grusz & Windham | Pteridaceae | 8 |
| Myriopteris myriophylla | J.Sm. | Pteridaceae | 8 |
| Myriopus volubilis | (L.) Small | Heliotropiaceae | 8 |
| Myrrhidendron donnellsmithii | J.M.Coult. & Rose | Apiaceae | 8 |
| Myrsine coriacea | (Sw.) R.Br. ex Roem. & Schult. | Primulaceae | 8 |
| Myrsine cubana | A.DC. | Primulaceae | 8 |
| Myrsine juergensenii | (Mez) Ricketson & Pipoly | Primulaceae | 8 |
| Najas guadalupensis | (Spreng.) Magnus | Hydrocharitaceae | 8 |
| Najas wrightiana | A.Braun | Hydrocharitaceae | 8 |
| Nama jamaicensis | L. | Namaceae | 8 |
| Napeanthus apodemus | Donn.Sm. | Gesneriaceae | 8 |
| Neea psychotrioides | Donn.Sm. | Nyctaginaceae | 8 |
| Neea tenuis | Standl. | Nyctaginaceae | 8 |
| Neltuma juliflora | (Sw.) Raf. | Fabaceae | 8 |
| Nemaconia striata | (Lindl.) Van den Berg, Salazar & Soto Arenas | Orchidaceae | 8 |
| Nemastylis tenuis | (Herb.) Benth. & Hook.f. ex S.Watson | Iridaceae | 8 |
| Nephrolepis biserrata | (Sw.) Schott | Nephrolepidaceae | 8 |
| Nephrolepis exaltata | (L.) Schott | Nephrolepidaceae | 8 |
| Nephrolepis rivularis | (Vahl) Mett. ex Krug | Nephrolepidaceae | 8 |
| Nepsera aquatica | (Aubl.) Naudin | Melastomataceae | 8 |
| Neptunia oleracea | Lour. | Fabaceae | 8 |
| Neptunia plena | (L.) Benth. | Fabaceae | 8 |
| Nertera granadensis | (Mutis ex L.f.) Druce | Rubiaceae | 8 |
| Nidema boothii | (Lindl.) Schltr. | Orchidaceae | 8 |
| Niphidium crassifolium | (L.) Lellinger | Polypodiaceae | 8 |
| Nissolia fruticosa | Jacq. | Fabaceae | 8 |
| Notholaena brachypus | (Kunze) J.Sm. | Pteridaceae | 8 |
| Notholaena candida | (M.Martens & Galeotti) Hook. | Pteridaceae | 8 |
| Nothoscordum gracile | (Aiton) Stearn | Amaryllidaceae | 8 |
| Notopleura anomothyrsa | (K.Schum. & Donn.Sm.) C.M.Taylor | Rubiaceae | 8 |
| Notopleura uliginosa | (Sw.) Bremek. | Rubiaceae | 8 |
| Notylia barkeri | Lindl. | Orchidaceae | 8 |
| Nymphaea ampla | (Salisb.) DC. | Nymphaeaceae | 8 |
| Nymphaea odorata | Aiton | Nymphaeaceae | 8 |
| Nymphoides humboldtiana | (Kunth) Kuntze | Menyanthaceae | 8 |
| Ochroma pyramidale | (Cav. ex Lam.) Urb. | Malvaceae | 8 |
| Ocimum campechianum | Mill. | Lamiaceae | 8 |
| Ocotea botrantha | Rohwer | Lauraceae | 8 |
| Ocotea sinuata | (Mez) Rohwer | Lauraceae | 8 |
| Odontonema callistachyum | (Schltdl. & Cham.) Kuntze | Acanthaceae | 8 |
| Odontonema cuspidatum | (Nees) Kuntze | Acanthaceae | 8 |
| Odontonema tubaeforme | (Bertol.) Kuntze | Acanthaceae | 8 |
| Odontosoria schlechtendalii | (C.Presl) C.Chr. | Lindsaeaceae | 8 |
| Oenothera rosea | Aiton | Onagraceae | 8 |
| Oenothera tetraptera | Cav. | Onagraceae | 8 |
| Okenia hypogaea | Schltdl. & Cham. | Nyctaginaceae | 8 |
| Oleandra articulata | (Sw.) C.Presl | Oleandraceae | 8 |
| Olmediella betschleriana | (Göpp.) Loes. | Salicaceae | 8 |
| Oncidium cheirophorum | Rchb.f. | Orchidaceae | 8 |
| Oncidium graminifolium | (Lindl.) Lindl. | Orchidaceae | 8 |
| Oncidium leucochilum | Bateman ex Lindl. | Orchidaceae | 8 |
| Oncidium sphacelatum | Lindl. | Orchidaceae | 8 |
| Operculina pteripes | (G.Don) O'Donell | Convolvulaceae | 8 |
| Ophioglossum crotalophoroides | Walter | Ophioglossaceae | 8 |
| Ophioglossum engelmannii | Prantl | Ophioglossaceae | 8 |
| Oplismenus compositus | (L.) P.Beauv. | Poaceae | 8 |
| Oplismenus hirtellus | (L.) P.Beauv. | Poaceae | 8 |
| Opuntia decumbens | Salm-Dyck | Cactaceae | 8 |
| Opuntia pubescens | H.L.Wendl. ex Pfeiff. | Cactaceae | 8 |
| Opuntia tomentosa | Salm-Dyck | Cactaceae | 8 |
| Oreopanax capitatus | (Jacq.) Decne. & Planch. | Araliaceae | 8 |
| Oreopanax geminatus | Marchal | Araliaceae | 8 |
| Oreopanax peltatus | Linden ex Regel | Araliaceae | 8 |
| Oreopanax xalapensis | (Kunth) Decne. & Planch. | Araliaceae | 8 |
| Ormosia macrocalyx | Ducke | Fabaceae | 8 |
| Orthrosanthus monadelphus | Ravenna | Iridaceae | 8 |
| Oryctanthus cordifolius | (C.Presl) Urb. | Loranthaceae | 8 |
| Osmunda spectabilis | Willd. | Osmundaceae | 8 |
| Osmundastrum cinnamomeum | (L.) C.Presl | Osmundaceae | 8 |
| Ostrya virginiana | (Mill.) K.Koch | Betulaceae | 8 |
| Ouratea lucens | (Kunth) Engl. | Ochnaceae | 8 |
| Oxalis debilis | Kunth | Oxalidaceae | 8 |
| Oxalis frutescens | L. | Oxalidaceae | 8 |
| Oxalis latifolia | Kunth | Oxalidaceae | 8 |
| Oxalis nelsonii | (Small) R.Knuth | Oxalidaceae | 8 |
| Oxalis rhombifolia | Jacq. | Oxalidaceae | 8 |
| Oxypetalum cordifolium | (Vent.) Schltr. | Apocynaceae | 8 |
| Pachira aquatica | Aubl. | Malvaceae | 8 |
| Pachyrhizus erosus | (L.) Urb. | Fabaceae | 8 |
| Pachythamnus crassirameus | (B.L.Rob.) R.M.King & H.Rob. | Asteraceae | 8 |
| Pacourina edulis | Aubl. | Asteraceae | 8 |
| Palhinhaea cernua | (L.) Vasc. & Franco | Lycopodiaceae | 8 |
| Palicourea acuminata | (Benth.) Borhidi | Rubiaceae | 8 |
| Palicourea axillaris | (Sw.) Borhidi | Rubiaceae | 8 |
| Palicourea berteroana | (DC.) Borhidi | Rubiaceae | 8 |
| Palicourea brachiata | (Sw.) Borhidi | Rubiaceae | 8 |
| Palicourea crocea | (Sw.) Schult. | Rubiaceae | 8 |
| Palicourea cyanococca | (Seem. ex Dombrain) Borhidi | Rubiaceae | 8 |
| Palicourea deflexa | (DC.) Borhidi | Rubiaceae | 8 |
| Palicourea elata | (Sw.) Borhidi | Rubiaceae | 8 |
| Palicourea glomerulata | (Donn.Sm.) Borhidi | Rubiaceae | 8 |
| Palicourea gracilenta | (Müll.Arg.) Delprete & J.H.Kirkbr. | Rubiaceae | 8 |
| Palicourea guianensis | Aubl. | Rubiaceae | 8 |
| Palicourea padifolia | (Willd. ex Schult.) C.M.Taylor & Lorence | Rubiaceae | 8 |
| Palicourea pubescens | (Sw.) Borhidi | Rubiaceae | 8 |
| Palicourea racemosa | (Aubl.) G.Nicholson | Rubiaceae | 8 |
| Palicourea suerrensis | (Donn.Sm.) Borhidi | Rubiaceae | 8 |
| Palicourea tetragona | (Donn.Sm.) C.M.Taylor | Rubiaceae | 8 |
| Palicourea tomentosa | (Aubl.) Borhidi | Rubiaceae | 8 |
| Palicourea violacea | (Aubl.) A.Rich. | Rubiaceae | 8 |
| Panicum amarum | Elliott | Poaceae | 8 |
| Panicum dichotomiflorum | Michx. | Poaceae | 8 |
| Panicum hirticaule | J.Presl | Poaceae | 8 |
| Panicum virgatum | L. | Poaceae | 8 |
| Pappophorum mucronulatum | Nees | Poaceae | 8 |
| Paradrymonia ciliosa | (Mart.) Wiehler | Gesneriaceae | 8 |
| Parathesis leptopa | Lundell | Primulaceae | 8 |
| Parkinsonia aculeata | L. | Fabaceae | 8 |
| Parmentiera aculeata | (Kunth) Seem. | Bignoniaceae | 8 |
| Parthenium hysterophorus | L. | Asteraceae | 8 |
| Paspalum acuminatum | Raddi | Poaceae | 8 |
| Paspalum blodgettii | Chapm. | Poaceae | 8 |
| Paspalum conjugatum | P.J.Bergius | Poaceae | 8 |
| Paspalum denticulatum | Trin. | Poaceae | 8 |
| Paspalum distichum | L. | Poaceae | 8 |
| Paspalum langei | (E.Fourn.) Nash | Poaceae | 8 |
| Paspalum paniculatum | L. | Poaceae | 8 |
| Paspalum pilosum | Lam. | Poaceae | 8 |
| Paspalum plicatulum | Michx. | Poaceae | 8 |
| Paspalum repens | P.J.Bergius | Poaceae | 8 |
| Paspalum setaceum | Michx. | Poaceae | 8 |
| Paspalum vaginatum | Sw. | Poaceae | 8 |
| Passiflora adenopoda | DC. | Passifloraceae | 8 |
| Passiflora ambigua | Hemsl. | Passifloraceae | 8 |
| Passiflora apetala | Killip | Passifloraceae | 8 |
| Passiflora biflora | Lam. | Passifloraceae | 8 |
| Passiflora capsularis | L. | Passifloraceae | 8 |
| Passiflora ciliata | Aiton | Passifloraceae | 8 |
| Passiflora eglandulosa | J.M.MacDougal | Passifloraceae | 8 |
| Passiflora filipes | Benth. | Passifloraceae | 8 |
| Passiflora foetida | L. | Passifloraceae | 8 |
| Passiflora holosericea | L. | Passifloraceae | 8 |
| Passiflora membranacea | Benth. | Passifloraceae | 8 |
| Passiflora pallida | L. | Passifloraceae | 8 |
| Passiflora sexflora | Juss. | Passifloraceae | 8 |
| Passiflora sexocellata | Schltdl. | Passifloraceae | 8 |
| Passiflora suberosa | L. | Passifloraceae | 8 |
| Passiflora vitifolia | Kunth | Passifloraceae | 8 |
| Passovia pyrifolia | (Kunth) Tiegh. | Loranthaceae | 8 |
| Paullinia costata | Schltdl. & Cham. | Sapindaceae | 8 |
| Paullinia fuscescens | Kunth | Sapindaceae | 8 |
| Paullinia pinnata | L. | Sapindaceae | 8 |
| Pavonia schiedeana | Steud. | Malvaceae | 8 |
| Pectis multiflosculosa | (DC.) Sch.Bip. | Asteraceae | 8 |
| Pectis prostrata | Cav. | Asteraceae | 8 |
| Pelazoneuron kunthii | (Desv.) A.R.Sm. & S.E.Fawc. | Thelypteridaceae | 8 |
| Pelazoneuron ovatum | (R.P.St.John) A.R.Sm. & S.E.Fawc. | Thelypteridaceae | 8 |
| Pelazoneuron puberulum | (Baker) A.R.Sm. & S.E.Fawc. | Thelypteridaceae | 8 |
| Pellaea ovata | Weath. | Pteridaceae | 8 |
| Pellaea ternifolia | (Cav.) Link | Pteridaceae | 8 |
| Pelliciera rhizophorae | Triana & Planch. | Tetrameristaceae | 8 |
| Penstemon gentianoides | (Kunth) Poir. | Plantaginaceae | 8 |
| Pentagonia donnell-smithii | (Standl.) Standl. | Rubiaceae | 8 |
| Peperomia cyclophylla | Miq. | Piperaceae | 8 |
| Peperomia galioides | Kunth | Piperaceae | 8 |
| Peperomia glabella | (Sw.) A.Dietr. | Piperaceae | 8 |
| Peperomia hernandiifolia | (Vahl) A.Dietr. | Piperaceae | 8 |
| Peperomia lanceolatopeltata | C.DC. | Piperaceae | 8 |
| Peperomia maculosa | (L.) Hook. | Piperaceae | 8 |
| Peperomia obtusifolia | (L.) A.Dietr. | Piperaceae | 8 |
| Peperomia olivacea | C.DC. | Piperaceae | 8 |
| Peperomia pellucida | (L.) Kunth | Piperaceae | 8 |
| Peperomia quadrifolia | (L.) Kunth | Piperaceae | 8 |
| Peperomia rotundifolia | (L.) Kunth | Piperaceae | 8 |
| Peperomia san-joseana | C.DC. | Piperaceae | 8 |
| Peperomia serpens | Loudon | Piperaceae | 8 |
| Peperomia tetraphylla | (G.Forst.) Hook. & Arn. | Piperaceae | 8 |
| Peperomia tovariana | C.DC. | Piperaceae | 8 |
| Peperomia urocarpa | Fisch. & C.A.Mey. | Piperaceae | 8 |
| Persea americana | Mill. | Lauraceae | 8 |
| Persea caerulea | (Ruiz & Pav.) Mez | Lauraceae | 8 |
| Persicaria acuminata | (Kunth) M.Gómez | Polygonaceae | 8 |
| Persicaria glabra | (Willd.) M.Gómez | Polygonaceae | 8 |
| Persicaria hydropiperoides | (Michx.) Small | Polygonaceae | 8 |
| Persicaria punctata | Small | Polygonaceae | 8 |
| Perymenium grande | Hemsl. | Asteraceae | 8 |
| Peteravenia schultzii | (Schnittsp.) R.M.King & H.Rob. | Asteraceae | 8 |
| Petiveria alliacea | L. | Petiveriaceae | 8 |
| Petrea asperifolia | (Miranda) Hammel | Verbenaceae | 8 |
| Petrea volubilis | L. | Verbenaceae | 8 |
| Pharus lappulaceus | Aubl. | Poaceae | 8 |
| Phaseolus coccineus | L. | Fabaceae | 8 |
| Phaseolus lunatus | L. | Fabaceae | 8 |
| Phaseolus microcarpus | Mart. | Fabaceae | 8 |
| Phaseolus vulgaris | L. | Fabaceae | 8 |
| Phenax hirtus | (Sw.) Wedd. | Urticaceae | 8 |
| Phenax rugosus | (Poir.) Wedd. | Urticaceae | 8 |
| Philadelphus mexicanus | Schltdl. | Hydrangeaceae | 8 |
| Philodendron anisotomum | Schott | Araceae | 8 |
| Philodendron fragrantissimum | (Hook.) G.Don | Araceae | 8 |
| Philodendron hederaceum | (Jacq.) Schott | Araceae | 8 |
| Philodendron jacquinii | Schott | Araceae | 8 |
| Philodendron radiatum | Schott | Araceae | 8 |
| Philodendron sagittifolium | Liebm. | Araceae | 8 |
| Philodendron warszewiczii | K.Koch & C.D.Bouché | Araceae | 8 |
| Phlebodium decumanum | (Willd.) J.Sm. | Polypodiaceae | 8 |
| Phlebodium pseudoaureum | (Cav.) Lellinger | Polypodiaceae | 8 |
| Phlegmariurus crassus | (Humb. & Bonpl. ex Willd.) B.Øllg. | Lycopodiaceae | 8 |
| Phlegmariurus hippurideus | (Christ) B.Øllg. | Lycopodiaceae | 8 |
| Phoradendron piperoides | (Kunth) Trel. | Santalaceae | 8 |
| Phoradendron quadrangulare | (Kunth) Griseb. | Santalaceae | 8 |
| Phragmites australis | (Cav.) Steud. | Poaceae | 8 |
| Phyla nodiflora | (L.) Greene | Verbenaceae | 8 |
| Phyllanthus amarus | Schumach. & Thonn. | Phyllanthaceae | 8 |
| Phyllanthus caroliniensis | Walter | Phyllanthaceae | 8 |
| Phyllanthus grandifolius | L. | Phyllanthaceae | 8 |
| Phyllanthus niruri | L. | Phyllanthaceae | 8 |
| Physalis angulata | L. | Solanaceae | 8 |
| Physalis cordata | Mill. | Solanaceae | 8 |
| Physalis melanocystis | (B.L.Rob.) Bitter | Solanaceae | 8 |
| Physalis nicandroides | Schltdl. | Solanaceae | 8 |
| Physalis philadelphica | Lam. | Solanaceae | 8 |
| Physalis pubescens | L. | Solanaceae | 8 |
| Physalis solanacea | (Schltdl.) Axelius | Solanaceae | 8 |
| Phytolacca icosandra | L. | Phytolaccaceae | 8 |
| Phytolacca octandra | L. | Phytolaccaceae | 8 |
| Phytolacca rivinoides | Kunth & C.D.Bouché | Phytolaccaceae | 8 |
| Phytolacca rugosa | A.Braun & C.D.Bouché | Phytolaccaceae | 8 |
| Picramnia antidesma | Sw. | Picramniaceae | 8 |
| Pilea herniarioides | (Sw.) Lindl. | Urticaceae | 8 |
| Pilea microphylla | (L.) Liebm. | Urticaceae | 8 |
| Pilea nummulariifolia | (Sw.) Wedd. | Urticaceae | 8 |
| Pilosocereus leucocephalus | (Poselg.) Byles & G.D.Rowley | Cactaceae | 8 |
| Pimenta dioica | (L.) Merr. | Myrtaceae | 8 |
| Pinguicula moranensis | Kunth | Lentibulariaceae | 8 |
| Pinus ayacahuite | Ehrenb. ex Schltdl. | Pinaceae | 8 |
| Pinus caribaea | Morelet | Pinaceae | 8 |
| Pinus hartwegii | Lindl. | Pinaceae | 8 |
| Pinus maximinoi | H.E.Moore | Pinaceae | 8 |
| Pinus oocarpa | Schiede | Pinaceae | 8 |
| Pinus pseudostrobus | Lindl. | Pinaceae | 8 |
| Pinus tecunumanii | F.Schwerdtf. ex Eguiluz & J.P.Perry | Pinaceae | 8 |
| Piparea dentata | Aubl. | Salicaceae | 8 |
| Piper aduncum | L. | Piperaceae | 8 |
| Piper auritum | Kunth | Piperaceae | 8 |
| Piper bredemeyeri | J.Jacq. | Piperaceae | 8 |
| Piper marginatum | Jacq. | Piperaceae | 8 |
| Piper peltatum | L. | Piperaceae | 8 |
| Piper tuberculatum | Jacq. | Piperaceae | 8 |
| Piper umbellatum | L. | Piperaceae | 8 |
| Piriqueta cistoides | (L.) Griseb. | Passifloraceae | 8 |
| Piscidia carthagenensis | Jacq. | Fabaceae | 8 |
| Piscidia piscipula | (L.) Sarg. | Fabaceae | 8 |
| Pisonia aculeata | L. | Nyctaginaceae | 8 |
| Pisonia macranthocarpa | Donn.Sm. | Nyctaginaceae | 8 |
| Pistacia mexicana | Kunth | Anacardiaceae | 8 |
| Pistia stratiotes | L. | Araceae | 8 |
| Pitcairnia heterophylla | (Lindl.) Beer | Bromeliaceae | 8 |
| Pitcairnia maidifolia | (C.Morren) Decne. ex Planch. | Bromeliaceae | 8 |
| Pithecellobium dulce | (Roxb.) Benth. | Fabaceae | 8 |
| Pithecellobium lanceolatum | (Humb. & Bonpl. ex Willd.) Benth. | Fabaceae | 8 |
| Pithecellobium unguis-cati | (L.) Benth. | Fabaceae | 8 |
| Pityopsis graminifolia | (Michx.) Nutt. | Asteraceae | 8 |
| Pityrogramma austroamericana | Domin | Pteridaceae | 8 |
| Pityrogramma calomelanos | (L.) Link | Pteridaceae | 8 |
| Pityrogramma trifoliata | (L.) R.M.Tryon | Pteridaceae | 8 |
| Plantago australis | Lam. | Plantaginaceae | 8 |
| Platymiscium pinnatum | (Jacq.) Dugand | Fabaceae | 8 |
| Platymiscium trifoliolatum | Benth. | Fabaceae | 8 |
| Platystele compacta | (Ames) Ames | Orchidaceae | 8 |
| Platystele stenostachya | (Rchb.f.) Garay | Orchidaceae | 8 |
| Pleiostachya pruinosa | (Regel) K.Schum. | Marantaceae | 8 |
| Pleopeltis angusta | Humb. & Bonpl. ex Willd. | Polypodiaceae | 8 |
| Pleopeltis crassinervata | T.Moore | Polypodiaceae | 8 |
| Pleopeltis macrocarpa | (Bory ex Willd.) Kaulf. | Polypodiaceae | 8 |
| Pleopeltis michauxiana | (Weath.) Hickey & Sprunt | Polypodiaceae | 8 |
| Pleopeltis plebeia | (Schltdl. & Cham.) A.R.Sm. & Tejero | Polypodiaceae | 8 |
| Pleopeltis polylepis | (A.Roem. ex Kunze) T.Moore | Polypodiaceae | 8 |
| Pleopeltis polypodioides | (L.) E.G.Andrews & Windham | Polypodiaceae | 8 |
| Pleuropetalum sprucei | (Hook.f.) Standl. | Amaranthaceae | 8 |
| Pleurothallis cardiothallis | Rchb.f. | Orchidaceae | 8 |
| Pleurothallis matudana | C.Schweinf. | Orchidaceae | 8 |
| Pluchea baccharis | (Mill.) Pruski | Asteraceae | 8 |
| Pluchea carolinensis | (Jacq.) G.Don | Asteraceae | 8 |
| Pluchea odorata | (L.) Cass. | Asteraceae | 8 |
| Plumbago zeylanica | L. | Plumbaginaceae | 8 |
| Plumeria obtusa | L. | Apocynaceae | 8 |
| Plumeria rubra | L. | Apocynaceae | 8 |
| Pochota fendleri | (Seem.) W.S.Alverson & M.C.Duarte | Malvaceae | 8 |
| Poikilacanthus macranthus | Lindau | Acanthaceae | 8 |
| Polyclathra cucumerina | Bertol. | Cucurbitaceae | 8 |
| Polypodium plesiosorum | Kunze | Polypodiaceae | 8 |
| Polypremum procumbens | L. | Tetrachondraceae | 8 |
| Polystachya foliosa | (Hook.) Rchb.f. | Orchidaceae | 8 |
| Polystemma guatemalense | (Schltr.) W.D.Stevens | Apocynaceae | 8 |
| Pombalia glabra | (Dowell) Paula-Souza | Violaceae | 8 |
| Pontederia azurea | Sw. | Pontederiaceae | 8 |
| Pontederia cordata | L. | Pontederiaceae | 8 |
| Pontederia rotundifolia | L.f. | Pontederiaceae | 8 |
| Pontederia sagittata | C.Presl | Pontederiaceae | 8 |
| Ponthieva racemosa | (Walter) C.Mohr | Orchidaceae | 8 |
| Porophyllum punctatum | S.F.Blake | Asteraceae | 8 |
| Porophyllum ruderale | (Jacq.) Cass. | Asteraceae | 8 |
| Portulaca pilosa | L. | Portulacaceae | 8 |
| Portulaca umbraticola | Kunth | Portulacaceae | 8 |
| Posoqueria latifolia | (Rudge) Schult. | Rubiaceae | 8 |
| Potamogeton illinoensis | Morong | Potamogetonaceae | 8 |
| Potamogeton pusillus | L. | Potamogetonaceae | 8 |
| Poulsenia armata | (Miq.) Standl. | Moraceae | 8 |
| Pouteria sapota | (Jacq.) H.E.Moore & Stearn | Sapotaceae | 8 |
| Pouzolzia occidentalis | (Liebm.) Wedd. | Urticaceae | 8 |
| Prescottia stachyodes | (Sw.) Lindl. | Orchidaceae | 8 |
| Prestonia mexicana | A.DC. | Apocynaceae | 8 |
| Prestonia portobellensis | (Beurl.) Woodson | Apocynaceae | 8 |
| Pristimera celastroides | (Kunth) A.C.Sm. | Celastraceae | 8 |
| Priva aspera | Kunth | Verbenaceae | 8 |
| Priva lappulacea | (L.) Pers. | Verbenaceae | 8 |
| Priva mexicana | (L.) Pers. | Verbenaceae | 8 |
| Prosthechea baculus | (Rchb.f.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea chacaoensis | (Rchb.f.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea cochleata | (L.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea crassilabia | (Poepp. & Endl.) Carnevali & I.Ramírez | Orchidaceae | 8 |
| Prosthechea fragrans | (Sw.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea livida | (Lindl.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea michuacana | (Lex.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea ochracea | (Lindl.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea radiata | (Lindl.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea varicosa | (Bateman ex Lindl.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea vitellina | (Lindl.) W.E.Higgins | Orchidaceae | 8 |
| Prunus serotina | Ehrh. | Rosaceae | 8 |
| Pseuderanthemum alatum | (Nees) Radlk. | Acanthaceae | 8 |
| Pseuderanthemum cuspidatum | (Nees) Radlk. | Acanthaceae | 8 |
| Pseuderanthemum praecox | (Benth.) Leonard | Acanthaceae | 8 |
| Pseudobombax ellipticum | (Kunth) Dugand | Malvaceae | 8 |
| Pseudognaphalium attenuatum | (DC.) Anderb. | Asteraceae | 8 |
| Pseudognaphalium roseum | (Kunth) Anderb. | Asteraceae | 8 |
| Pseudognaphalium stramineum | (Kunth) Anderb. | Asteraceae | 8 |
| Pseudogynoxys chenopodioides | (Kunth) Cabrera | Asteraceae | 8 |
| Pseudogynoxys haenkei | (DC.) Cabrera | Asteraceae | 8 |
| Psidium friedrichsthalianum | (O.Berg) Nied. | Myrtaceae | 8 |
| Psidium guineense | Sw. | Myrtaceae | 8 |
| Psidium oligospermum | Mart. ex DC. | Myrtaceae | 8 |
| Psidium salutare | (Kunth) O.Berg | Myrtaceae | 8 |
| Psiguria triphylla | (Miq.) C.Jeffrey | Cucurbitaceae | 8 |
| Psiguria warscewiczii | (Hook.f.) Wunderlin | Cucurbitaceae | 8 |
| Psilotum complanatum | Sw. | Psilotaceae | 8 |
| Psilotum nudum | (L.) P.Beauv. | Psilotaceae | 8 |
| Psittacanthus mayanus | Standl. & Steyerm. | Loranthaceae | 8 |
| Psittacanthus rhynchanthus | (Benth.) Kuijt | Loranthaceae | 8 |
| Psittacanthus schiedeanus | (Cham. & Schltdl.) G.Don | Loranthaceae | 8 |
| Psychotria carthagenensis | Jacq. | Rubiaceae | 8 |
| Psychotria costivenia | Griseb. | Rubiaceae | 8 |
| Psychotria erythrocarpa | Schltdl. | Rubiaceae | 8 |
| Psychotria grandis | Sw. | Rubiaceae | 8 |
| Psychotria limonensis | K.Krause | Rubiaceae | 8 |
| Psychotria marginata | Sw. | Rubiaceae | 8 |
| Psychotria mexiae | Standl. | Rubiaceae | 8 |
| Psychotria nervosa | Sw. | Rubiaceae | 8 |
| Psychotria subsessilis | Benth. | Rubiaceae | 8 |
| Psychotria tenuifolia | Sw. | Rubiaceae | 8 |
| Psychotria trichotoma | M.Martens & Galeotti | Rubiaceae | 8 |
| Pteridium aquilinum | (L.) Kuhn | Dennstaedtiaceae | 8 |
| Pteridium caudatum | (L.) Maxon | Dennstaedtiaceae | 8 |
| Pteridium esculentum | (G.Forst.) Cockayne | Dennstaedtiaceae | 8 |
| Pteris biaurita | L. | Pteridaceae | 8 |
| Pteris longifolia | L. | Pteridaceae | 8 |
| Pterocaulon virgatum | (L.) DC. | Asteraceae | 8 |
| Pyrostegia venusta | (Ker Gawl.) Miers | Bignoniaceae | 8 |
| Quassia amara | L. | Simaroubaceae | 8 |
| Quercus acutifolia | Née | Fagaceae | 8 |
| Quercus castanea | Née | Fagaceae | 8 |
| Quercus costaricensis | Liebm. | Fagaceae | 8 |
| Quercus elliptica | Née | Fagaceae | 8 |
| Quercus insignis | M.Martens & Galeotti | Fagaceae | 8 |
| Quercus lancifolia | Schltdl. & Cham. | Fagaceae | 8 |
| Quercus laurina | Bonpl. | Fagaceae | 8 |
| Quercus oleoides | Schltdl. & Cham. | Fagaceae | 8 |
| Quercus peduncularis | Née | Fagaceae | 8 |
| Quercus polymorpha | Schltdl. & Cham. | Fagaceae | 8 |
| Quercus purulhana | Trel. | Fagaceae | 8 |
| Quercus rugosa | Née | Fagaceae | 8 |
| Quercus sapotifolia | Liebm. | Fagaceae | 8 |
| Quercus segoviensis | Liebm. | Fagaceae | 8 |
| Quercus skinneri | Benth. | Fagaceae | 8 |
| Racinaea rothschuhiana | (Mez) M.A.Spencer & L.B.Sm. | Bromeliaceae | 8 |
| Randia aculeata | L. | Rubiaceae | 8 |
| Randia chiapensis | Standl. | Rubiaceae | 8 |
| Randia echinocarpa | Moc. & Sessé ex DC. | Rubiaceae | 8 |
| Randia obcordata | S.Watson | Rubiaceae | 8 |
| Randia thurberi | S.Watson | Rubiaceae | 8 |
| Ranunculus petiolaris | Kunth | Ranunculaceae | 8 |
| Rauvolfia tetraphylla | L. | Apocynaceae | 8 |
| Reinhardtia gracilis | (H.Wendl.) Burret | Arecaceae | 8 |
| Renealmia alpinia | (Rottb.) Maas | Zingiberaceae | 8 |
| Renealmia cernua | (Sw. ex Roem. & Schult.) J.F.Macbr. | Zingiberaceae | 8 |
| Renealmia mexicana | Klotzsch ex Petersen | Zingiberaceae | 8 |
| Restrepiella ophiocephala | (Lindl.) Garay & Dunst. | Orchidaceae | 8 |
| Rhabdadenia biflora | (Jacq.) Müll.Arg. | Apocynaceae | 8 |
| Rhipsalis baccifera | (Sol. ex J.S.Muell.) Stearn | Cactaceae | 8 |
| Rhizophora mangle | L. | Rhizophoraceae | 8 |
| Rhus schiedeana | Schltdl. | Anacardiaceae | 8 |
| Rhus terebinthifolia | Schltdl. & Cham. | Anacardiaceae | 8 |
| Rhynchoglossum azureum | (Schltdl.) B.L.Burtt | Gesneriaceae | 8 |
| Rhynchosia edulis | Griseb. | Fabaceae | 8 |
| Rhynchosia longeracemosa | M.Martens & Galeotti | Fabaceae | 8 |
| Rhynchosia minima | (L.) DC. | Fabaceae | 8 |
| Rhynchosia precatoria | (Humb. & Bonpl. ex Willd.) DC. | Fabaceae | 8 |
| Rhynchospora chapmanii | M.A.Curtis | Cyperaceae | 8 |
| Rhynchospora corymbosa | (L.) Britton | Cyperaceae | 8 |
| Rhynchospora divergens | Chapm. ex M.A.Curtis | Cyperaceae | 8 |
| Rhynchospora eximia | (Nees) Boeckeler | Cyperaceae | 8 |
| Rhynchospora fascicularis | (Michx.) Vahl | Cyperaceae | 8 |
| Rhynchospora filifolia | A.Gray | Cyperaceae | 8 |
| Rhynchospora harperi | Small | Cyperaceae | 8 |
| Rhynchospora holoschoenoides | (Rich.) Herter | Cyperaceae | 8 |
| Rhynchospora nervosa | (Vahl) Boeckeler | Cyperaceae | 8 |
| Rhynchospora nitens | (Vahl) A.Gray | Cyperaceae | 8 |
| Rhynchospora plumosa | Elliott | Cyperaceae | 8 |
| Rhynchospora pura | (Nees) Griseb. | Cyperaceae | 8 |
| Rhynchospora rariflora | (Michx.) Elliott | Cyperaceae | 8 |
| Rhynchospora recognita | (Gale) Kral | Cyperaceae | 8 |
| Rhynchospora tracyi | Britton | Cyperaceae | 8 |
| Rhynchostele bictoniensis | (Bateman) Soto Arenas & Salazar | Orchidaceae | 8 |
| Rhynchostele stellata | (Lindl.) Soto Arenas & Salazar | Orchidaceae | 8 |
| Richardia scabra | L. | Rubiaceae | 8 |
| Rivina humilis | L. | Petiveriaceae | 8 |
| Robinsonella lindeniana | (Turcz.) Rose & Baker f. | Malvaceae | 8 |
| Rogiera amoena | Planch. | Rubiaceae | 8 |
| Rogiera cordata | (Benth.) Planch. | Rubiaceae | 8 |
| Rogiera stenosiphon | (Hemsl.) Borhidi | Rubiaceae | 8 |
| Roldana barba-johannis | (DC.) H.Rob. & Brettell | Asteraceae | 8 |
| Roldana petasioides | (Greenm. ex Donn.Sm.) H.Rob. | Asteraceae | 8 |
| Rorippa teres | (Michx.) Stuckey | Brassicaceae | 8 |
| Roseodendron donnell-smithii | (Rose) Miranda | Bignoniaceae | 8 |
| Rotala ramosior | (L.) Koehne | Lythraceae | 8 |
| Roystonea regia | (Kunth) O.F.Cook | Arecaceae | 8 |
| Ruehssia gualanensis | (Donn.Sm.) L.O.Alvarado | Apocynaceae | 8 |
| Ruellia blechum | L. | Acanthaceae | 8 |
| Ruellia ciliatiflora | Hook. | Acanthaceae | 8 |
| Ruellia inundata | Kunth | Acanthaceae | 8 |
| Ruellia matagalpae | Lindau | Acanthaceae | 8 |
| Ruellia simplex | C.Wright | Acanthaceae | 8 |
| Ruellia terminalis | (Nees) Wassh. | Acanthaceae | 8 |
| Ruellia tuberosa | L. | Acanthaceae | 8 |
| Ruppia maritima | L. | Ruppiaceae | 8 |
| Russelia sarmentosa | Jacq. | Plantaginaceae | 8 |
| Russelia verticillata | Kunth | Plantaginaceae | 8 |
| Sabal mexicana | Mart. | Arecaceae | 8 |
| Sabdariffa furcellata | (Desr.) M.M.Hanes & R.L.Barrett | Malvaceae | 8 |
| Sacciolepis striata | (L.) Nash | Poaceae | 8 |
| Sacoila lanceolata | (Aubl.) Garay | Orchidaceae | 8 |
| Sagittaria lancifolia | L. | Alismataceae | 8 |
| Sagittaria latifolia | Willd. | Alismataceae | 8 |
| Salix humboldtiana | Willd. | Salicaceae | 8 |
| Salpianthus purpurascens | (Cav. ex Lag.) Hook. & Arn. | Nyctaginaceae | 8 |
| Salvia cinnabarina | M.Martens & Galeotti | Lamiaceae | 8 |
| Salvia coccinea | Buc'hoz ex Etl. | Lamiaceae | 8 |
| Salvia karwinskii | Benth. | Lamiaceae | 8 |
| Salvia lasiantha | Benth. | Lamiaceae | 8 |
| Salvia lasiocephala | Hook. & Arn. | Lamiaceae | 8 |
| Salvia lavanduloides | Kunth | Lamiaceae | 8 |
| Salvia leucantha | Cav. | Lamiaceae | 8 |
| Salvia miniata | Fernald | Lamiaceae | 8 |
| Salvia misella | Kunth | Lamiaceae | 8 |
| Salvia mocinoi | Benth. | Lamiaceae | 8 |
| Salvia occidentalis | Sw. | Lamiaceae | 8 |
| Salvia polystachia | Cav. | Lamiaceae | 8 |
| Salvia purpurea | Cav. | Lamiaceae | 8 |
| Salvia tiliifolia | Vahl | Lamiaceae | 8 |
| Salvia vitifolia | Benth. | Lamiaceae | 8 |
| Salvinia minima | Baker | Salviniaceae | 8 |
| Samanea saman | (Jacq.) Merr. | Fabaceae | 8 |
| Sambucus canadensis | L. | Viburnaceae | 8 |
| Samolus parviflorus | Raf. | Primulaceae | 8 |
| Sanicula liberta | Cham. & Schltdl. | Apiaceae | 8 |
| Sapindus saponaria | L. | Sapindaceae | 8 |
| Sapium glandulosum | (L.) Morong | Euphorbiaceae | 8 |
| Sapium lateriflorum | Hemsl. | Euphorbiaceae | 8 |
| Sarcoglottis sceptrodes | (Rchb.f.) Schltr. | Orchidaceae | 8 |
| Sarcoglottis schaffneri | (Rchb.f.) Ames | Orchidaceae | 8 |
| Satyria warszewiczii | Klotzsch | Ericaceae | 8 |
| Saurauia montana | Seem. | Actinidiaceae | 8 |
| Saurauia scabrida | Hemsl. | Actinidiaceae | 8 |
| Saurauia yasicae | Loes. | Actinidiaceae | 8 |
| Sauvagesia erecta | L. | Ochnaceae | 8 |
| Scaphyglottis crurigera | (Bateman ex Lindl.) Ames & Correll | Orchidaceae | 8 |
| Scaphyglottis fasciculata | Hook. | Orchidaceae | 8 |
| Scaphyglottis micrantha | (Lindl.) Ames & Correll | Orchidaceae | 8 |
| Scaphyglottis stellata | Lodd. ex Lindl. | Orchidaceae | 8 |
| Schistocarpha eupatorioides | (Fenzl) Kuntze | Asteraceae | 8 |
| Schizachyrium microstachyum | (Desv.) Roseng., B.R.Arrill. & Izag. | Poaceae | 8 |
| Schizachyrium sanguineum | (Retz.) Alston | Poaceae | 8 |
| Schizolobium parahyba | (Vell.) S.F.Blake | Fabaceae | 8 |
| Schkuhria pinnata | (Lam.) Kuntze ex Thell. | Asteraceae | 8 |
| Schnella glabra | (Jacq.) Dugand | Fabaceae | 8 |
| Schoenoplectus californicus | (C.A.Mey.) Soják | Cyperaceae | 8 |
| Schoenoplectus tabernaemontani | (C.C.Gmel.) Palla | Cyperaceae | 8 |
| Schoenus nigricans | L. | Cyperaceae | 8 |
| Schoepfia schreberi | J.F.Gmel. | Schoepfiaceae | 8 |
| Schultesia brachyptera | Cham. | Gentianaceae | 8 |
| Schwackaea cupheoides | (Benth.) Cogn. | Melastomataceae | 8 |
| Scleria ciliata | Michx. | Cyperaceae | 8 |
| Scleria distans | Poir. | Cyperaceae | 8 |
| Scleria gaertneri | Raddi | Cyperaceae | 8 |
| Scleria muehlenbergii | Steud. | Cyperaceae | 8 |
| Scleria oligantha | Michx. | Cyperaceae | 8 |
| Sclerocarpus divaricatus | (Benth.) Benth. & Hook.f. ex Hemsl. | Asteraceae | 8 |
| Scoparia dulcis | L. | Plantaginaceae | 8 |
| Scoparia montevidensis | (Spreng.) R.E.Fr. | Plantaginaceae | 8 |
| Scutellaria dumetorum | Schltdl. | Lamiaceae | 8 |
| Scutellaria orichalcea | J.D.Sm. | Lamiaceae | 8 |
| Scutellaria racemosa | Pers. | Lamiaceae | 8 |
| Selaginella convoluta | (Arn.) Spring | Selaginellaceae | 8 |
| Selaginella pallescens | (C.Presl) Spring | Selaginellaceae | 8 |
| Selenicereus grandiflorus | (L.) Britton & Rose | Cactaceae | 8 |
| Selenicereus undatus | (Haw.) D.R.Hunt | Cactaceae | 8 |
| Semialarium mexicanum | (Miers) Mennega | Celastraceae | 8 |
| Senna alata | (L.) Roxb. | Fabaceae | 8 |
| Senna atomaria | (L.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna bicapsularis | (L.) Roxb. | Fabaceae | 8 |
| Senna hayesiana | (Britton & Rose) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna hirsuta | (L.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna holwayana | (Rose) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna multijuga | (Rich.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna obtusifolia | (L.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna occidentalis | (L.) Link | Fabaceae | 8 |
| Senna pallida | (Vahl) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna pendula | (Humb. & Bonpl. ex Willd.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna racemosa | (Mill.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna reticulata | (Willd.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna septemtrionalis | (Viv.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna skinneri | (Benth.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna spectabilis | (DC.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna tonduzii | (Standl.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna uniflora | (Mill.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Serjania brachycarpa | A.Gray ex Radlk. | Sapindaceae | 8 |
| Serjania mexicana | Willd. | Sapindaceae | 8 |
| Serjania racemosa | Schum. | Sapindaceae | 8 |
| Serjania triquetra | Radlk. | Sapindaceae | 8 |
| Serpocaulon triseriale | (Sw.) A.R.Sm. | Polypodiaceae | 8 |
| Sesbania herbacea | (Mill.) McVaugh | Fabaceae | 8 |
| Sesuvium portulacastrum | (L.) L. | Aizoaceae | 8 |
| Setaria liebmannii | E.Fourn. | Poaceae | 8 |
| Setaria parviflora | (Poir.) Kerguélen | Poaceae | 8 |
| Sibthorpia repens | (Mutis ex L.) Kuntze | Plantaginaceae | 8 |
| Sida acuta | Burm.f. | Malvaceae | 8 |
| Sida ciliaris | L. | Malvaceae | 8 |
| Sida cordifolia | L. | Malvaceae | 8 |
| Sida haenkeana | C.Presl | Malvaceae | 8 |
| Sida linifolia | Cav. | Malvaceae | 8 |
| Sida spinosa | L. | Malvaceae | 8 |
| Sida ulmifolia | Mill. | Malvaceae | 8 |
| Sideroxylon capiri | (A.DC.) Pittier | Sapotaceae | 8 |
| Sideroxylon celastrinum | (Kunth) T.D.Penn. | Sapotaceae | 8 |
| Sideroxylon salicifolium | (L.) Lam. | Sapotaceae | 8 |
| Sigmoidotropis elegans | (Piper) A.Delgado | Fabaceae | 8 |
| Simarouba amara | Aubl. | Simaroubaceae | 8 |
| Simarouba glauca | DC. | Simaroubaceae | 8 |
| Simira salvadorensis | (Standl.) Steyerm. | Rubiaceae | 8 |
| Simsia amplexicaulis | (Cav.) Pers. | Asteraceae | 8 |
| Simsia foetida | (Cav.) S.F.Blake | Asteraceae | 8 |
| Sinclairia discolor | Hook. & Arn. | Asteraceae | 8 |
| Sinningia incarnata | (Aubl.) D.L.Denham | Gesneriaceae | 8 |
| Siparuna grandiflora | (Kunth) Perkins | Siparunaceae | 8 |
| Siparuna thecaphora | (Poepp. & Endl.) A.DC. | Siparunaceae | 8 |
| Sisyrinchium micranthum | Cav. | Iridaceae | 8 |
| Sisyrinchium tenuifolium | Humb. & Bonpl. ex Willd. | Iridaceae | 8 |
| Smallanthus maculatus | (Cav.) H.Rob. | Asteraceae | 8 |
| Smilax domingensis | Willd. | Smilacaceae | 8 |
| Smilax moranensis | M.Martens & Galeotti | Smilacaceae | 8 |
| Smilax spinosa | Mill. | Smilacaceae | 8 |
| Smilax subpubescens | A.DC. | Smilacaceae | 8 |
| Sobralia macrantha | Lindl. | Orchidaceae | 8 |
| Sobralia powellii | Schltr. | Orchidaceae | 8 |
| Solandra maxima | (Sessé & Moc.) P.S.Green | Solanaceae | 8 |
| Solanum acerifolium | Dunal | Solanaceae | 8 |
| Solanum aligerum | Schltdl. | Solanaceae | 8 |
| Solanum americanum | Mill. | Solanaceae | 8 |
| Solanum aphyodendron | S.Knapp | Solanaceae | 8 |
| Solanum appendiculatum | Dunal | Solanaceae | 8 |
| Solanum aturense | Dunal | Solanaceae | 8 |
| Solanum campechiense | L. | Solanaceae | 8 |
| Solanum candidum | Lindl. | Solanaceae | 8 |
| Solanum caripense | Dunal | Solanaceae | 8 |
| Solanum chrysotrichum | Schltdl. | Solanaceae | 8 |
| Solanum deflexum | Greenm. | Solanaceae | 8 |
| Solanum douglasii | Dunal | Solanaceae | 8 |
| Solanum erianthum | D.Don | Solanaceae | 8 |
| Solanum hazenii | Britton | Solanaceae | 8 |
| Solanum hirtum | Vahl | Solanaceae | 8 |
| Solanum lanceolatum | Cav. | Solanaceae | 8 |
| Solanum nigrescens | M.Martens & Galeotti | Solanaceae | 8 |
| Solanum pubigerum | Dunal | Solanaceae | 8 |
| Solanum schlechtendalianum | Walp. | Solanaceae | 8 |
| Solanum seaforthianum | Andrews | Solanaceae | 8 |
| Solanum torvum | Sw. | Solanaceae | 8 |
| Solanum umbellatum | Mill. | Solanaceae | 8 |
| Solanum volubile | Sw. | Solanaceae | 8 |
| Solanum wendlandii | Hook.f. | Solanaceae | 8 |
| Solenophora calycosa | Donn.Sm. | Gesneriaceae | 8 |
| Sophora tomentosa | L. | Fabaceae | 8 |
| Sorghastrum nutans | (L.) Nash | Poaceae | 8 |
| Sorghastrum setosum | (Griseb.) Hitchc. | Poaceae | 8 |
| Sorocea trophoides | W.C.Burger | Moraceae | 8 |
| Souroubea loczyi | (V.A.Richt.) de Roon | Marcgraviaceae | 8 |
| Souroubea sympetala | Gilg | Marcgraviaceae | 8 |
| Spananthe paniculata | Jacq. | Apiaceae | 8 |
| Spathiphyllum friedrichsthalii | Schott | Araceae | 8 |
| Specklinia picta | (Lindl.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Specklinia tribuloides | (Sw.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Spermacoce confusa | Rendle | Rubiaceae | 8 |
| Spermacoce densiflora | (DC.) Alain | Rubiaceae | 8 |
| Spermacoce exilis | (L.O.Williams) C.D.Adams ex W.C.Burger & C.M.Taylor | Rubiaceae | 8 |
| Spermacoce latifolia | Aubl. | Rubiaceae | 8 |
| Spermacoce ocymifolia | Willd. | Rubiaceae | 8 |
| Spermacoce prostrata | Aubl. | Rubiaceae | 8 |
| Spermacoce remota | Lam. | Rubiaceae | 8 |
| Spermacoce verticillata | L. | Rubiaceae | 8 |
| Sphagneticola trilobata | (L.) Pruski | Asteraceae | 8 |
| Sphyrospermum buxifolium | Poepp. & Endl. | Ericaceae | 8 |
| Spigelia anthelmia | L. | Loganiaceae | 8 |
| Spigelia humboldtiana | Cham. & Schltdl. | Loganiaceae | 8 |
| Spigelia splendens | Hook. | Loganiaceae | 8 |
| Spiranthes torta | (Thunb.) Garay & H.R.Sweet | Orchidaceae | 8 |
| Spirodela polyrhiza | (L.) Schleid. | Araceae | 8 |
| Spondias mombin | L. | Anacardiaceae | 8 |
| Spondias purpurea | L. | Anacardiaceae | 8 |
| Sporobolus indicus | (L.) R.Br. | Poaceae | 8 |
| Sporobolus pyramidatus | (Lam.) Hitchc. | Poaceae | 8 |
| Stachytarpheta cayennensis | (Rich.) Vahl | Verbenaceae | 8 |
| Stachytarpheta frantzii | Pol. | Verbenaceae | 8 |
| Stachytarpheta indica | (L.) Vahl | Verbenaceae | 8 |
| Stachytarpheta jamaicensis | (L.) Vahl | Verbenaceae | 8 |
| Stachytarpheta mutabilis | (Jacq.) Vahl | Verbenaceae | 8 |
| Stanhopea graveolens | Lindl. | Orchidaceae | 8 |
| Stanhopea oculata | (Lodd.) Lindl. | Orchidaceae | 8 |
| Stanhopea ruckeri | Lindl. | Orchidaceae | 8 |
| Stanhopea saccata | Bateman | Orchidaceae | 8 |
| Steinchisma hians | (Elliott) Nash | Poaceae | 8 |
| Stelis emarginata | (Lindl.) Soto Arenas & Solano | Orchidaceae | 8 |
| Stelis pachyglossa | (Lindl.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Stelis segoviensis | (Rchb.f.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Stellaria cuspidata | D.F.K.Schltdl. | Caryophyllaceae | 8 |
| Stemodia durantifolia | (L.) Sw. | Plantaginaceae | 8 |
| Stemodia pusilla | Benth. | Plantaginaceae | 8 |
| Stemodia verticillata | (Mill.) Hassl. | Plantaginaceae | 8 |
| Stenocereus pruinosus | (Otto ex Pfeiff.) Buxb. | Cactaceae | 8 |
| Stenotaphrum secundatum | (Walter) Kuntze | Poaceae | 8 |
| Sterculia apetala | (Jacq.) H.Karst. | Malvaceae | 8 |
| Stevia elatior | Kunth | Asteraceae | 8 |
| Stevia ovata | Willd. | Asteraceae | 8 |
| Stevia serrata | Cav. | Asteraceae | 8 |
| Stevia triflora | DC. | Asteraceae | 8 |
| Sticherus fulvus | (Desv.) Ching | Gleicheniaceae | 8 |
| Stromanthe tonckat | (Aubl.) Eichler | Marantaceae | 8 |
| Strychnos panamensis | Seem. | Loganiaceae | 8 |
| Stylosanthes guianensis | (Aubl.) Sw. | Fabaceae | 8 |
| Stylosanthes viscosa | (L.) Sw. | Fabaceae | 8 |
| Styrax argenteus | C.Presl | Styracaceae | 8 |
| Styrax glabrescens | Benth. | Styracaceae | 8 |
| Suriana maritima | L. | Surianaceae | 8 |
| Swartzia simplex | (Sw.) Spreng. | Fabaceae | 8 |
| Swietenia humilis | Zucc. | Meliaceae | 8 |
| Swietenia macrophylla | King | Meliaceae | 8 |
| Symphyotrichum bullatum | (Klatt) G.L.Nesom | Asteraceae | 8 |
| Syngonium angustatum | Schott | Araceae | 8 |
| Syngonium podophyllum | Schott | Araceae | 8 |
| Syngonium schottianum | H.Wendl. ex Schott | Araceae | 8 |
| Syringodium filiforme | Kütz. | Cymodoceaceae | 8 |
| Tabebuia rosea | (Bertol.) DC. | Bignoniaceae | 8 |
| Tabernaemontana alba | Mill. | Apocynaceae | 8 |
| Tabernaemontana amygdalifolia | Jacq. | Apocynaceae | 8 |
| Tabernaemontana donnell-smithii | Rose | Apocynaceae | 8 |
| Tabernaemontana glabra | (Benth.) A.O.Simões & M.E.Endress | Apocynaceae | 8 |
| Tabernaemontana litoralis | Kunth | Apocynaceae | 8 |
| Tagetes filifolia | Lag. | Asteraceae | 8 |
| Tagetes foetidissima | hort. ex DC. | Asteraceae | 8 |
| Tagetes lucida | Cav. | Asteraceae | 8 |
| Tagetes subulata | Cerv. | Asteraceae | 8 |
| Tagetes tenuifolia | Cav. | Asteraceae | 8 |
| Talinum fruticosum | (L.) Juss. | Talinaceae | 8 |
| Talinum paniculatum | (Jacq.) Gaertn. | Talinaceae | 8 |
| Tarenaya aculeata | (L.) Soares Neto & Roalson | Cleomaceae | 8 |
| Tecoma stans | (L.) Juss. | Bignoniaceae | 8 |
| Tectaria heracleifolia | (Willd.) Underw. | Tectariaceae | 8 |
| Tectaria incisa | Cav. | Tectariaceae | 8 |
| Telanthophora grandifolia | (Less.) H.Rob. & Brettell | Asteraceae | 8 |
| Telmatoblechnum serrulatum | (Rich.) Perrie, D.J.Ohlsen & Brownsey | Blechnaceae | 8 |
| Tephrosia cinerea | (L.) Pers. | Fabaceae | 8 |
| Terminalia buceras | (L.) C.Wright | Combretaceae | 8 |
| Terminalia macrostachya | (Standl.) Alwan & Stace | Combretaceae | 8 |
| Terminalia oblonga | (Ruiz & Pav.) Steud. | Combretaceae | 8 |
| Ternstroemia tepezapote | Schltdl. & Cham. | Pentaphylacaceae | 8 |
| Tetramerium nervosum | Nees | Acanthaceae | 8 |
| Tetrapterys schiedeana | Schltdl. & Cham. | Malpighiaceae | 8 |
| Teucrium canadense | L. | Lamiaceae | 8 |
| Teucrium vesicarium | Mill. | Lamiaceae | 8 |
| Thalassia testudinum | Banks & Sol. ex K.D.Koenig | Hydrocharitaceae | 8 |
| Thalia geniculata | L. | Marantaceae | 8 |
| Thalictrum guatemalense | C.DC. & Rose | Ranunculaceae | 8 |
| Thevetia ahouai | A.DC. | Apocynaceae | 8 |
| Thouinidium decandrum | (Bonpl.) Radlk. | Sapindaceae | 8 |
| Thrinax radiata | Lodd. ex Schult. & Schult.f. | Arecaceae | 8 |
| Tigridia pavonia | (L.f.) Redouté | Iridaceae | 8 |
| Tillandsia balbisiana | Schult. & Schult.f. | Bromeliaceae | 8 |
| Tillandsia brachycaulos | Schltdl. | Bromeliaceae | 8 |
| Tillandsia bulbosa | Hook. | Bromeliaceae | 8 |
| Tillandsia butzii | Mez | Bromeliaceae | 8 |
| Tillandsia capitata | Griseb. | Bromeliaceae | 8 |
| Tillandsia caput-medusae | É.Morren | Bromeliaceae | 8 |
| Tillandsia comitanensis | Ehlers | Bromeliaceae | 8 |
| Tillandsia excelsa | Griseb. | Bromeliaceae | 8 |
| Tillandsia fasciculata | Sw. | Bromeliaceae | 8 |
| Tillandsia flabellata | Baker | Bromeliaceae | 8 |
| Tillandsia guatemalensis | L.B.Sm. | Bromeliaceae | 8 |
| Tillandsia ionantha | Planch. | Bromeliaceae | 8 |
| Tillandsia juncea | (Ruiz & Pav.) Poir. | Bromeliaceae | 8 |
| Tillandsia lampropoda | L.B.Sm. | Bromeliaceae | 8 |
| Tillandsia leiboldiana | Schltdl. | Bromeliaceae | 8 |
| Tillandsia lucida | É.Morren ex Baker | Bromeliaceae | 8 |
| Tillandsia multicaulis | Steud. | Bromeliaceae | 8 |
| Tillandsia paucifolia | Baker | Bromeliaceae | 8 |
| Tillandsia ponderosa | L.B.Sm. | Bromeliaceae | 8 |
| Tillandsia pruinosa | Sw. | Bromeliaceae | 8 |
| Tillandsia punctulata | Schltdl. & Cham. | Bromeliaceae | 8 |
| Tillandsia recurvata | (L.) L. | Bromeliaceae | 8 |
| Tillandsia rodrigueziana | Mez | Bromeliaceae | 8 |
| Tillandsia rotundata | (L.B.Sm.) C.S.Gardner | Bromeliaceae | 8 |
| Tillandsia schiedeana | Steud. | Bromeliaceae | 8 |
| Tillandsia seleriana | Mez | Bromeliaceae | 8 |
| Tillandsia streptophylla | Scheidw. | Bromeliaceae | 8 |
| Tillandsia tricolor | Schltdl. & Cham. | Bromeliaceae | 8 |
| Tillandsia usneoides | (L.) L. | Bromeliaceae | 8 |
| Tillandsia utriculata | L. | Bromeliaceae | 8 |
| Tillandsia variabilis | Schltdl. | Bromeliaceae | 8 |
| Tinantia erecta | (Jacq.) Fenzl | Commelinaceae | 8 |
| Tinantia standleyi | Steyerm. | Commelinaceae | 8 |
| Tithonia diversifolia | (Hemsl.) A.Gray | Asteraceae | 8 |
| Tithonia longiradiata | (Bertol.) S.F.Blake | Asteraceae | 8 |
| Tithonia rotundifolia | S.F.Blake | Asteraceae | 8 |
| Tithonia tubaeformis | (Jacq.) Cass. | Asteraceae | 8 |
| Torenia crustacea | (L.) Cham. & Schltdl. | Linderniaceae | 8 |
| Tournefortia gnaphalodes | (L.) Roem. & Schult. | Heliotropiaceae | 8 |
| Tourrettia lappacea | (L'Hér.) Willd. | Bignoniaceae | 8 |
| Trachypogon spicatus | (L.f.) Kuntze | Poaceae | 8 |
| Tradescantia commelinoides | Schult. & Schult.f. | Commelinaceae | 8 |
| Tradescantia crassifolia | Cav. | Commelinaceae | 8 |
| Tradescantia poelliae | D.R.Hunt | Commelinaceae | 8 |
| Tradescantia schippii | D.R.Hunt | Commelinaceae | 8 |
| Tradescantia zanonia | (L.) Sw. | Commelinaceae | 8 |
| Tragia nepetifolia | Cav. | Euphorbiaceae | 8 |
| Trema micranthum | (L.) Blume | Cannabaceae | 8 |
| Trianthema portulacastrum | L. | Aizoaceae | 8 |
| Trichilia havanensis | Jacq. | Meliaceae | 8 |
| Trichilia hirta | L. | Meliaceae | 8 |
| Trichilia martiana | C.DC. | Meliaceae | 8 |
| Trichilia trifolia | L. | Meliaceae | 8 |
| Trichocentrum ascendens | (Lindl.) M.W.Chase & N.H.Williams | Orchidaceae | 8 |
| Trichocentrum lindenii | (Brongn.) M.W.Chase & N.H.Williams | Orchidaceae | 8 |
| Trichocentrum luridum | (Lindl.) M.W.Chase & N.H.Williams | Orchidaceae | 8 |
| Trichogalium aschenbornii | (S.Schauer) Kadereit & Schneew. | Rubiaceae | 8 |
| Trichomanes elegans | Rich. | Hymenophyllaceae | 8 |
| Trichospermum mexicanum | (DC.) Baill. | Malvaceae | 8 |
| Trichostigma octandrum | (L.) H.Walter | Petiveriaceae | 8 |
| Trimezia martinicensis | (Jacq.) Herb. | Iridaceae | 8 |
| Trimezia steyermarkii | R.C.Foster | Iridaceae | 8 |
| Triolena hirsuta | Triana | Melastomataceae | 8 |
| Triphora gentianoides | (Sw.) Nutt. ex Ames & Schltr. | Orchidaceae | 8 |
| Triphora trianthophoros | (Sw.) Rydb. | Orchidaceae | 8 |
| Triplaris melaenodendron | (Bertol.) Standl. & Steyerm. | Polygonaceae | 8 |
| Triplasis purpurea | (Walter) Chapm. | Poaceae | 8 |
| Tripogandra amplexicaulis | (Klotzsch ex C.B.Clarke) Woodson | Commelinaceae | 8 |
| Tripogandra purpurascens | (S.Schauer) Handlos | Commelinaceae | 8 |
| Tripogandra serrulata | (Vahl) Handlos | Commelinaceae | 8 |
| Tripogonella spicata | (Nees) P.M.Peterson & Romasch. | Poaceae | 8 |
| Tripsacum dactyloides | (L.) L. | Poaceae | 8 |
| Triumfetta semitriloba | Jacq. | Malvaceae | 8 |
| Triumfetta speciosa | Seem. | Malvaceae | 8 |
| Trixis inula | Crantz | Asteraceae | 8 |
| Tropaeolum emarginatum | Turcz. | Tropaeolaceae | 8 |
| Trophis racemosa | (L.) Urb. | Moraceae | 8 |
| Turnera diffusa | Willd. ex Schult. | Passifloraceae | 8 |
| Turnera pumilea | L. | Passifloraceae | 8 |
| Turnera ulmifolia | L. | Passifloraceae | 8 |
| Turpinia occidentalis | (Sw.) G.Don | Staphyleaceae | 8 |
| Typha domingensis | Pers. | Typhaceae | 8 |
| Typha latifolia | L. | Typhaceae | 8 |
| Ugni myricoides | (Kunth) O.Berg | Myrtaceae | 8 |
| Ulmus ismaelis | Todzia & Panero | Ulmaceae | 8 |
| Ulmus mexicana | (Liebm.) Planch. | Ulmaceae | 8 |
| Urena lobata | L. | Malvaceae | 8 |
| Urera baccifera | (L.) Gaudich. ex Wedd. | Urticaceae | 8 |
| Urera caracasana | (Jacq.) Gaudich. ex Griseb. | Urticaceae | 8 |
| Urera laciniata | Wedd. | Urticaceae | 8 |
| Urvillea ulmacea | Kunth | Sapindaceae | 8 |
| Utricularia benjaminiana | Oliv. | Lentibulariaceae | 8 |
| Utricularia foliosa | L. | Lentibulariaceae | 8 |
| Utricularia gibba | L. | Lentibulariaceae | 8 |
| Utricularia hydrocarpa | Vahl | Lentibulariaceae | 8 |
| Utricularia juncea | Vahl | Lentibulariaceae | 8 |
| Utricularia pusilla | Vahl | Lentibulariaceae | 8 |
| Utricularia subulata | L. | Lentibulariaceae | 8 |
| Vaccinium consanguineum | Klotzsch | Ericaceae | 8 |
| Vaccinium leucanthum | Schltdl. | Ericaceae | 8 |
| Vaccinium poasanum | Donn.Sm. | Ericaceae | 8 |
| Vaccinium stenophyllum | Steud. | Ericaceae | 8 |
| Vachellia campeachiana | (Mill.) Seigler & Ebinger | Fabaceae | 8 |
| Vachellia collinsii | (Saff.) Seigler & Ebinger | Fabaceae | 8 |
| Vachellia cornigera | (L.) Seigler & Ebinger | Fabaceae | 8 |
| Vachellia farnesiana | (L.) Wight & Arn. | Fabaceae | 8 |
| Vachellia hindsii | (Benth.) Seigler & Ebinger | Fabaceae | 8 |
| Vachellia macracantha | (Humb. & Bonpl. ex Willd.) Seigler & Ebinger | Fabaceae | 8 |
| Vachellia pennatula | (Schltdl. & Cham.) Seigler & Ebinger | Fabaceae | 8 |
| Valeriana clematitis | Kunth | Caprifoliaceae | 8 |
| Valeriana scandens | L. | Caprifoliaceae | 8 |
| Valeriana sorbifolia | Kunth | Caprifoliaceae | 8 |
| Varronia curassavica | Jacq. | Cordiaceae | 8 |
| Varronia dichotoma | Ruiz & Pav. | Cordiaceae | 8 |
| Varronia spinescens | (L.) Borhidi | Cordiaceae | 8 |
| Verbena bipinnatifida | (Nutt.) Schauer | Verbenaceae | 8 |
| Verbena carolina | L. | Verbenaceae | 8 |
| Verbena litoralis | Kunth | Verbenaceae | 8 |
| Verbesina turbacensis | Kunth | Asteraceae | 8 |
| Vernonanthura patens | (Kunth) H.Rob. | Asteraceae | 8 |
| Veronica peregrina | L. | Plantaginaceae | 8 |
| Vigna luteola | (Jacq.) Benth. | Fabaceae | 8 |
| Vigna vexillata | (L.) A.Rich. | Fabaceae | 8 |
| Viguiera dentata | (Cav.) Spreng. | Asteraceae | 8 |
| Viola scandens | Humb. & Bonpl. ex Willd. | Violaceae | 8 |
| Vismia baccifera | (L.) Triana & Planch. | Hypericaceae | 8 |
| Vitex cooperi | Standl. | Lamiaceae | 8 |
| Vitex gaumeri | Greenm. | Lamiaceae | 8 |
| Vitis tiliifolia | Humb. & Bonpl. ex Schult. | Vitaceae | 8 |
| Vittaria lineata | (L.) Sm. | Pteridaceae | 8 |
| Vochysia guatemalensis | Donn.Sm. | Vochysiaceae | 8 |
| Volkameria aculeata | L. | Lamiaceae | 8 |
| Voyria aphylla | (Jacq.) Pers. | Gentianaceae | 8 |
| Voyria parasitica | (Schltdl. & Cham.) Ruyters & Maas | Gentianaceae | 8 |
| Voyria tenella | Guilding ex Hook. | Gentianaceae | 8 |
| Waltheria indica | L. | Malvaceae | 8 |
| Wedelia acapulcensis | Kunth | Asteraceae | 8 |
| Weinmannia balbisiana | Kunth | Cunoniaceae | 8 |
| Welfia regia | H.Wendl. | Arecaceae | 8 |
| Werauhia gladioliflora | (H.Wendl.) J.R.Grant | Bromeliaceae | 8 |
| Werauhia werckleana | (Mez) J.R.Grant | Bromeliaceae | 8 |
| Wigandia urens | (Ruiz & Pav.) Kunth | Namaceae | 8 |
| Wissadula amplissima | (L.) R.E.Fr. | Malvaceae | 8 |
| Witheringia meiantha | (Donn.Sm.) Hunz. | Solanaceae | 8 |
| Witheringia solanacea | L'Hér. | Solanaceae | 8 |
| Wolffia columbiana | H.Karst. | Araceae | 8 |
| Wullschlaegelia aphylla | (Sw.) Rchb.f. | Orchidaceae | 8 |
| Xanthosoma mexicanum | Liebm. | Araceae | 8 |
| Xanthosoma robustum | Schott | Araceae | 8 |
| Xanthosoma wendlandii | (Schott) Standl. | Araceae | 8 |
| Xestaea lisianthoides | Griseb. | Gentianaceae | 8 |
| Ximenia americana | L. | Olacaceae | 8 |
| Xiphidium caeruleum | Aubl. | Haemodoraceae | 8 |
| Xylopia aromatica | (Lam.) Mart. | Annonaceae | 8 |
| Xylosma flexuosa | (Kunth) Hemsl. | Salicaceae | 8 |
| Xylosma intermedia | (Seem.) Triana & Planch. | Salicaceae | 8 |
| Xyris ambigua | Beyr. ex Kunth | Xyridaceae | 8 |
| Xyris baldwiniana | Schult. | Xyridaceae | 8 |
| Xyris floridana | (Kral) E.L.Bridges & Orzell | Xyridaceae | 8 |
| Xyris jupicai | Rich. | Xyridaceae | 8 |
| Xyris smalliana | Nash | Xyridaceae | 8 |
| Yucca gigantea | Lem. | Asparagaceae | 8 |
| Zanthoxylum fagara | Sarg. | Rutaceae | 8 |
| Zanthoxylum melanostictum | Schltdl. & Cham. | Rutaceae | 8 |
| Zanthoxylum rhoifolium | Lam. | Rutaceae | 8 |
| Zanthoxylum schreberi | (J.F.Gmel.) Reynel | Rutaceae | 8 |
| Zapoteca formosa | (Kunth) H.M.Hern. | Fabaceae | 8 |
| Zephyranthes carinata | Herb. | Amaryllidaceae | 8 |
| Zephyranthes citrina | Baker | Amaryllidaceae | 8 |
| Zinnia elegans | Jacq. | Asteraceae | 8 |
| Zinnia peruviana | (L.) L. | Asteraceae | 8 |
| Zornia reticulata | Sm. | Fabaceae | 8 |
| Zornia thymifolia | Kunth | Fabaceae | 8 |
| Zostera marina | L. | Zosteraceae | 8 |
| Zuloagaea bulbosa | (Kunth) Bess | Poaceae | 8 |
| Zygia longifolia | (Humb. & Bonpl. ex Willd.) Britton & Rose | Fabaceae | 8 |
| Acanthocereus chiapensis | Bravo | Cactaceae | 7 |
| Agalinis peduncularis | (Benth.) Pennell | Orobanchaceae | 7 |
| Agarista mexicana | (Hemsl.) Judd | Ericaceae | 7 |
| Aiouea neurophylla | (Mez & Pittier) R.Rohde | Lauraceae | 7 |
| Aphananthe monoica | (Hemsl.) J.-F.Leroy | Cannabaceae | 7 |
| Asplenium harpeodes | Kunze | Aspleniaceae | 7 |
| Astragalus guatemalensis | Hemsl. | Fabaceae | 7 |
| Astrolepis crassifolia | (Houlston & T.Moore) D.M.Benham & Windham | Pteridaceae | 7 |
| Begonia oaxacana | A.DC. | Begoniaceae | 7 |
| Beilschmiedia pendula | (Sw.) Hemsl. | Lauraceae | 7 |
| Bonamia sulphurea | (Brandegee) Myint & D.B.Ward | Convolvulaceae | 7 |
| Bromus marginatus | Nees ex Steud. | Poaceae | 7 |
| Bunchosia nitida | (Jacq.) DC. | Malpighiaceae | 7 |
| Calatola costaricensis | Standl. | Metteniusaceae | 7 |
| Casearia aculeata | Jacq. | Salicaceae | 7 |
| Catasetum maculatum | Kunth | Orchidaceae | 7 |
| Centrosema sagittatum | (Humb. & Bonpl. ex Willd.) Brandegee | Fabaceae | 7 |
| Chloris radiata | (L.) Sw. | Poaceae | 7 |
| Christella hispidula | (Decne.) Holttum | Thelypteridaceae | 7 |
| Chrysanthellum indicum | DC. | Asteraceae | 7 |
| Cissampelos tropaeolifolia | DC. | Menispermaceae | 7 |
| Clethra lanata | M.Martens & Galeotti | Clethraceae | 7 |
| Clethra suaveolens | Turcz. | Clethraceae | 7 |
| Coelia guatemalensis | Rchb.f. | Orchidaceae | 7 |
| Costus lima | K.Schum. | Costaceae | 7 |
| Cyperus hortensis | (Salzm. ex Steud.) Dorr | Cyperaceae | 7 |
| Dalechampia spathulata | (Scheidw.) Baill. | Euphorbiaceae | 7 |
| Desmodium axillare | (Sw.) DC. | Fabaceae | 7 |
| Diplopterygium bancroftii | (Hook.) A.R.Sm. | Gleicheniaceae | 7 |
| Eleutheranthera ruderalis | (Sw.) Sch.Bip. | Asteraceae | 7 |
| Epidendrum cristatum | Ruiz & Pav. | Orchidaceae | 7 |
| Epidendrum myrianthum | Lindl. | Orchidaceae | 7 |
| Epidendrum veroscriptum | Hágsater | Orchidaceae | 7 |
| Eysenhardtia adenostylis | Baill. | Fabaceae | 7 |
| Faramea multiflora | A.Rich. ex DC. | Rubiaceae | 7 |
| Gnaphaliothamnus salicifolius | (Bertol.) G.L.Nesom | Asteraceae | 7 |
| Goeppertia coccinea | (Standl. & Steyerm.) Borchs. & S.Suárez | Marantaceae | 7 |
| Goeppertia inocephala | (Kuntze) Borchs. & S.Suárez | Marantaceae | 7 |
| Gymnosiphon divaricatus | (Benth.) Benth. & Hook.f. | Burmanniaceae | 7 |
| Hackelia mexicana | (Schltdl. & Cham.) I.M.Johnst. | Boraginaceae | 7 |
| Heisteria povedae | Q.Jiménez & S.Knapp | Olacaceae | 7 |
| Heliconia librata | Griggs | Heliconiaceae | 7 |
| Hygrophila costata | Nees | Acanthaceae | 7 |
| Ipomoea setosa | Ker Gawl. | Convolvulaceae | 7 |
| Lasiacis nigra | Davidse | Poaceae | 7 |
| Lemeltonia monadelpha | (É.Morren) Barfuss & W.Till | Bromeliaceae | 7 |
| Leuenbergeria lychnidiflora | (DC.) Lodé | Cactaceae | 7 |
| Lonchocarpus guatemalensis | Benth. | Fabaceae | 7 |
| Machaonia erythrocarpa | (Standl.) Borhidi | Rubiaceae | 7 |
| Malaxis excavata | (Lindl.) Kuntze | Orchidaceae | 7 |
| Malaxis maianthemifolia | Schltdl. & Cham. | Orchidaceae | 7 |
| Manihot aesculifolia | (Kunth) Pohl | Euphorbiaceae | 7 |
| Maxillaria elatior | (Rchb.f.) Rchb.f. | Orchidaceae | 7 |
| Maxillaria lineolata | (Fenzl) Molinari | Orchidaceae | 7 |
| Myriocarpa heterospicata | Donn.Sm. | Urticaceae | 7 |
| Myriocarpa longipes | Liebm. | Urticaceae | 7 |
| Olfersia cervina | Kunze | Dryopteridaceae | 7 |
| Olyra latifolia | L. | Poaceae | 7 |
| Ophioglossum nudicaule | L.f. | Ophioglossaceae | 7 |
| Oreopanax sanderianus | Hemsl. | Araliaceae | 7 |
| Orthoclada laxa | (Rich.) P.Beauv. | Poaceae | 7 |
| Paepalanthus fluviatilis | (Aubl.) Christenh. & Byng | Eriocaulaceae | 7 |
| Passiflora serratifolia | L. | Passifloraceae | 7 |
| Persicaria meisneriana | (Cham. & Schltdl.) M.Gómez | Polygonaceae | 7 |
| Phyllonoma laticuspis | (Turcz.) Engl. | Phyllonomaceae | 7 |
| Pinguicula crenatiloba | A.DC. | Lentibulariaceae | 7 |
| Pinus luzmariae | Pérez de la Rosa | Pinaceae | 7 |
| Pontederia heterosperma | (Alexander) M.Pell. & C.N.Horn | Pontederiaceae | 7 |
| Prosthechea rhynchophora | (A.Rich. & Galeotti) W.E.Higgins | Orchidaceae | 7 |
| Prunus salasii | Standl. | Rosaceae | 7 |
| Pseudalcantarea viridiflora | (Beer) Pinzón & Barfuss | Bromeliaceae | 7 |
| Pseudognaphalium viscosum | (Kunth) Anderb. | Asteraceae | 7 |
| Psychotria biaristata | Bartl. ex DC. | Rubiaceae | 7 |
| Psychotria horizontalis | Sw. | Rubiaceae | 7 |
| Rhynchospora brachychaeta | C.Wright | Cyperaceae | 7 |
| Rubus urticifolius | Poir. | Rosaceae | 7 |
| Ruehssia lanata | (Paul G.Wilson) L.O.Alvarado | Apocynaceae | 7 |
| Salvia recurva | Benth. | Lamiaceae | 7 |
| Securidaca diversifolia | (L.) S.F.Blake | Polygalaceae | 7 |
| Serjania cardiospermoides | Schltdl. & Cham. | Sapindaceae | 7 |
| Sisyrinchium tinctorium | Kunth | Iridaceae | 7 |
| Struthanthus interruptus | G.Don | Loranthaceae | 7 |
| Tephrosia multifolia | Rose | Fabaceae | 7 |
| Tephrosia nicaraguensis | Oerst. | Fabaceae | 7 |
| Tetranema roseum | (M.Martens & Galeotti) Standl. & Steyerm. | Plantaginaceae | 7 |
| Tripogandra disgrega | (Kunth) Woodson | Commelinaceae | 7 |
| Vanilla inodora | Schiede | Orchidaceae | 7 |
| Verbesina ovatifolia | A.Gray ex Hemsl. | Asteraceae | 7 |
| Virola sebifera | Aubl. | Myristicaceae | 7 |
| Vismia billbergiana | Beurl. | Hypericaceae | 7 |
| Vismia macrophylla | Kunth | Hypericaceae | 7 |
| Woodwardia spinulosa | M.Martens & Galeotti | Blechnaceae | 7 |
| Zapoteca portoricensis | (Jacq.) H.M.Hern. | Fabaceae | 7 |
| Abutilon andrieuxii | Hemsl. | Malvaceae | 6 |
| Acalypha skutchii | I.M.Johnst. | Euphorbiaceae | 6 |
| Achimenes pedunculata | Benth. | Gesneriaceae | 6 |
| Acianthera circumplexa | (Lindl.) Pridgeon & M.W.Chase | Orchidaceae | 6 |
| Adenostemma platyphyllum | Cass. | Asteraceae | 6 |
| Adiantum humile | Kunze | Pteridaceae | 6 |
| Adiantum tetraphyllum | Humb. & Bonpl. ex Willd. | Pteridaceae | 6 |
| Alchornea costaricensis | Pax & K.Hoffm. | Euphorbiaceae | 6 |
| Allium glandulosum | Link & Otto | Amaryllidaceae | 6 |
| Androlepis skinneri | (K.Koch) Brongn. ex Houllet | Bromeliaceae | 6 |
| Anthephora hermaphrodita | (L.) Kuntze | Poaceae | 6 |
| Atriplex cristata | Humb. & Bonpl. ex Willd. | Chenopodiaceae | 6 |
| Bacopa rotundifolia | (Michx.) Wettst. | Plantaginaceae | 6 |
| Bakeridesia pittieri | (Donn.Sm.) D.M.Bates | Malvaceae | 6 |
| Begonia convallariodora | C.DC. | Begoniaceae | 6 |
| Begonia heydei | C.DC. | Begoniaceae | 6 |
| Bernoullia flammea | Oliv. | Malvaceae | 6 |
| Bonellia nervosa | (C.Presl) B.Ståhl & Källersjö | Primulaceae | 6 |
| Bouteloua diversispicula | Columbus | Poaceae | 6 |
| Buchnera obliqua | Benth. | Orobanchaceae | 6 |
| Canavalia brasiliensis | Mart. ex Benth. | Fabaceae | 6 |
| Catopsis oerstediana | Mez | Bromeliaceae | 6 |
| Cecropia insignis | Liebm. | Urticaceae | 6 |
| Chiococca filipes | Lundell | Rubiaceae | 6 |
| Clematis polygama | Jacq. | Ranunculaceae | 6 |
| Clowesia russelliana | (Hook.) Dodson | Orchidaceae | 6 |
| Cojoba sophorocarpa | (Benth.) Britton & Rose | Fabaceae | 6 |
| Columnea sulfurea | Donn.Sm. | Gesneriaceae | 6 |
| Cornutia pyramidata | L. | Lamiaceae | 6 |
| Costus villosissimus | Jacq. | Costaceae | 6 |
| Coutarea hexandra | (Jacq.) K.Schum. | Rubiaceae | 6 |
| Crossopetalum parviflorum | (Hemsl.) Lundell | Celastraceae | 6 |
| Crotalaria longirostrata | Hook. & Arn. | Fabaceae | 6 |
| Croton argenteus | L. | Euphorbiaceae | 6 |
| Cryosophila warscewiczii | (H.Wendl.) Bartlett | Arecaceae | 6 |
| Culcita coniifolia | (Hook.) Maxon | Culcitaceae | 6 |
| Cuphea calophylla | Cham. & Schltdl. | Lythraceae | 6 |
| Cuphea nudicostata | Hemsl. | Lythraceae | 6 |
| Cyclanthera pedata | (L.) Schrad. | Cucurbitaceae | 6 |
| Cyperus amabilis | Vahl | Cyperaceae | 6 |
| Dichaea graminoides | (Sw.) Lindl. | Orchidaceae | 6 |
| Dichaea panamensis | Lindl. | Orchidaceae | 6 |
| Dicliptera unguiculata | Nees | Acanthaceae | 6 |
| Dimerandra emarginata | (G.Mey.) Hoehne | Orchidaceae | 6 |
| Diospyros yatesiana | Standl. | Ebenaceae | 6 |
| Epidendrum aberrans | Schltr. | Orchidaceae | 6 |
| Epidendrum chlorocorymbos | Schltr. | Orchidaceae | 6 |
| Epidendrum eximium | L.O.Williams | Orchidaceae | 6 |
| Erycina pusilla | (L.) N.H.Williams & M.W.Chase | Orchidaceae | 6 |
| Eryngium gracile | F.Delaroche | Apiaceae | 6 |
| Euphorbia xalapensis | Kunth | Euphorbiaceae | 6 |
| Euploca filiformis | (Lehm.) J.I.M.Melo & Semir | Heliotropiaceae | 6 |
| Euploca fruticosa | (L.) J.I.M.Melo & Semir | Heliotropiaceae | 6 |
| Floscopa robusta | (Seub.) C.B.Clarke | Commelinaceae | 6 |
| Galeana pratensis | Rydb. | Asteraceae | 6 |
| Govenia capitata | Lindl. | Orchidaceae | 6 |
| Halodule wrightii | Asch. | Cymodoceaceae | 6 |
| Heteropterys laurifolia | (L.) A.Juss. | Malpighiaceae | 6 |
| Hydrangea albostellata | Samain, Najarro & E.Martínez | Hydrangeaceae | 6 |
| Hyptis atrorubens | Poit. | Lamiaceae | 6 |
| Isochilus carnosiflorus | Lindl. | Orchidaceae | 6 |
| Justicia carthaginensis | Jacq. | Acanthaceae | 6 |
| Karwinskia calderonii | Standl. | Rhamnaceae | 6 |
| Laelia superbiens | Lindl. | Orchidaceae | 6 |
| Lobelia xalapensis | Kunth | Campanulaceae | 6 |
| Lonchocarpus lanceolatus | Benth. | Fabaceae | 6 |
| Macroptilium gracile | (Poepp. ex Benth.) Urb. | Fabaceae | 6 |
| Mammillaria karwinskiana | Mart. | Cactaceae | 6 |
| Maxillaria alba | (Hook.) Lindl. | Orchidaceae | 6 |
| Maxillaria hagsateriana | Soto Arenas | Orchidaceae | 6 |
| Maxillaria macleei | Bateman ex Lindl. | Orchidaceae | 6 |
| Maxillaria meleagris | Lindl. | Orchidaceae | 6 |
| Miconia approximata | Gamba & Almeda | Melastomataceae | 6 |
| Miconia donaeana | Naudin | Melastomataceae | 6 |
| Miconia guatemalensis | Cogn. ex Donn.Sm. | Melastomataceae | 6 |
| Miconia platyphylla | (Benth.) L.O.Williams | Melastomataceae | 6 |
| Miconia trinervia | D.Don ex Loudon | Melastomataceae | 6 |
| Microchloa kunthii | Desv. | Poaceae | 6 |
| Microdesmia arborea | (Seem.) Sothers & Prance | Chrysobalanaceae | 6 |
| Micropleura renifolia | Lag. | Apiaceae | 6 |
| Mosquitoxylum jamaicense | Krug & Urb. | Anacardiaceae | 6 |
| Muhlenbergia versicolor | Swallen | Poaceae | 6 |
| Myrcia bartlettii | (Standl.) A.R.Lourenço & Sánchez-Cháv. | Myrtaceae | 6 |
| Naucleopsis naga | Pittier | Moraceae | 6 |
| Nephrolepis pectinata | (Willd.) Schott | Nephrolepidaceae | 6 |
| Opuntia guatemalensis | Britton & Rose | Cactaceae | 6 |
| Paspalum nutans | Lam. | Poaceae | 6 |
| Peperomia lancifolia | Hook. | Piperaceae | 6 |
| Peperomia magnoliifolia | (Jacq.) A.Dietr. | Piperaceae | 6 |
| Peperomia rhombea | Ruiz & Pav. | Piperaceae | 6 |
| Philodendron tripartitum | (Jacq.) Schott | Araceae | 6 |
| Pilosocereus chrysacanthus | (F.A.C.Weber ex K.Schum.) Byles & G.D.Rowley | Cactaceae | 6 |
| Piper jacquemontianum | Kunth | Piperaceae | 6 |
| Pitcairnia imbricata | (Brongn.) Regel | Bromeliaceae | 6 |
| Pleurothallis pruinosa | Lindl. | Orchidaceae | 6 |
| Podostemum ceratophyllum | Michx. | Podostemaceae | 6 |
| Polypodium rhodopleuron | Kunze | Polypodiaceae | 6 |
| Prescottia oligantha | (Sw.) Lindl. | Orchidaceae | 6 |
| Prockia crucis | P.Browne ex L. | Salicaceae | 6 |
| Prosthechea pygmaea | (Hook.) W.E.Higgins | Orchidaceae | 6 |
| Quercus vicentensis | Trel. | Fagaceae | 6 |
| Rhipidocladum pittieri | (Hack.) McClure | Poaceae | 6 |
| Rossioglossum ampliatum | (Lindl.) M.W.Chase & N.H.Williams | Orchidaceae | 6 |
| Sageretia elegans | (Kunth) Brongn. | Rhamnaceae | 6 |
| Salmea scandens | (L.) DC. | Asteraceae | 6 |
| Salpichlaena volubilis | (Kaulf.) J.Sm. | Blechnaceae | 6 |
| Sapium macrocarpum | Müll.Arg. | Euphorbiaceae | 6 |
| Satyria panurensis | (Benth. ex Meisn.) Benth. & Hook.f. ex Nied. | Ericaceae | 6 |
| Schultesia guianensis | (Aubl.) Malme | Gentianaceae | 6 |
| Senna papillosa | (Britton & Rose) H.S.Irwin & Barneby | Fabaceae | 6 |
| Senna polyphylla | (Jacq.) H.S.Irwin & Barneby | Fabaceae | 6 |
| Sigmoidotropis speciosa | (Kunth) A.Delgado | Fabaceae | 6 |
| Sobralia xantholeuca | B.S.Williams | Orchidaceae | 6 |
| Sporobolus purpurascens | (Sw.) Ham. | Poaceae | 6 |
| Stanhopea ecornuta | Lem. | Orchidaceae | 6 |
| Stelis megachlamys | (Schltr.) Pupulin | Orchidaceae | 6 |
| Stelis poasensis | (Ames) Chinchilla & Karremans | Orchidaceae | 6 |
| Stevia caracasana | DC. | Asteraceae | 6 |
| Stevia jorullensis | Kunth | Asteraceae | 6 |
| Sticherus furcatus | (L.) Ching | Gleicheniaceae | 6 |
| Strychnos brachistantha | Standl. | Loganiaceae | 6 |
| Tillandsia cucaensis | Wittm. | Bromeliaceae | 6 |
| Tillandsia lautneri | Ehlers | Bromeliaceae | 6 |
| Toxicodendron striatum | Kuntze | Anacardiaceae | 6 |
| Tragia volubilis | L. | Euphorbiaceae | 6 |
| Trichocentrum brachyphyllum | (Lindl.) R.Jiménez | Orchidaceae | 6 |
| Trichodrymonia metamorphophylla | (Donn.Sm.) M.M.Mora & J.L.Clark | Gesneriaceae | 6 |
| Trichomanes pinnatum | Hedw. | Hymenophyllaceae | 6 |
| Unonopsis pittieri | Saff. | Annonaceae | 6 |
| Urochloa polystachya | (Kunth) Mabb. | Poaceae | 6 |
| Urostephanus gonoloboides | B.L.Rob. & Greenm. | Apocynaceae | 6 |
| Utricularia hispida | Lam. | Lentibulariaceae | 6 |
| Vanilla planifolia | Andrews | Orchidaceae | 6 |
| Varronia bullata | L. | Cordiaceae | 6 |
| Vasconcellea cauliflora | (Jacq.) A.DC. | Caricaceae | 6 |
| Viola nannei | Pol. | Violaceae | 6 |
| Vittaria graminifolia | Kaulf. | Pteridaceae | 6 |
| Weinmannia fagaroides | Kunth | Cunoniaceae | 6 |
| Abutilon hulseanum | (Torr. & A.Gray) Torr. ex Baker f. | Malvaceae | 5 |
| Aciotis indecora | (Bonpl.) Triana | Melastomataceae | 5 |
| Aeschynomene rudis | Benth. | Fabaceae | 5 |
| Agave scabra | Ortega | Asparagaceae | 5 |
| Alfaroa hondurensis | L.O.Williams ex W.E.Manning | Juglandaceae | 5 |
| Allophylus cominia | (L.) Sw. | Sapindaceae | 5 |
| Annona montana | Macfad. | Annonaceae | 5 |
| Anthurium ravenii | Croat & R.A.Baker | Araceae | 5 |
| Ardisia pellucida | Oerst. | Primulaceae | 5 |
| Aristida schiedeana | Trin. & Rupr. | Poaceae | 5 |
| Aristolochia stevensii | Barringer | Aristolochiaceae | 5 |
| Arpophyllum spicatum | Lex. | Orchidaceae | 5 |
| Asemeia violacea | (Aubl.) J.F.B.Pastore & J.R.Abbott | Polygalaceae | 5 |
| Aspidosperma megalocarpon | Müll.Arg. | Apocynaceae | 5 |
| Asplenium serratum | L. | Aspleniaceae | 5 |
| Asplenium sessilifolium | Desv. | Aspleniaceae | 5 |
| Baccharis lancifolia | Less. | Asteraceae | 5 |
| Bacopa salzmannii | (Benth.) Edwall | Plantaginaceae | 5 |
| Bakeridesia gloriosa | D.M.Bates | Malvaceae | 5 |
| Bidens riparia | Kunth | Asteraceae | 5 |
| Blechnum polypodioides | Raddi | Blechnaceae | 5 |
| Bulbostylis tenuifolia | (Rudge) J.F.Macbr. | Cyperaceae | 5 |
| Bunchosia biocellata | Schltdl. | Malpighiaceae | 5 |
| Bunchosia macrophylla | Rose | Malpighiaceae | 5 |
| Canavalia ensiformis | (L.) DC. | Fabaceae | 5 |
| Carex jamesonii | Boott | Cyperaceae | 5 |
| Cassipourea elliptica | (Sw.) Poir. | Rhizophoraceae | 5 |
| Catasetum viridiflavum | Hook. | Orchidaceae | 5 |
| Chloropetalum denticulatum | (Vahl) Morillo | Apocynaceae | 5 |
| Chromolaena quercetorum | (L.O.Williams) R.M.King & H.Rob. | Asteraceae | 5 |
| Cleome gigantea | L. | Cleomaceae | 5 |
| Cleome pilosa | Benth. | Cleomaceae | 5 |
| Clibadium arboreum | Donn.Sm. | Asteraceae | 5 |
| Coccoloba acuminata | Kunth | Polygonaceae | 5 |
| Coccoloba barbadensis | Jacq. | Polygonaceae | 5 |
| Coccoloba swartzii | Meisn. | Polygonaceae | 5 |
| Colubrina elliptica | (Sw.) Briz. & W.L.Stern | Rhamnaceae | 5 |
| Commelina rufipes | Seub. | Commelinaceae | 5 |
| Crotalaria maypurensis | Kunth | Fabaceae | 5 |
| Croton trinitatis | Millsp. | Euphorbiaceae | 5 |
| Croton xalapensis | Kunth | Euphorbiaceae | 5 |
| Cuervea kappleriana | (Miq.) A.C.Sm. | Celastraceae | 5 |
| Cyathea multiflora | Sm. | Cyatheaceae | 5 |
| Cyperus laxus | Lam. | Cyperaceae | 5 |
| Cyperus mutisii | (Kunth) Andersson | Cyperaceae | 5 |
| Dalea tomentosa | (Cav.) Willd. | Fabaceae | 5 |
| Daphnopsis ficina | Standl. & Steyerm. | Thymelaeaceae | 5 |
| Deiregyne falcata | (L.O.Williams) Garay | Orchidaceae | 5 |
| Desmodium affine | Schltdl. | Fabaceae | 5 |
| Dianthera candelariae | (Oerst.) Hemsl. | Acanthaceae | 5 |
| Dichaea morrisii | Fawc. & Rendle | Orchidaceae | 5 |
| Didymoglossum petersii | (A.Gray) Copel. | Hymenophyllaceae | 5 |
| Dioscorea bartlettii | C.V.Morton | Dioscoreaceae | 5 |
| Dorstenia choconiana | S.Watson | Moraceae | 5 |
| Echinopepon racemosus | (Steud.) C.Jeffrey | Cucurbitaceae | 5 |
| Eleocharis flavescens | (Poir.) Urb. | Cyperaceae | 5 |
| Epidendrum parkinsonianum | Hook. | Orchidaceae | 5 |
| Epiphyllum hookeri | Haw. | Cactaceae | 5 |
| Eugenia rhombea | (O.Berg) Krug & Urb. | Myrtaceae | 5 |
| Fridericia patellifera | (Schltdl.) L.G.Lohmann | Bignoniaceae | 5 |
| Geonoma interrupta | (Ruiz & Pav.) Mart. | Arecaceae | 5 |
| Godmania aesculifolia | (Kunth) Standl. | Bignoniaceae | 5 |
| Goldmanella sarmentosa | Greenm. | Asteraceae | 5 |
| Grias cauliflora | L. | Lecythidaceae | 5 |
| Guarea glabra | Vahl | Meliaceae | 5 |
| Guarianthe skinneri | (Bateman) Dressler & W.E.Higgins | Orchidaceae | 5 |
| Guettarda combsii | Urb. | Rubiaceae | 5 |
| Guettarda foliacea | Standl. | Rubiaceae | 5 |
| Heliconia adflexa | Standl. | Heliconiaceae | 5 |
| Henriettea fascicularis | (Sw.) M.Gómez | Melastomataceae | 5 |
| Hydrochorea leucocalyx | (Britton & Rose) Iganci, M.V.B.Soares & M.P.Morim | Fabaceae | 5 |
| Ilex lamprophylla | Standl. | Aquifoliaceae | 5 |
| Inga sapindoides | Willd. | Fabaceae | 5 |
| Iresine angustifolia | Euphrasén | Amaranthaceae | 5 |
| Klaprothia fasciculata | (C.Presl) Poston | Loasaceae | 5 |
| Lepidaploa tortuosa | (L.) H.Rob. | Asteraceae | 5 |
| Lindsaea lancea | (L.) Bedd. | Lindsaeaceae | 5 |
| Lomaridium fragile | (Liebm.) Gasper & V.A.O.Dittrich | Blechnaceae | 5 |
| Lonchitis hirsuta | L. | Lonchitidaceae | 5 |
| Lopezia hirsuta | Jacq. | Onagraceae | 5 |
| Manihot rhomboidea | Müll.Arg. | Euphorbiaceae | 5 |
| Marina scopa | Barneby | Fabaceae | 5 |
| Masdevallia floribunda | Lindl. | Orchidaceae | 5 |
| Maxillaria friedrichsthalii | Rchb.f. | Orchidaceae | 5 |
| Maxillaria fulgens | (Rchb.f.) L.O.Williams | Orchidaceae | 5 |
| Meiracyllium trinasutum | Rchb.f. | Orchidaceae | 5 |
| Melothria trilobata | Cogn. | Cucurbitaceae | 5 |
| Mesosphaerum sidifolium | (L'Hér.) Harley & J.F.B.Pastore | Lamiaceae | 5 |
| Miconia affinis | DC. | Melastomataceae | 5 |
| Miconia minutiflora | (Bonpl.) DC. | Melastomataceae | 5 |
| Mikania leiostachya | Benth. | Asteraceae | 5 |
| Mimosa platycarpa | Benth. | Fabaceae | 5 |
| Mimosa somnians | Humb. & Bonpl. ex Willd. | Fabaceae | 5 |
| Montrichardia arborescens | (L.) Schott | Araceae | 5 |
| Napeanthus bracteatus | C.V.Morton | Gesneriaceae | 5 |
| Nectandra mollis | (Kunth) Nees | Lauraceae | 5 |
| Odontonema glabrum | Brandegee | Acanthaceae | 5 |
| Opuntia lutea | (Rose) D.R.Hunt | Cactaceae | 5 |
| Ornithocephalus inflexus | Lindl. | Orchidaceae | 5 |
| Palicourea domingensis | (Jacq.) DC. | Rubiaceae | 5 |
| Palicourea triphylla | DC. | Rubiaceae | 5 |
| Passiflora guatemalensis | S.Watson | Passifloraceae | 5 |
| Passiflora platyloba | Killip | Passifloraceae | 5 |
| Pavonia castaneifolia | A.St.-Hil. & Naudin | Malvaceae | 5 |
| Pentalinon andrieuxii | (Müll.Arg.) B.F.Hansen & Wunderlin | Apocynaceae | 5 |
| Peperomia adscendens | C.DC. | Piperaceae | 5 |
| Peperomia berlandieri | Miq. | Piperaceae | 5 |
| Persicaria hispida | (Kunth) M.Gómez | Polygonaceae | 5 |
| Philodendron aurantiifolium | Schott | Araceae | 5 |
| Phyllanthus elsiae | Urb. | Phyllanthaceae | 5 |
| Pilea pubescens | Liebm. | Urticaceae | 5 |
| Pinguicula lilacina | Schltdl. & Cham. | Lentibulariaceae | 5 |
| Pleopeltis furfuracea | (Schltdl. & Cham.) A.R.Sm. & Tejero | Polypodiaceae | 5 |
| Pleopeltis thyssanolepis | (A.Braun ex Klotzsch) E.G.Andrews & Windham | Polypodiaceae | 5 |
| Pleurothallis quadrifida | (Lex.) Lindl. | Orchidaceae | 5 |
| Pseudabutilon umbellatum | (L.) Fryxell | Malvaceae | 5 |
| Pseudalbizzia niopoides | (Spruce ex Benth.) E.J.M.Koenen & Duno | Fabaceae | 5 |
| Pseudechinolaena polystachya | (Kunth) Stapf | Poaceae | 5 |
| Pseuderanthemum verapazense | Donn.Sm. | Acanthaceae | 5 |
| Psychotria micrantha | Kunth | Rubiaceae | 5 |
| Pterocarpus officinalis | Jacq. | Fabaceae | 5 |
| Pterocarpus rohrii | Vahl | Fabaceae | 5 |
| Quercus benthamii | A.DC. | Fagaceae | 5 |
| Rhynchospora cephalotes | (L.) Vahl | Cyperaceae | 5 |
| Rhynchospora rugosa | (Vahl) Gale | Cyperaceae | 5 |
| Rhynchospora scirpoides | (Torr.) Griseb. | Cyperaceae | 5 |
| Rinorea hummelii | Sprague | Violaceae | 5 |
| Rourea glabra | Kunth | Connaraceae | 5 |
| Rovaeanthus strigosus | (Benth.) Borhidi | Rubiaceae | 5 |
| Sabdariffa costata | (A.Rich.) M.M.Hanes & R.L.Barrett | Malvaceae | 5 |
| Sabicea villosa | Willd. ex Schult. | Rubiaceae | 5 |
| Salvia shannonii | Donn.Sm. | Lamiaceae | 5 |
| Sapranthus violaceus | (Dunal) Saff. | Annonaceae | 5 |
| Sarcomphalus joazeiro | (Mart.) Hauenschild | Rhamnaceae | 5 |
| Schlegelia nicaraguensis | Standl. | Schlegeliaceae | 5 |
| Senna nicaraguensis | (Benth.) H.S.Irwin & Barneby | Fabaceae | 5 |
| Sida glabra | Mill. | Malvaceae | 5 |
| Sida repens | Cav. | Malvaceae | 5 |
| Smallanthus oaxacanus | (Klatt) H.Rob. | Asteraceae | 5 |
| Sobralia decora | Bateman | Orchidaceae | 5 |
| Solanum lanceifolium | Jacq. | Solanaceae | 5 |
| Solanum myriacanthum | Dunal | Solanaceae | 5 |
| Solanum rovirosanum | Donn.Sm. | Solanaceae | 5 |
| Spermacoce suaveolens | (G.Mey.) Kuntze | Rubiaceae | 5 |
| Stanhopea dodsoniana | Salazar & Soto Arenas | Orchidaceae | 5 |
| Stelis immersa | (Linden & Rchb.f.) Pridgeon & M.W.Chase | Orchidaceae | 5 |
| Stemodia peduncularis | Benth. | Plantaginaceae | 5 |
| Swartzia cubensis | (Britton & P.Wilson) Standl. | Fabaceae | 5 |
| Symphoricarpos microphyllus | (Humb. & Bonpl. ex Schult.) Kunth | Caprifoliaceae | 5 |
| Tabernaemontana arborea | Rose | Apocynaceae | 5 |
| Taxus globosa | Schltdl. | Taxaceae | 5 |
| Tectaria mexicana | (Fée) C.V.Morton | Tectariaceae | 5 |
| Ternstroemia lineata | DC. | Pentaphylacaceae | 5 |
| Theobroma grandiflorum | (Willd. ex Spreng.) K.Schum. | Malvaceae | 5 |
| Thibaudia costaricensis | Hoerold | Ericaceae | 5 |
| Tillandsia heliconioides | Kunth | Bromeliaceae | 5 |
| Tillandsia polystachia | (L.) L. | Bromeliaceae | 5 |
| Trichosalpinx blaisdellii | (S.Watson) Luer | Orchidaceae | 5 |
| Uniola pittieri | Hack. | Poaceae | 5 |
| Vailia anomala | (Brandegee) W.D.Stevens | Apocynaceae | 5 |
| Vanilla pompona | Schiede | Orchidaceae | 5 |
| Vernonia arborescens | (L.) Sw. | Asteraceae | 5 |
| Viburnum hartwegii | Benth. | Viburnaceae | 5 |
| Wimmeria pubescens | Radlk. | Celastraceae | 5 |
| Zygia conzattii | (Standl.) Britton & Rose | Fabaceae | 5 |
| Adenophyllum porophyllum | (Cav.) Hemsl. | Asteraceae | 4 |
| Aechmea lueddemanniana | (K.Koch) Mez | Bromeliaceae | 4 |
| Aechmea pubescens | Baker | Bromeliaceae | 4 |
| Aiouea grisebachii | (Lorea-Hern.) Rohwer | Lauraceae | 4 |
| Anthurium huixtlense | Matuda | Araceae | 4 |
| Archibaccharis schiedeana | (Benth.) J.D.Jacks. | Asteraceae | 4 |
| Ardisia bracteosa | A.DC. | Primulaceae | 4 |
| Ardisia opegrapha | Oerst. | Primulaceae | 4 |
| Ardisia paschalis | Donn.Sm. | Primulaceae | 4 |
| Arracacia bracteata | J.M.Coult. & Rose | Apiaceae | 4 |
| Arthrostemma alatum | Triana | Melastomataceae | 4 |
| Besleria laxiflora | Benth. | Gesneriaceae | 4 |
| Bignonia neoheterophylla | L.G.Lohmann | Bignoniaceae | 4 |
| Bignonia potosina | (K.Schum. & Loes.) L.G.Lohmann | Bignoniaceae | 4 |
| Bouteloua simplex | Lag. | Poaceae | 4 |
| Brownea ariza | Benth. | Fabaceae | 4 |
| Calliandra tergemina | (L.) Benth. | Fabaceae | 4 |
| Canavalia hirsutissima | J.D.Sauer | Fabaceae | 4 |
| Cardamine ovata | Benth. | Brassicaceae | 4 |
| Carpotroche platyptera | Pittier | Achariaceae | 4 |
| Celosia virgata | Jacq. | Amaranthaceae | 4 |
| Centradenia floribunda | Planch. | Melastomataceae | 4 |
| Chamaecrista diphylla | (L.) Greene | Fabaceae | 4 |
| Cionosicys macranthus | (Pittier) C.Jeffrey | Cucurbitaceae | 4 |
| Cissus cacuminis | Standl. | Vitaceae | 4 |
| Citharexylum crassifolium | Greenm. | Verbenaceae | 4 |
| Citharexylum mocinoi | D.Don | Verbenaceae | 4 |
| Clematis acapulcensis | Hook. & Arn. | Ranunculaceae | 4 |
| Clethra vicentina | Standl. | Clethraceae | 4 |
| Clitoria mexicana | Link | Fabaceae | 4 |
| Clusia torresii | Standl. | Clusiaceae | 4 |
| Coccoloba hondurensis | Lundell | Polygonaceae | 4 |
| Cochlospermum palmatifidum | (DC.) Byng & Christenh. | Bixaceae | 4 |
| Corchorus orinocensis | Kunth | Malvaceae | 4 |
| Critonia daleoides | DC. | Asteraceae | 4 |
| Croton glabellus | L. | Euphorbiaceae | 4 |
| Croton glandulosepalus | Millsp. | Euphorbiaceae | 4 |
| Ctenodon histrix | (Poir.) D.B.O.S.Cardoso, P.L.R.Moraes & H.C.Lima | Fabaceae | 4 |
| Cyathula achyranthoides | (Kunth) Moq. | Amaranthaceae | 4 |
| Dalbergia brownei | (Jacq.) Schinz | Fabaceae | 4 |
| Declieuxia fruticosa | (Willd.) Kuntze | Rubiaceae | 4 |
| Desmodium distortum | (Aubl.) J.F.Macbr. | Fabaceae | 4 |
| Dichaea squarrosa | Lindl. | Orchidaceae | 4 |
| Dictyostega orobanchoides | (Hook.) Miers | Burmanniaceae | 4 |
| Diphysa floribunda | Peyr. | Fabaceae | 4 |
| Diplazium striatastrum | Lellinger | Athyriaceae | 4 |
| Encyclia belizensis | (Rchb.f.) Schltr. | Orchidaceae | 4 |
| Epidendrum eburneum | Rchb.f. | Orchidaceae | 4 |
| Epidendrum microcharis | Rchb.f. | Orchidaceae | 4 |
| Epidendrum porpax | Rchb.f. | Orchidaceae | 4 |
| Erythrina rubrinervia | Kunth | Fabaceae | 4 |
| Erythroxylum macrophyllum | Cav. | Erythroxylaceae | 4 |
| Euphorbia bahiensis | (Klotzsch & Garcke) Boiss. | Euphorbiaceae | 4 |
| Euphorbia ocymoidea | L. | Euphorbiaceae | 4 |
| Fairchildia panamensis | (Benth.) Britton & Rose | Fabaceae | 4 |
| Ficus velutina | Humb. & Bonpl. ex Willd. | Moraceae | 4 |
| Forsteronia spicata | (Jacq.) G.Mey. | Apocynaceae | 4 |
| Gaga marginata | (Kunth) Fay W.Li & Windham | Pteridaceae | 4 |
| Garcinia intermedia | (Pittier) Hammel | Clusiaceae | 4 |
| Gaya minutiflora | Rose | Malvaceae | 4 |
| Gonolobus fraternus | Schltdl. | Apocynaceae | 4 |
| Gonolobus taylorianus | W.D.Stevens & Montiel | Apocynaceae | 4 |
| Grona adscendens | (Sw.) H.Ohashi & K.Ohashi | Fabaceae | 4 |
| Guarea bullata | Radlk. | Meliaceae | 4 |
| Habenaria strictissima | Rchb.f. | Orchidaceae | 4 |
| Hamelia rovirosae | Wernham | Rubiaceae | 4 |
| Hasseltia floribunda | Kunth | Salicaceae | 4 |
| Helanthium tenellum | (Mart. ex Schult.f.) Britton | Alismataceae | 4 |
| Heliotropium transalpinum | Vell. | Heliotropiaceae | 4 |
| Hoffmannia psychotriifolia | (Benth.) Griseb. | Rubiaceae | 4 |
| Hybanthus galeottii | (Turcz.) C.V.Morton ex L.O.Williams | Violaceae | 4 |
| Ilex discolor | Hemsl. | Aquifoliaceae | 4 |
| Ipomoea praecana | House | Convolvulaceae | 4 |
| Iresine arbuscula | Uline & W.L.Bray | Amaranthaceae | 4 |
| Lucuma campechiana | Kunth | Sapotaceae | 4 |
| Luehea seemannii | Triana & Planch. | Malvaceae | 4 |
| Lycianthes arrazolensis | (Coult. & Donn.Sm.) Bitter | Solanaceae | 4 |
| Lycianthes heteroclita | (Sendtn.) Bitter | Solanaceae | 4 |
| Lygodium volubile | Sw. | Lygodiaceae | 4 |
| Malvastrum corchorifolium | (Desr.) Britton ex Small | Malvaceae | 4 |
| Manilkara chicle | (Pittier) Gilly | Sapotaceae | 4 |
| Maxillaria cucullata | Lindl. | Orchidaceae | 4 |
| Metastelma trichophyllum | (L.O.Williams) W.D.Stevens | Apocynaceae | 4 |
| Miconia crenulata | (Gleason) Michelang. | Melastomataceae | 4 |
| Miconia desmantha | Benth. | Melastomataceae | 4 |
| Miconia formicosetosa | Michelang. | Melastomataceae | 4 |
| Microgramma percussa | (Cav.) de la Sota | Polypodiaceae | 4 |
| Muhlenbergia cenchroides | (Humb. & Bonpl. ex Willd.) P.M.Peterson | Poaceae | 4 |
| Muhlenbergia ramulosa | (Kunth) Swallen | Poaceae | 4 |
| Myrmecophila brysiana | (Lem.) G.C.Kenn. | Orchidaceae | 4 |
| Myrmecophila tibicinis | (Bateman ex Lindl.) Rolfe | Orchidaceae | 4 |
| Nectandra cuspidata | Nees & Mart. | Lauraceae | 4 |
| Nectandra hihua | (Ruiz & Pav.) Rohwer | Lauraceae | 4 |
| Neonicholsonia watsonii | Dammer | Arecaceae | 4 |
| Notopleura macrophylla | (Ruiz & Pav.) C.M.Taylor | Rubiaceae | 4 |
| Notylia trisepala | Lindl. & Paxton | Orchidaceae | 4 |
| Ocotea heydeana | (Mez & Donn.Sm.) Bernardi | Lauraceae | 4 |
| Omphalea oleifera | Hemsl. | Euphorbiaceae | 4 |
| Orthrosanthus exsertus | (R.C.Foster) Ravenna | Iridaceae | 4 |
| Palicourea winkleri | Borhidi | Rubiaceae | 4 |
| Parablechnum schiedeanum | (Schltdl. ex C.Presl) Gasper & Salino | Blechnaceae | 4 |
| Passiflora bicornis | Mill. | Passifloraceae | 4 |
| Passiflora costaricensis | Killip | Passifloraceae | 4 |
| Passiflora lancetillensis | J.M.MacDougal & Meerman | Passifloraceae | 4 |
| Pecluma hygrometrica | (Splitg.) M.G.Price | Polypodiaceae | 4 |
| Pecluma struthionis | (L.) Boudrie, Cremers & Viane | Polypodiaceae | 4 |
| Pelexia funckiana | (A.Rich. & Galeotti) Schltr. | Orchidaceae | 4 |
| Peperomia angustata | Kunth | Piperaceae | 4 |
| Peperomia claytonioides | Kunth | Piperaceae | 4 |
| Peperomia conocarpa | Trel. | Piperaceae | 4 |
| Philodendron inaequilaterum | Liebm. | Araceae | 4 |
| Phoradendron dipterum | Eichler | Santalaceae | 4 |
| Phoradendron lanceolatum | Engelm. ex A.Gray | Santalaceae | 4 |
| Phyllostylon rhamnoides | (J.Poiss.) Taub. | Ulmaceae | 4 |
| Piper glabrescens | (Miq.) C.DC. | Piperaceae | 4 |
| Pleurothallis homalantha | Schltr. | Orchidaceae | 4 |
| Podocarpus oleifolius | D.Don | Podocarpaceae | 4 |
| Poeppigia procera | (Poepp. ex Spreng.) C.Presl | Fabaceae | 4 |
| Polyphlebium capillaceum | (L.) Ebihara & Dubuisson | Hymenophyllaceae | 4 |
| Protium tenuifolium | (Engl.) Engl. | Burseraceae | 4 |
| Quercus cortesii | Liebm. | Fagaceae | 4 |
| Rhyncholaelia digbyana | (Lindl.) Schltr. | Orchidaceae | 4 |
| Rhynchospora marliniana | Naczi, W.M.Knapp & W.W.Thomas | Cyperaceae | 4 |
| Rotala mexicana | Schltdl. & Cham. | Lythraceae | 4 |
| Rubus eriocarpus | Liebm. | Rosaceae | 4 |
| Sagittaria guayanensis | Kunth | Alismataceae | 4 |
| Salvinia auriculata | Aubl. | Salviniaceae | 4 |
| Saurauia oreophila | Hemsl. | Actinidiaceae | 4 |
| Scaphyglottis behrii | (Rchb.f.) Benth. & Hook.f. ex Hemsl. | Orchidaceae | 4 |
| Sceptridium schaffneri | (Underw.) Lyon | Ophioglossaceae | 4 |
| Schiedeella transversalis | (A.Rich. & Galeotti) Schltr. | Orchidaceae | 4 |
| Schlegelia parviflora | (Oerst.) Monach. | Schlegeliaceae | 4 |
| Schnella guianensis | (Aubl.) Wunderlin | Fabaceae | 4 |
| Scleria microcarpa | Nees ex Kunth | Cyperaceae | 4 |
| Sicydium tamnifolium | Cogn. | Cucurbitaceae | 4 |
| Sidastrum paniculatum | (L.) Fryxell | Malvaceae | 4 |
| Sigesbeckia agrestis | Poepp. & Endl. | Asteraceae | 4 |
| Spathacanthus hahnianus | Baill. | Acanthaceae | 4 |
| Specklinia pisinna | (Luer) Solano & Soto Arenas | Orchidaceae | 4 |
| Spermacoce tenuior | L. | Rubiaceae | 4 |
| Stachys costaricensis | Briq. | Lamiaceae | 4 |
| Stegnosperma cubense | A.Rich. | Stegnospermataceae | 4 |
| Steinchisma laxum | (Sw.) Zuloaga | Poaceae | 4 |
| Stelis gelida | (Lindl.) Pridgeon & M.W.Chase | Orchidaceae | 4 |
| Stelis purpurascens | A.Rich. & Galeotti | Orchidaceae | 4 |
| Stevia incognita | Grashoff | Asteraceae | 4 |
| Stillingia acutifolia | (Benth.) Benth. & Hook.f. ex Hemsl. | Euphorbiaceae | 4 |
| Struthanthus orbicularis | (Kunth) Eichler | Loranthaceae | 4 |
| Stylosanthes humilis | Kunth | Fabaceae | 4 |
| Styrax warscewiczii | Perkins | Styracaceae | 4 |
| Symplocos limoncillo | Bonpl. | Symplocaceae | 4 |
| Synechanthus fibrosus | (H.Wendl.) H.Wendl. | Arecaceae | 4 |
| Tapirira mexicana | Marchand | Anacardiaceae | 4 |
| Tetramerium nemorum | Brandegee | Acanthaceae | 4 |
| Tillandsia elongata | Kunth | Bromeliaceae | 4 |
| Tillandsia pseudobaileyi | C.S.Gardner | Bromeliaceae | 4 |
| Trichilia pallida | Sw. | Meliaceae | 4 |
| Trichocentrum cavendishianum | (Bateman) M.W.Chase & N.H.Williams | Orchidaceae | 4 |
| Trichocentrum oerstedii | (Rchb.f.) R.Jiménez & Carnevali | Orchidaceae | 4 |
| Trichosalpinx ciliaris | (Lindl.) Luer | Orchidaceae | 4 |
| Urostephanus porphyranthus | (Standl.) Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado | Apocynaceae | 4 |
| Valeriana urticifolia | Kunth | Caprifoliaceae | 4 |
| Verbesina gigantea | Jacq. | Asteraceae | 4 |
| Viola guatemalensis | W.Becker | Violaceae | 4 |
| Virola koschnyi | Warb. | Myristicaceae | 4 |
| Waltheria operculata | Rose | Malvaceae | 4 |
| Warczewiczella discolor | (Lindl.) Rchb.f. | Orchidaceae | 4 |
| Wissadula periplocifolia | (L.) Thwaites | Malvaceae | 4 |
| Xylosma panamensis | Turcz. | Salicaceae | 4 |
| Xyris laxifolia | Mart. | Xyridaceae | 4 |
| Zanthoxylum foliolosum | Donn.Sm. | Rutaceae | 4 |
| Zanthoxylum limoncello | Planch. & Oerst. ex Triana & Planch. | Rutaceae | 4 |
| Adelia barbinervis | Cham. & Schltdl. | Euphorbiaceae | 3 |
| Adiantum deflectens | Mart. | Pteridaceae | 3 |
| Adiantum obliquum | Willd. | Pteridaceae | 3 |
| Allobriquetia spicata | (Kunth) Bovini | Malvaceae | 3 |
| Alternanthera pubiflora | (Benth.) Kuntze | Amaranthaceae | 3 |
| Amphitecna isthmica | (A.H.Gentry) A.H.Gentry | Bignoniaceae | 3 |
| Amyris balsamifera | L. | Rutaceae | 3 |
| Andropogon tener | (Nees) Kunth | Poaceae | 3 |
| Annona holosericea | Saff. | Annonaceae | 3 |
| Anredera ramosa | (Moq.) Eliasson | Basellaceae | 3 |
| Anthurium lucens | Standl. | Araceae | 3 |
| Apoplanesia paniculata | C.Presl | Fabaceae | 3 |
| Ardisia nigropunctata | Oerst. | Primulaceae | 3 |
| Arpophyllum giganteum | Hartw. ex Lindl. | Orchidaceae | 3 |
| Asplundia liebmannii | Harling | Cyclanthaceae | 3 |
| Bactris mexicana | Mart. | Arecaceae | 3 |
| Bakeridesia gaumeri | (Standl.) D.M.Bates | Malvaceae | 3 |
| Besleria amabilis | C.V.Morton | Gesneriaceae | 3 |
| Billia hippocastanum | Peyr. | Sapindaceae | 3 |
| Bouteloua erecta | (Vasey & Hack.) Columbus | Poaceae | 3 |
| Bravaisia integerrima | (Spreng.) Standl. | Acanthaceae | 3 |
| Bruceholstia sidifolia | (M.Martens & Galeotti) L.O.Alvarado | Apocynaceae | 3 |
| Brunellia mexicana | Standl. | Brunelliaceae | 3 |
| Campyloneurum brevifolium | (Lodd. ex Link) Link | Polypodiaceae | 3 |
| Campyloneurum costatum | C.Presl | Polypodiaceae | 3 |
| Cantinoa americana | (Aubl.) Harley & J.F.B.Pastore | Lamiaceae | 3 |
| Carex firmula | (Kük.) J.R.Starr | Cyperaceae | 3 |
| Carminatia recondita | McVaugh | Asteraceae | 3 |
| Catopsis nitida | (Hook.) Griseb. | Bromeliaceae | 3 |
| Cedrela oaxacensis | C.DC. & Rose | Meliaceae | 3 |
| Ceratopteris pteridoides | (Hook.) Hieron. | Pteridaceae | 3 |
| Ceratopteris thalictroides | (L.) Brongn. | Pteridaceae | 3 |
| Cestrum glanduliferum | Kerber ex Francey | Solanaceae | 3 |
| Cestrum racemosum | Ruiz & Pav. | Solanaceae | 3 |
| Chamaedorea sartorii | Liebm. | Arecaceae | 3 |
| Chrysochlamys nicaraguensis | (Oerst., Planch. & Triana) Hemsl. | Clusiaceae | 3 |
| Clematis grossa | Benth. | Ranunculaceae | 3 |
| Clematis rhodocarpa | Rose | Ranunculaceae | 3 |
| Clitoria polystachya | Benth. | Fabaceae | 3 |
| Clusia lundellii | Standl. | Clusiaceae | 3 |
| Coccocypselum guianense | (Aubl.) K.Schum. | Rubiaceae | 3 |
| Cojoba rufescens | (Benth.) Britton & Rose | Fabaceae | 3 |
| Corchorus hirtus | L. | Malvaceae | 3 |
| Cordia cymosa | (Donn.Sm.) Standl. | Cordiaceae | 3 |
| Croton morifolius | Willd. | Euphorbiaceae | 3 |
| Crusea calocephala | DC. | Rubiaceae | 3 |
| Cyathea fulva | (M.Martens & Galeotti) Fée | Cyatheaceae | 3 |
| Cyperus tenerrimus | J.Presl & C.Presl | Cyperaceae | 3 |
| Dalea carthagenensis | (Jacq.) J.F.Macbr. | Fabaceae | 3 |
| Daucus montanus | Humb. & Bonpl. ex Schult. | Apiaceae | 3 |
| Desmodium polystachyum | Schltdl. | Fabaceae | 3 |
| Dianthera pectoralis | (Jacq.) J.F.Gmel. | Acanthaceae | 3 |
| Dicraspidia donnell-smithii | Standl. | Muntingiaceae | 3 |
| Dictyanthus ceratopetalus | Donn.Sm. | Apocynaceae | 3 |
| Didymoglossum ekmanii | (Wess.Boer) Ebihara & Dubuisson | Hymenophyllaceae | 3 |
| Didymoglossum membranaceum | (L.) Vareschi | Hymenophyllaceae | 3 |
| Diectomis fastigiata | (Sw.) P.Beauv. | Poaceae | 3 |
| Diplazium urticifolium | Christ | Athyriaceae | 3 |
| Disciphania calocarpa | Standl. | Menispermaceae | 3 |
| Echinochloa polystachya | (Kunth) Hitchc. | Poaceae | 3 |
| Echites yucatanensis | Millsp. ex Standl. | Apocynaceae | 3 |
| Elaphoglossum sartorii | (Liebm.) Mickel | Dryopteridaceae | 3 |
| Elleanthus graminifolius | (Barb.Rodr.) Løjtnant | Orchidaceae | 3 |
| Encyclia bractescens | (Lindl.) Hoehne | Orchidaceae | 3 |
| Epidendrum congestum | Rolfe | Orchidaceae | 3 |
| Epidendrum fruticosum | Pav. ex Lindl. | Orchidaceae | 3 |
| Epidendrum oerstedii | Rchb.f. | Orchidaceae | 3 |
| Epidendrum polyanthum | Lindl. | Orchidaceae | 3 |
| Erigeron cuneifolius | DC. | Asteraceae | 3 |
| Erythroxylum citrifolium | A.St.-Hil. | Erythroxylaceae | 3 |
| Euphorbia lancifolia | Schltdl. | Euphorbiaceae | 3 |
| Euploca humilis | (L.) Feuillet | Heliotropiaceae | 3 |
| Ficus tonduzii | Standl. | Moraceae | 3 |
| Forchhammeria trifoliata | Radlk. ex Millsp. | Resedaceae | 3 |
| Goniopteris liebmannii | (Maxon & C.V.Morton) Salino & T.E.Almeida | Thelypteridaceae | 3 |
| Gouania polygama | (Jacq.) Urb. | Rhamnaceae | 3 |
| Guatteria aeruginosa | Standl. | Annonaceae | 3 |
| Guettarda macrosperma | Donn.Sm. | Rubiaceae | 3 |
| Guzmania scherzeriana | Mez | Bromeliaceae | 3 |
| Habenaria bractescens | Lindl. | Orchidaceae | 3 |
| Hampea longipes | Miranda | Malvaceae | 3 |
| Hanburia oerstedii | (Cogn.) H.Schaef. & S.S.Renner | Cucurbitaceae | 3 |
| Heliconia spissa | Griggs | Heliconiaceae | 3 |
| Heliocarpus appendiculatus | Turcz. | Malvaceae | 3 |
| Heterotoma lobelioides | Zucc. | Campanulaceae | 3 |
| Hieronyma alchorneoides | Allemão | Phyllanthaceae | 3 |
| Hirtella triandra | Sw. | Chrysobalanaceae | 3 |
| Huntleya burtii | (Endrés & Rchb.f.) Pfitzer | Orchidaceae | 3 |
| Ionopsis satyrioides | (Sw.) Rchb.f. | Orchidaceae | 3 |
| Jacquinia arborea | Vahl | Primulaceae | 3 |
| Lasiacis rhizophora | (E.Fourn.) Hitchc. ex Chase | Poaceae | 3 |
| Leucaena lempirana | C.E.Hughes | Fabaceae | 3 |
| Licaria capitata | (Cham. & Schltdl.) Kosterm. | Lauraceae | 3 |
| Ludwigia nervosa | (Poir.) H.Hara | Onagraceae | 3 |
| Lycianthes maxonii | Standl. | Solanaceae | 3 |
| Lygodium radiatum | Prantl | Lygodiaceae | 3 |
| Mammillaria eriacantha | Link & Otto ex Pfeiff. | Cactaceae | 3 |
| Maranta gibba | Sm. | Marantaceae | 3 |
| Marcgravia mexicana | Gilg | Marcgraviaceae | 3 |
| Maxillaria aciantha | Rchb.f. | Orchidaceae | 3 |
| Meliosma glabrata | (Liebm.) Urb. | Sabiaceae | 3 |
| Miconia barbinervis | (Benth.) Triana | Melastomataceae | 3 |
| Miconia dodecandra | Cogn. | Melastomataceae | 3 |
| Miconia lateriflora | Cogn. | Melastomataceae | 3 |
| Microtea debilis | Sw. | Microteaceae | 3 |
| Mimosa ervendbergii | A.Gray | Fabaceae | 3 |
| Mollinedia viridiflora | Tul. | Monimiaceae | 3 |
| Morinda panamensis | Seem. | Rubiaceae | 3 |
| Morisonia frondosa | (Jacq.) Christenh. & Byng | Capparaceae | 3 |
| Myriocarpa bifurca | Liebm. | Urticaceae | 3 |
| Myriocarpa cordifolia | Liebm. | Urticaceae | 3 |
| Nephrolepis undulata | (Afzel. ex Sw.) J.Sm. | Nephrolepidaceae | 3 |
| Notholaena affinis | (Mett.) T.Moore | Pteridaceae | 3 |
| Nymphaea jamesoniana | Planch. | Nymphaeaceae | 3 |
| Ocotea insularis | (Meisn.) Mez | Lauraceae | 3 |
| Odontosoria guatemalensis | Christ | Lindsaeaceae | 3 |
| Oncidium maculatum | (Lindl.) Lindl. | Orchidaceae | 3 |
| Ophioglossum reticulatum | L. | Ophioglossaceae | 3 |
| Oreopanax guatemalensis | (Lem. ex Bosse) Decne. & Planch. ex Witte | Araliaceae | 3 |
| Parkia pendula | (Willd.) Benth. ex Walp. | Fabaceae | 3 |
| Paspalum stellatum | Flüggé | Poaceae | 3 |
| Passiflora hahnii | (Fourn.) Mast. | Passifloraceae | 3 |
| Pecluma divaricata | (E.Fourn.) Mickel & Beitel | Polypodiaceae | 3 |
| Pehria compacta | (Rusby) Sprague | Lythraceae | 3 |
| Pelexia adnata | (Sw.) Poit. ex Rich. | Orchidaceae | 3 |
| Peltostigma pteleoides | (Hook.) Walp. | Rutaceae | 3 |
| Persea schiedeana | Nees | Lauraceae | 3 |
| Phoradendron crassifolium | (Pohl ex DC.) Eichler | Santalaceae | 3 |
| Phoradendron nervosum | Oliv. | Santalaceae | 3 |
| Phragmipedium humboldtii | (Warsz.) J.T.Atwood & Dressler | Orchidaceae | 3 |
| Phyllanthus acuminatus | Vahl | Phyllanthaceae | 3 |
| Pitcairnia calderonii | Standl. & L.B.Sm. | Bromeliaceae | 3 |
| Pleonotoma variabilis | (Jacq.) Miers | Bignoniaceae | 3 |
| Pleopeltis alansmithii | (R.C.Moran) A.R.Sm. & Tejero | Polypodiaceae | 3 |
| Pleopeltis christensenii | A.R.Sm. | Polypodiaceae | 3 |
| Polybotrya caudata | Kunze | Dryopteridaceae | 3 |
| Polytaenium feei | (W.Schaffn. ex Fée) Maxon | Pteridaceae | 3 |
| Prosthechea abbreviata | (Schltr.) W.E.Higgins | Orchidaceae | 3 |
| Prosthechea brassavolae | (Rchb.f.) W.E.Higgins | Orchidaceae | 3 |
| Pseudabutilon scabrum | (C.Presl) R.E.Fr. | Malvaceae | 3 |
| Pseudalbizzia adinocephala | (Donn.Sm.) E.J.M.Koenen & Duno | Fabaceae | 3 |
| Pseudalcantarea grandis | (Schltdl.) Pinzón & Barfuss | Bromeliaceae | 3 |
| Pterolepis trichotoma | (Rottb.) Cogn. | Melastomataceae | 3 |
| Reinhardtia simplex | (H.Wendl.) Burret | Arecaceae | 3 |
| Rhipidocladum racemiflorum | (Steud.) McClure | Poaceae | 3 |
| Rhizophora racemosa | G.Mey. | Rhizophoraceae | 3 |
| Rhynchosia reticulata | (Sw.) DC. | Fabaceae | 3 |
| Roldana jurgensenii | (Hemsl.) H.Rob. & Brettell | Asteraceae | 3 |
| Rossioglossum schlieperianum | (Rchb.f.) Garay & G.C.Kenn. | Orchidaceae | 3 |
| Roupala montana | Aubl. | Proteaceae | 3 |
| Ruehssia coulteri | (Hemsl.) L.O.Alvarado | Apocynaceae | 3 |
| Ruellia geminiflora | Kunth | Acanthaceae | 3 |
| Scleria cyperina | Kunth | Cyperaceae | 3 |
| Scleria latifolia | Sw. | Cyperaceae | 3 |
| Scleria lithosperma | (L.) Sw. | Cyperaceae | 3 |
| Selaginella harrisii | Underw. & Hieron. | Selaginellaceae | 3 |
| Senna cobanensis | (Britton) H.S.Irwin & Barneby | Fabaceae | 3 |
| Setaria tenax | (Rich.) Desv. | Poaceae | 3 |
| Sideroxylon obtusifolium | (Roem. & Schult.) T.D.Penn. | Sapotaceae | 3 |
| Smilax purhampuy | Ruiz | Smilacaceae | 3 |
| Sobralia amabilis | (Rchb.f.) L.O.Williams | Orchidaceae | 3 |
| Solanum rugosum | Dunal | Solanaceae | 3 |
| Stelis argentata | Lindl. | Orchidaceae | 3 |
| Stelis deregularis | Barb.Rodr. | Orchidaceae | 3 |
| Stelis platystylis | (Schltr.) Solano & Soto Arenas | Orchidaceae | 3 |
| Stelis villosa | (Knowles & Westc.) Pridgeon & M.W.Chase | Orchidaceae | 3 |
| Stellaria ovata | Willd. ex D.F.K.Schltdl. | Caryophyllaceae | 3 |
| Sticherus underwoodianus | (Maxon) Nakai | Gleicheniaceae | 3 |
| Tarenaya spinosa | (Jacq.) Raf. | Cleomaceae | 3 |
| Tillandsia magnusiana | Wittm. | Bromeliaceae | 3 |
| Trimezia variegata | (M.Martens & Galeotti) Ravenna | Iridaceae | 3 |
| Turnera scabra | Millsp. | Passifloraceae | 3 |
| Verbesina apleura | S.F.Blake | Asteraceae | 3 |
| Verbesina fraseri | Hemsl. | Asteraceae | 3 |
| Vochysia ferruginea | Mart. | Vochysiaceae | 3 |
| Weinmannia anisophylla | Standl. & L.O.Williams | Cunoniaceae | 3 |
| Wimmeria bartlettii | Lundell | Celastraceae | 3 |
| Wimmeria concolor | Schltdl. & Cham. | Celastraceae | 3 |
| Zanthoxylum caribaeum | Lam. | Rutaceae | 3 |
| Zephyranthes lindleyana | Herb. | Amaryllidaceae | 3 |
Abies guatemalensisGuatemalan Fir
Abildgaardia ovataflatspike sedge
Abutilon abutiloidesshrubby Indian mallow
Abutilon divaricatum
Abutilon trisulcatumanglestem Indian mallow
Abutilon viscosumviscid mallow
Acaciella angustissimaprairie acacia
Acalypha alopecuroideafoxtail copperleaf
Acalypha arvensisfield copperleaf
Acalypha diversifolia
Acalypha leptopoda
Acalypha macrostachya
Acalypha mexicanaMexican copperleaf
Acalypha persimilispineland threeseed mercury
Acalypha poiretiiPoiret's copperleaf
Acalypha setosaCuban copperleaf
Acanthocereus tetragonusBarbed-wire cactus
Acanthospermum hispidumhispid starbur
Acer negundobox elder
Achimenes candida
Achimenes erecta
Achimenes grandiflora
Achimenes longiflora
Achimenes skinneri
Acianthera pubescenshairy bonnet orchid
Acmella radicans
Acmella repens
Acmella uliginosa
Acoelorraphe wrightiiEverglades palm
Acrocomia aculeatagrugru palm
Acrostichum aureumGolden Leather Fern
Acrostichum danaeifoliuminland leatherfern
Adenaria floribunda
Adiantopsis radiata
Adiantum amplum
Adiantum andicola
Adiantum capillus-venerisblack maidenhair fern
Adiantum concinnumpolished maidenhair
Adiantum latifoliumbroadleaf maidenhair
Adiantum macrophyllumlargeleaf maidenhair
Adiantum petiolatumstalked maidenhair
Adiantum poiretii
Adiantum pulverulentumglossy maidenhair
Adiantum raddianumdelta maidenhair
Adiantum tenerumfan maidenhair
Adiantum trapeziformediamond maidenhair
Adiantum tricholepisfuzzy maidenhair
Aechmea angustifolia
