| Abildgaardia ovata | (Burm.f.) Kral | Cyperaceae | 8 |
| Abutilon grandifolium | (Willd.) Sweet | Malvaceae | 8 |
| Acalypha arvensis | Poepp. | Euphorbiaceae | 8 |
| Acalypha communis | Müll.Arg. | Euphorbiaceae | 8 |
| Acalypha herzogiana | Pax & K.Hoffm. | Euphorbiaceae | 8 |
| Acalypha poiretii | Spreng. | Euphorbiaceae | 8 |
| Acanthospermum australe | (Loefl.) Kuntze | Asteraceae | 8 |
| Acanthospermum hispidum | DC. | Asteraceae | 8 |
| Acanthostachys strobilacea | (Schult. & Schult.f.) Klotzsch | Bromeliaceae | 8 |
| Acanthostyles buniifolius | (Hook. & Arn.) R.M.King & H.Rob. | Asteraceae | 8 |
| Acanthosyris spinescens | Griseb. | Santalaceae | 8 |
| Acianthera pubescens | (Lindl.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Acianthera sonderiana | (Rchb.f.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Acicarpha tribuloides | Juss. | Calyceraceae | 8 |
| Acmella decumbens | (Sm.) R.K.Jansen | Asteraceae | 8 |
| Acrocomia totai | Mart. | Arecaceae | 8 |
| Acrostichum aureum | L. | Pteridaceae | 8 |
| Acrostichum danaeifolium | Langsd. & Fisch. | Pteridaceae | 8 |
| Adesmia incana | Vogel | Fabaceae | 8 |
| Adiantopsis chlorophylla | (Sw.) Fée | Pteridaceae | 8 |
| Adiantopsis radiata | (L.) Fée | Pteridaceae | 8 |
| Adiantum capillus-veneris | L. | Pteridaceae | 8 |
| Adiantum latifolium | Lam. | Pteridaceae | 8 |
| Adiantum lorentzii | Hieron. | 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 |
| Aechmea bromeliifolia | (Rudge) Baker ex Benth. & Hook.f. | Bromeliaceae | 8 |
| Aechmea calyculata | (É.Morren) Baker | Bromeliaceae | 8 |
| Aechmea cylindrata | Lindm. | Bromeliaceae | 8 |
| Aechmea distichantha | Lem. | Bromeliaceae | 8 |
| Aechmea gamosepala | Wittm. | Bromeliaceae | 8 |
| Aechmea nudicaulis | (L.) Griseb. | Bromeliaceae | 8 |
| Aechmea recurvata | (Klotzsch) L.B.Sm. | Bromeliaceae | 8 |
| Aegiphila verticillata | Vell. | Lamiaceae | 8 |
| Aeschynomene americana | L. | Fabaceae | 8 |
| Aeschynomene montevidensis | Vogel | Fabaceae | 8 |
| Agalinis communis | (Cham. & Schltdl.) D'Arcy | Orobanchaceae | 8 |
| Agalinis genistifolia | (Cham. & Schltdl.) D'Arcy | Orobanchaceae | 8 |
| Aiouea montana | (Sw.) R.Rohde | Lauraceae | 8 |
| Alibertia edulis | (Rich.) A.Rich. ex DC. | Rubiaceae | 8 |
| Allagoptera arenaria | (Gomes) Kuntze | Arecaceae | 8 |
| Allamanda cathartica | L. | Apocynaceae | 8 |
| Allophylus edulis | (A.St.-Hil., A.Juss. & Cambess.) Radlk. ex Warm. | Sapindaceae | 8 |
| Allophylus guaraniticus | (A.St.-Hil.) Radlk. | Sapindaceae | 8 |
| Allophylus laevigatus | Radlk. | Sapindaceae | 8 |
| Aloysia gratissima | (Gillies & Hook.) Tronc. | Verbenaceae | 8 |
| Aloysia virgata | (Ruiz & Pav.) Juss. | Verbenaceae | 8 |
| Alsophila setosa | Kaulf. | Cyatheaceae | 8 |
| Alstroemeria cunha | Vell. | Alstroemeriaceae | 8 |
| Alstroemeria psittacina | Lehm. | Alstroemeriaceae | 8 |
| Alternanthera bettzickiana | (Regel) G.Nicholson | Amaranthaceae | 8 |
| Alternanthera brasiliana | (L.) Kuntze | Amaranthaceae | 8 |
| Alternanthera flavescens | Kunth | Amaranthaceae | 8 |
| Alternanthera paronychioides | A.St.-Hil. | Amaranthaceae | 8 |
| Alternanthera philoxeroides | (Mart.) Griseb. | Amaranthaceae | 8 |
| Alternanthera pungens | Kunth | Amaranthaceae | 8 |
| Alternanthera sessilis | (L.) DC. | Amaranthaceae | 8 |
| Amaioua intermedia | Mart. ex Schult. & Schult.f. | Rubiaceae | 8 |
| Amaranthus blitum | L. | Amaranthaceae | 8 |
| Amaranthus spinosus | L. | Amaranthaceae | 8 |
| Amaranthus viridis | L. | Amaranthaceae | 8 |
| Ambrosia tenuifolia | Spreng. | Asteraceae | 8 |
| Amphilophium crucigerum | (L.) L.G.Lohmann | Bignoniaceae | 8 |
| Amphilophium paniculatum | (L.) Kunth | Bignoniaceae | 8 |
| Anadenanthera colubrina | (Vell.) Brenan | Fabaceae | 8 |
| Ananas comosus | (L.) Merr. | Bromeliaceae | 8 |
| Ananas macrodontes | É.Morren | Bromeliaceae | 8 |
| Anchietea pyrifolia | (Mart.) G.Don | Violaceae | 8 |
| Andropogon bicornis | L. | Poaceae | 8 |
| Anemia phyllitidis | (L.) Sw. | Anemiaceae | 8 |
| Anemia tomentosa | (Savigny) Sw. | Anemiaceae | 8 |
| Anemone decapetala | Ard. | Ranunculaceae | 8 |
| Anemopaegma arvense | (Vell.) Stellfeld ex De Souza | Bignoniaceae | 8 |
| Angelonia integerrima | Spreng. | Plantaginaceae | 8 |
| Aniseia martinicensis | (Jacq.) Choisy | Convolvulaceae | 8 |
| Annona coriacea | Mart. | Annonaceae | 8 |
| Annona glabra | L. | Annonaceae | 8 |
| Annona mucosa | Jacq. | Annonaceae | 8 |
| Annona rugulosa | (Schltdl.) H.Rainer | Annonaceae | 8 |
| Anoda cristata | (L.) Schltdl. | Malvaceae | 8 |
| Anogramma leptophylla | (L.) Link | Pteridaceae | 8 |
| Anredera cordifolia | (Ten.) Steenis | Basellaceae | 8 |
| Anthurium coriaceum | G.Don | Araceae | 8 |
| Anthurium scandens | (Aubl.) Engl. | Araceae | 8 |
| Apium prostratum | Labill. ex Vent. | Apiaceae | 8 |
| Apteria aphylla | (Nutt.) Barnhart ex Small | Burmanniaceae | 8 |
| Aquarius grandiflorus | (Cham. & Schltdl.) Christenh. & Byng | Alismataceae | 8 |
| Araucaria angustifolia | (Bertol.) Kuntze | Araucariaceae | 8 |
| Araujia angustifolia | (Hook. & Arn.) Steud. | Apocynaceae | 8 |
| Araujia megapotamica | (Spreng.) G.Don | Apocynaceae | 8 |
| Araujia odorata | (Hook. & Arn.) Fontella & Goyder | Apocynaceae | 8 |
| Araujia sericifera | Brot. | Apocynaceae | 8 |
| Arenaria lanuginosa | (Michx.) Rohrb. | Caryophyllaceae | 8 |
| Aristolochia fimbriata | Cham. | Aristolochiaceae | 8 |
| Aristolochia labiata | Willd. | Aristolochiaceae | 8 |
| Aristolochia littoralis | Parodi | Aristolochiaceae | 8 |
| Aristolochia odoratissima | L. | Aristolochiaceae | 8 |
| Aristolochia papillaris | Mast. | Aristolochiaceae | 8 |
| Aristolochia triangularis | Cham. | Aristolochiaceae | 8 |
| Asclepias curassavica | L. | Apocynaceae | 8 |
| Asclepias mellodora | A.St.-Hil. | Apocynaceae | 8 |
| Asemeia acuminata | (Willd.) J.F.B.Pastore & J.R.Abbott | Polygalaceae | 8 |
| Aspidosperma polyneuron | Müll.Arg. | Apocynaceae | 8 |
| Aspilia foliacea | Baker | Asteraceae | 8 |
| Asplenium monanthes | L. | Aspleniaceae | 8 |
| Asplenium praemorsum | Sw. | Aspleniaceae | 8 |
| Asplenium resiliens | Kunze | Aspleniaceae | 8 |
| Asplenium serra | Langsd. & Fisch. | Aspleniaceae | 8 |
| Aster squamatus | (Spreng.) Hieron. | Asteraceae | 8 |
| Astraea lobata | (L.) Klotzsch | Euphorbiaceae | 8 |
| Astrocaryum aculeatissimum | (Schott) Burret | Arecaceae | 8 |
| Astronium graveolens | Jacq. | Anacardiaceae | 8 |
| Athenaea fasciculata | (Vell.) I.M.C.Rodrigues & Stehmann | Solanaceae | 8 |
| Austroblechnum lechleri | (T.Moore) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Austroblechnum penna-marina | (Poir.) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Avicennia schaueriana | Stapf & Leechm. ex Moldenke | Acanthaceae | 8 |
| Axonopus compressus | (Sw.) P.Beauv. | Poaceae | 8 |
| Axonopus fissifolius | (Raddi) Kuhlm. | Poaceae | 8 |
| Axonopus furcatus | (Flüggé) Hitchc. | Poaceae | 8 |
| Ayenia australis | (A.St.-Hil.) Christenh. & Byng | Malvaceae | 8 |
| Ayenia urticifolia | (K.Schum.) Christenh. & Byng | Malvaceae | 8 |
| Azolla filiculoides | Lam. | Salviniaceae | 8 |
| Baccharis aliena | (Spreng.) Joch.Müll. | Asteraceae | 8 |
| Baccharis anomala | DC. | Asteraceae | 8 |
| Baccharis articulata | Pers. | Asteraceae | 8 |
| Baccharis coridifolia | DC. | Asteraceae | 8 |
| Baccharis dracunculifolia | DC. | Asteraceae | 8 |
| Baccharis genistelloides | (Lam.) Pers. | Asteraceae | 8 |
| Baccharis glutinosa | Pers. | Asteraceae | 8 |
| Baccharis linearifolia | Pers. | Asteraceae | 8 |
| Baccharis notosergila | Griseb. | Asteraceae | 8 |
| Baccharis ochracea | Spreng. | Asteraceae | 8 |
| Baccharis patens | Baker | Asteraceae | 8 |
| Baccharis phyteumoides | DC. | Asteraceae | 8 |
| Baccharis punctulata | DC. | Asteraceae | 8 |
| Baccharis sagittalis | DC. | Asteraceae | 8 |
| Baccharis semiserrata | DC. | Asteraceae | 8 |
| Baccharis spicata | (Lam.) Baill. | Asteraceae | 8 |
| Baccharis trinervis | Pers. | Asteraceae | 8 |
| Baccharis vulneraria | Baker | Asteraceae | 8 |
| Bacopa monnieri | (L.) Wettst. | Plantaginaceae | 8 |
| Bactris setosa | Mart. | Arecaceae | 8 |
| Balfourodendron riedelianum | (Engl.) Engl. | Rutaceae | 8 |
| Barrosoa candolleana | (Hook. & Arn.) R.M.King & H.Rob. | Asteraceae | 8 |
| Bathysa australis | (A.St.-Hil.) K.Schum. | Rubiaceae | 8 |
| Bauhinia forficata | Link | Fabaceae | 8 |
| Begonia cucullata | Willd. | Begoniaceae | 8 |
| Begonia fischeri | Schrank | Begoniaceae | 8 |
| Begonia hirtella | Link | Begoniaceae | 8 |
| Berberis laurina | Thunb. | Berberidaceae | 8 |
| Bidens laevis | (L.) Britton, Sterns & Poggenb. | Asteraceae | 8 |
| Bidens pilosa | L. | Asteraceae | 8 |
| Bidens subalternans | DC. | Asteraceae | 8 |
| Bignonia callistegioides | Cham. | Bignoniaceae | 8 |
| Billbergia amoena | (G.Lodd.) Lindl. | Bromeliaceae | 8 |
| Billbergia nutans | H.Wendl. ex Regel | Bromeliaceae | 8 |
| Bipinnula penicillata | (Rchb.f.) Cisternas & Salazar | Orchidaceae | 8 |
| Blechnum asplenioides | Sw. | Blechnaceae | 8 |
| Blechnum occidentale | L. | Blechnaceae | 8 |
| Blepharocalyx salicifolius | (Kunth) O.Berg | Myrtaceae | 8 |
| Blumenbachia insignis | Schrad. | Loasaceae | 8 |
| Boehmeria caudata | Sw. | Urticaceae | 8 |
| Boehmeria cylindrica | (L.) Sw. | Urticaceae | 8 |
| Boerhavia diffusa | L. | Nyctaginaceae | 8 |
| Bolboschoenus maritimus | (L.) Palla | Cyperaceae | 8 |
| Bomarea edulis | (Tussac) Herb. | Alstroemeriaceae | 8 |
| Bothriochloa barbinodis | (Lag.) Herter | Poaceae | 8 |
| Bothriochloa laguroides | (DC.) Herter | Poaceae | 8 |
| Bothriochloa longipaniculata | (Gould) Allred & Gould | Poaceae | 8 |
| Bothriochloa torreyana | (Steud.) Scrivanti & Anton | Poaceae | 8 |
| Botrypus virginianus | (L.) Michx. | Ophioglossaceae | 8 |
| Bouchetia anomala | (Miers) Britton & Rusby | Solanaceae | 8 |
| Bougainvillea glabra | Choisy | Nyctaginaceae | 8 |
| Bougainvillea stipitata | Griseb. | Nyctaginaceae | 8 |
| Bouteloua megapotamica | (Spreng.) Kuntze | Poaceae | 8 |
| Bowdichia virgilioides | Kunth | Fabaceae | 8 |
| Bowlesia incana | Ruiz & Pav. | Apiaceae | 8 |
| Brasiliopuntia brasiliensis | (Willd.) A.Berger | Cactaceae | 8 |
| Brassavola tuberculata | Hook. | Orchidaceae | 8 |
| Bromelia antiacantha | Bertol. | Bromeliaceae | 8 |
| Bromelia balansae | Mez | Bromeliaceae | 8 |
| Bromus catharticus | Vahl | Poaceae | 8 |
| Brosimum guianense | (Aubl.) Huber ex Ducke | Moraceae | 8 |
| Brugmansia suaveolens | (Willd.) Sweet | Solanaceae | 8 |
| Brunfelsia australis | Benth. | Solanaceae | 8 |
| Brunfelsia pauciflora | (Cham. & Schltdl.) Benth. | Solanaceae | 8 |
| Brunfelsia uniflora | (Pohl) D.Don | Solanaceae | 8 |
| Buchnera pusilla | Kunth | Orobanchaceae | 8 |
| Buddleja stachyoides | Cham. & Schltdl. | Scrophulariaceae | 8 |
| Bulbostylis paradoxa | (Spreng.) Lindm. | Cyperaceae | 8 |
| Burmannia capitata | (Walter ex J.F.Gmel.) Mart. | Burmanniaceae | 8 |
| Butia catarinensis | Noblick & Lorenzi | Arecaceae | 8 |
| Butia odorata | (Barb.Rodr.) Noblick | Arecaceae | 8 |
| Butia yatay | (Mart.) Becc. | Arecaceae | 8 |
| Byrsonima crassifolia | (L.) Kunth | Malpighiaceae | 8 |
| Byrsonima verbascifolia | Rich. ex Juss. | Malpighiaceae | 8 |
| Cabomba caroliniana | A.Gray | Cabombaceae | 8 |
| Caladium bicolor | (Aiton) Vent. | Araceae | 8 |
| Calea uniflora | Less. | Asteraceae | 8 |
| Calibrachoa parviflora | (Juss.) D'Arcy | Solanaceae | 8 |
| Calliandra dysantha | Benth. | Fabaceae | 8 |
| Calliandra parvifolia | (Hook. & Arn.) Speg. | Fabaceae | 8 |
| Calliandra selloi | (Spreng.) J.F.Macbr. | Fabaceae | 8 |
| Calliandra tweediei | Benth. | Fabaceae | 8 |
| Callianthe megapotamica | (A.Spreng.) Dorr | Malvaceae | 8 |
| Callianthe pauciflora | (A.St.-Hil.) Dorr | Malvaceae | 8 |
| Callianthe picta | (Gillies ex Hook. & Arn.) Donnell | Malvaceae | 8 |
| Callitriche terrestris | Raf. | Plantaginaceae | 8 |
| Calophyllum brasiliense | Cambess. | Calophyllaceae | 8 |
| Calopogonium caeruleum | (Benth.) C.Wright | Fabaceae | 8 |
| Calopogonium mucunoides | Desv. | Fabaceae | 8 |
| Calycera crassifolia | (Miers) Hicken | Calyceraceae | 8 |
| Calydorea charruana | Deble | Iridaceae | 8 |
| Calyptocarpus brasiliensis | (Nees & Mart.) B.L.Turner | Asteraceae | 8 |
| Cambessedesia espora | DC. | Melastomataceae | 8 |
| Cambessedesia hilariana | (A.St.-Hil.) DC. | Melastomataceae | 8 |
| Camonea umbellata | (L.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Campomanesia guazumifolia | (Cambess.) O.Berg | Myrtaceae | 8 |
| Campomanesia phaea | (O.Berg) Landrum | Myrtaceae | 8 |
| Camptosema rubicundum | Hook. & Arn. | Fabaceae | 8 |
| Campuloclinium macrocephalum | DC. | Asteraceae | 8 |
| Canavalia bonariensis | Lindl. | Fabaceae | 8 |
| Canavalia rosea | (Sw.) DC. | Fabaceae | 8 |
| Canna glauca | L. | Cannaceae | 8 |
| Canna indica | L. | Cannaceae | 8 |
| Canna paniculata | Ruiz & Pav. | Cannaceae | 8 |
| Cantinoa mutabilis | (Rich.) Harley & J.F.B.Pastore | Lamiaceae | 8 |
| Capanemia micromera | Barb.Rodr. | Orchidaceae | 8 |
| Cardiospermum corindum | L. | Sapindaceae | 8 |
| Cardiospermum grandiflorum | Sw. | Sapindaceae | 8 |
| Cardiospermum halicacabum | L. | Sapindaceae | 8 |
| Carex aureolensis | Steud. | Cyperaceae | 8 |
| Caryocar brasiliense | Cambess. | Caryocaraceae | 8 |
| Casearia decandra | Jacq. | Salicaceae | 8 |
| Casearia sylvestris | Sw. | Salicaceae | 8 |
| Cassia grandis | L.f. | Fabaceae | 8 |
| Cassia leptophylla | Vogel | Fabaceae | 8 |
| Cassytha filiformis | L. | Lauraceae | 8 |
| Castela tweediei | Planch. | Simaroubaceae | 8 |
| Castilleja arvensis | Schltdl. & Cham. | Orobanchaceae | 8 |
| Catopsis berteroniana | (Schult. & Schult.f.) Mez | Bromeliaceae | 8 |
| Catopsis sessiliflora | (Ruiz & Pav.) Mez | Bromeliaceae | 8 |
| Cattleya intermedia | Graham ex Hook. | Orchidaceae | 8 |
| Cattleya tigrina | A.Rich. | Orchidaceae | 8 |
| Cayaponia bonariensis | (Mill.) Mart.Crov. | Cucurbitaceae | 8 |
| Cayaponia espelina | (Silva Manso) Cogn. | Cucurbitaceae | 8 |
| Cayaponia podantha | Cogn. | Cucurbitaceae | 8 |
| Cecropia glaziovii | Snethl. | Urticaceae | 8 |
| Cecropia pachystachya | Trécul | Urticaceae | 8 |
| Cedrela fissilis | Vell. | Meliaceae | 8 |
| Cedrela odorata | L. | Meliaceae | 8 |
| Ceiba speciosa | (A.St.-Hil., A.Juss. & Cambess.) Ravenna | Malvaceae | 8 |
| Celtis iguanaea | (Jacq.) Sarg. | Cannabaceae | 8 |
| Celtis pallida | Torr. | Cannabaceae | 8 |
| Celtis tala | Gillies ex Planch. | Cannabaceae | 8 |
| Cenchrus echinatus | L. | Poaceae | 8 |
| Cenchrus latifolius | (Spreng.) Morrone | Poaceae | 8 |
| Cenchrus myosuroides | Kunth | Poaceae | 8 |
| Cenchrus spinifex | Cav. | Poaceae | 8 |
| Cenchrus tribuloides | L. | Poaceae | 8 |
| Centella erecta | (L.f.) Fernald | Apiaceae | 8 |
| Centratherum punctatum | Cass. | Asteraceae | 8 |
| Centrosema brasilianum | (L.) Benth. | Fabaceae | 8 |
| Centrosema plumieri | (Turpin ex Pers.) Benth. | Fabaceae | 8 |
| Centrosema pubescens | Benth. | Fabaceae | 8 |
| Centrosema virginianum | (L.) Benth. | Fabaceae | 8 |
| Cephalanthus glabratus | (Spreng.) K.Schum. | Rubiaceae | 8 |
| Ceratophyllum demersum | L. | Ceratophyllaceae | 8 |
| Cereus hildmannianus | K.Schum. | Cactaceae | 8 |
| Cestrum axillare | Vell. | Solanaceae | 8 |
| Cestrum euanthes | Schltdl. | Solanaceae | 8 |
| Cestrum parqui | (Lam.) L'Hér. | Solanaceae | 8 |
| Cestrum strigilatum | Ruiz & Pav. | Solanaceae | 8 |
| Chaetogastra gracilis | (Bonpl.) DC. | Melastomataceae | 8 |
| Chamaecrista desvauxii | (Collad.) Killip | Fabaceae | 8 |
| Chamaecrista flexuosa | (L.) Greene | Fabaceae | 8 |
| Chamaecrista nictitans | (L.) Moench | Fabaceae | 8 |
| Chamaecrista ramosa | (Vogel) H.S.Irwin & Barneby | Fabaceae | 8 |
| Chamaecrista rotundifolia | (Pers.) Greene | Fabaceae | 8 |
| Chamissoa altissima | Kunth | Amaranthaceae | 8 |
| Chaptalia exscapa | (Pers.) Baker | Asteraceae | 8 |
| Chaptalia integerrima | (Vell.) Burkart | Asteraceae | 8 |
| Chaptalia nutans | (L.) Pol. | Asteraceae | 8 |
| Chaptalia piloselloides | (Vahl) Baker | Asteraceae | 8 |
| Chascolytrum subaristatum | (Lam.) Desv. | Poaceae | 8 |
| Cheiroglossa palmata | (L.) C.Presl | Ophioglossaceae | 8 |
| Chelonanthus purpurascens | (Aubl.) Struwe, S.Nilsson & V.A.Albert | Gentianaceae | 8 |
| Chenopodium retusum | (Moq.) Juss. ex Moq. | Chenopodiaceae | 8 |
| Chiococca alba | (L.) Hitchc. | Rubiaceae | 8 |
| Chloraea membranacea | Lindl. | Orchidaceae | 8 |
| Chloris pycnothrix | Trin. | Poaceae | 8 |
| Chloris virgata | Sw. | Poaceae | 8 |
| Chresta plantaginifolia | (Less.) Gardner | Asteraceae | 8 |
| Chromolaena hirsuta | (Hook. & Arn.) R.M.King & H.Rob. | Asteraceae | 8 |
| Chromolaena laevigata | (Lam.) R.M.King & H.Rob. | Asteraceae | 8 |
| Chromolaena odorata | (L.) R.M.King & H.Rob. | Asteraceae | 8 |
| Chrysolaena flexuosa | (Sims) H.Rob. | Asteraceae | 8 |
| Cienfuegosia drummondii | (A.Gray) Lewton | Malvaceae | 8 |
| Cinnagrostis viridiflavescens | (Poir.) P.M.Peterson, Soreng, Romasch. & Barberá | Poaceae | 8 |
| Cissampelos pareira | L. | Menispermaceae | 8 |
| Cissus erosa | Rich. | Vitaceae | 8 |
| Cissus palmata | Poir. | Vitaceae | 8 |
| Cissus verticillata | (L.) Nicolson & C.E.Jarvis | Vitaceae | 8 |
| Citharexylum montevidense | (Spreng.) Moldenke | Verbenaceae | 8 |
| Citharexylum myrianthum | Cham. | Verbenaceae | 8 |
| Cladium mariscus | (L.) Pohl | Cyperaceae | 8 |
| Clematicissus striata | (Ruiz & Pav.) Lombardi | Vitaceae | 8 |
| Clematis campestris | A.St.-Hil. | Ranunculaceae | 8 |
| Clethra scabra | Pers. | Clethraceae | 8 |
| Clinopodium brownei | (Sw.) Kuntze | Lamiaceae | 8 |
| Clitoria fairchildiana | R.A.Howard | Fabaceae | 8 |
| Clitoria guianensis | (Aubl.) Benth. | Fabaceae | 8 |
| Clitoria laurifolia | Poir. | Fabaceae | 8 |
| Clusia criuva | Cambess. | Clusiaceae | 8 |
| Cnidoscolus urens | (L.) Arthur | Euphorbiaceae | 8 |
| Coccocypselum aureum | (Spreng.) Cham. & Schltdl. | Rubiaceae | 8 |
| Coccocypselum cordifolium | Nees & Mart. | Rubiaceae | 8 |
| Coccocypselum lanceolatum | (Ruiz & Pav.) Pers. | Rubiaceae | 8 |
| Cochliasanthus caracalla | (L.) Trew | Fabaceae | 8 |
| Cochlidium serrulatum | (Sw.) L.E.Bishop | Polypodiaceae | 8 |
| Coleataenia prionitis | (Nees) Soreng | Poaceae | 8 |
| Colletia paradoxa | (Spreng.) Escal. | Rhamnaceae | 8 |
| Combretum fruticosum | (Loefl.) Stuntz | Combretaceae | 8 |
| Combretum laxum | Jacq. | Combretaceae | 8 |
| Commelina erecta | L. | Commelinaceae | 8 |
| Commelina longicaulis | Jacq. | Commelinaceae | 8 |
| Commelina obliqua | Vahl | Commelinaceae | 8 |
| Conocarpus erectus | L. | Combretaceae | 8 |
| Convolvulus bonariensis | Cav. | Convolvulaceae | 8 |
| Convolvulus crenatifolius | Ruiz & Pav. | Convolvulaceae | 8 |
| Convolvulus hermanniae | L'Hér. | Convolvulaceae | 8 |
| Copaifera langsdorffii | Desf. | Fabaceae | 8 |
| Cordia alliodora | (Ruiz & Pav.) Oken | Cordiaceae | 8 |
| Cortaderia selloana | (Schult. & Schult.f.) Asch. & Graebn. | Poaceae | 8 |
| Costus arabicus | L. | Costaceae | 8 |
| Costus spiralis | (Jacq.) Roscoe | Costaceae | 8 |
| Coussapoa microcarpa | (Schott) Rizzini | Urticaceae | 8 |
| Craniolaria integrifolia | Cham. | Martyniaceae | 8 |
| Crateva tapia | L. | Capparaceae | 8 |
| Crotalaria incana | L. | Fabaceae | 8 |
| Crotalaria micans | Link | Fabaceae | 8 |
| Croton bonplandianus | Baill. | Euphorbiaceae | 8 |
| Croton floribundus | Spreng. | Euphorbiaceae | 8 |
| Croton glandulosus | L. | Euphorbiaceae | 8 |
| Croton gracilipes | Baill. | Euphorbiaceae | 8 |
| Croton hirtus | L'Hér. | Euphorbiaceae | 8 |
| Croton lanatus | Lam. | Euphorbiaceae | 8 |
| Croton subpannosus | Griseb. | Euphorbiaceae | 8 |
| Croton urucurana | Baill. | Euphorbiaceae | 8 |
| Cucurbitella asperata | (Gillies ex Hook. & Arn.) Walp. | Cucurbitaceae | 8 |
| Cunila galioides | Benth. | Lamiaceae | 8 |
| Cupania vernalis | Cambess. | Sapindaceae | 8 |
| Cuphea carthagenensis | (Jacq.) J.F.Macbr. | Lythraceae | 8 |
| Cuphea fruticosa | Spreng. | Lythraceae | 8 |
| Cuphea glutinosa | Cham. & Schltdl. | Lythraceae | 8 |
| Cuphea racemosa | (L.f.) Spreng. | Lythraceae | 8 |
| Cyathea corcovadensis | (Raddi) Domin | Cyatheaceae | 8 |
| Cyathula prostrata | (L.) Blume | Amaranthaceae | 8 |
| Cybistax antisyphilitica | (Mart.) Mart. | Bignoniaceae | 8 |
| Cyclopogon elatus | (Sw.) Schltr. | Orchidaceae | 8 |
| Cyclosorus interruptus | (Willd.) H.Itô | Thelypteridaceae | 8 |
| Cyclospermum leptophyllum | (Pers.) Sprague | Apiaceae | 8 |
| Cynanchum montevidense | Spreng. | Apocynaceae | 8 |
| Cypella armosa | Ravenna | Iridaceae | 8 |
| Cypella herbertii | (Lindl.) Herb. | Iridaceae | 8 |
| Cyperus aggregatus | (Willd.) Endl. | Cyperaceae | 8 |
| Cyperus articulatus | L. | Cyperaceae | 8 |
| Cyperus brevifolius | (Rottb.) Hassk. | Cyperaceae | 8 |
| Cyperus distans | L.f. | Cyperaceae | 8 |
| Cyperus entrerianus | Boeckeler | Cyperaceae | 8 |
| Cyperus eragrostis | Lam. | Cyperaceae | 8 |
| Cyperus esculentus | L. | Cyperaceae | 8 |
| Cyperus flavescens | L. | Cyperaceae | 8 |
| Cyperus haspan | L. | Cyperaceae | 8 |
| Cyperus hermaphroditus | (Jacq.) Standl. | Cyperaceae | 8 |
| Cyperus lanceolatus | Poir. | Cyperaceae | 8 |
| Cyperus luzulae | (L.) Retz. | Cyperaceae | 8 |
| Cyperus melanostachyus | Kunth | Cyperaceae | 8 |
| Cyperus meyenianus | Kunth | Cyperaceae | 8 |
| Cyperus odoratus | L. | Cyperaceae | 8 |
| Cyperus pedunculatus | (R.Br.) J.Kern | Cyperaceae | 8 |
| Cyperus polystachyos | Rottb. | Cyperaceae | 8 |
| Cyperus prolixus | Kunth | Cyperaceae | 8 |
| Cyperus surinamensis | Rottb. | Cyperaceae | 8 |
| Cyperus trigynus | Spreng. | Cyperaceae | 8 |
| Cyperus virens | Michx. | Cyperaceae | 8 |
| Cyrtocymura scorpioides | (Lam.) H.Rob. | Asteraceae | 8 |
| Cyrtopodium flavum | (Nees) Link & Otto ex Rchb. | Orchidaceae | 8 |
| Dalbergia ecastaphyllum | (L.) Taub. | Fabaceae | 8 |
| Dalechampia scandens | L. | Euphorbiaceae | 8 |
| Daphnopsis racemosa | Griseb. | Thymelaeaceae | 8 |
| Dasyphyllum tomentosum | (Spreng.) Cabrera | Asteraceae | 8 |
| Daucus pusillus | Michx. | Apiaceae | 8 |
| Delilia biflora | Kuntze | Asteraceae | 8 |
| Desmanthus virgatus | (L.) Willd. | Fabaceae | 8 |
| Desmodium incanum | (Sw.) DC. | Fabaceae | 8 |
| Desmodium procumbens | (Mill.) C.L.Hitchc. | Fabaceae | 8 |
| Desmodium tortuosum | (Sw.) DC. | Fabaceae | 8 |
| Desmodium uncinatum | (Jacq.) DC. | Fabaceae | 8 |
| Dianthera comata | L. | Acanthaceae | 8 |
| Dicella nucifera | Chodat | Malpighiaceae | 8 |
| Dichondra brachypoda | Wooton & Standl. | Convolvulaceae | 8 |
| Dichondra microcalyx | (Hallier f.) Fabris | Convolvulaceae | 8 |
| Dichondra sericea | Sw. | Convolvulaceae | 8 |
| Dichorisandra hexandra | (Aubl.) Standl. | Commelinaceae | 8 |
| Dicksonia sellowiana | (C.Presl) Hook. | Dicksoniaceae | 8 |
| Dicliptera squarrosa | Nees | Acanthaceae | 8 |
| Didymopanax morototoni | (Aubl.) Decne. & Planch. | Araliaceae | 8 |
| Digitaria eriostachya | Mez | Poaceae | 8 |
| Digitaria insularis | (L.) Mez ex Ekman | Poaceae | 8 |
| Dioclea virgata | (Rich.) Amshoff | Fabaceae | 8 |
| Dioscorea dodecaneura | Vell. | Dioscoreaceae | 8 |
| Diphasiastrum thyoides | (Willd.) Holub | Lycopodiaceae | 8 |
| Diplachne fusca | (L.) P.Beauv. | Poaceae | 8 |
| Discaria americana | Gillies & Hook. | Rhamnaceae | 8 |
| Distimake aegyptius | (L.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Distimake cissoides | (Lam.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Distimake dissectus | (Jacq.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Dodonaea viscosa | Jacq. | Sapindaceae | 8 |
| Dolichandra cynanchoides | Cham. | Bignoniaceae | 8 |
| Dolichandra quadrivalvis | (Jacq.) L.G.Lohmann | Bignoniaceae | 8 |
| Dolichandra unguis-cati | (L.) L.G.Lohmann | Bignoniaceae | 8 |
| Dorstenia brasiliensis | Lam. | Moraceae | 8 |
| Doryopteris concolor | (Langsd. & Fisch.) Kuhn & Decken | Pteridaceae | 8 |
| Drosera brevifolia | Pursh | Droseraceae | 8 |
| Drosera capillaris | Poir. | Droseraceae | 8 |
| Drosera communis | A.St.-Hil. | Droseraceae | 8 |
| Dryopteris wallichiana | (Spreng.) Hyl. | Dryopteridaceae | 8 |
| Duguetia furfuracea | (A.St.-Hil.) Saff. | Annonaceae | 8 |
| Dysphania ambrosioides | (L.) Mosyakin & Clemants | Chenopodiaceae | 8 |
| Dysphania multifida | (L.) Mosyakin & Clemants | Chenopodiaceae | 8 |
| Dyssochroma viridiflorum | (Sims) Miers | Solanaceae | 8 |
| Echinopsis oxygona | (Link) Zucc. ex Pfeiff. | Cactaceae | 8 |
| Eclipta elliptica | DC. | Asteraceae | 8 |
| Eclipta prostrata | (L.) L. | Asteraceae | 8 |
| Edmundoa lindenii | (Regel) Leme | Bromeliaceae | 8 |
| Elaphoglossum gayanum | (Fée) T.Moore | Dryopteridaceae | 8 |
| Eleocharis elegans | (Kunth) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis montana | (Kunth) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis montevidensis | Kunth | Cyperaceae | 8 |
| Elephantopus mollis | Kunth | Asteraceae | 8 |
| Eleusine tristachya | (Lam.) Lam. | Poaceae | 8 |
| Elionurus muticus | (Spreng.) Kuntze | Poaceae | 8 |
| Elodea densa | (Planch.) Casp. | Hydrocharitaceae | 8 |
| Eltroplectris calcarata | (Sw.) Garay & H.R.Sweet | Orchidaceae | 8 |
| Encyclia patens | Hook. | Orchidaceae | 8 |
| Enterolobium contortisiliquum | (Vell.) Morong | Fabaceae | 8 |
| Enydra sessilis | DC. | Asteraceae | 8 |
| Ephedra tweedieana | C.A.Mey. | Ephedraceae | 8 |
| Epidendrum denticulatum | Barb.Rodr. | Orchidaceae | 8 |
| Epidendrum fulgens | Brongn. | Orchidaceae | 8 |
| Epidendrum nocturnum | Jacq. | Orchidaceae | 8 |
| Epidendrum ramosum | Jacq. | Orchidaceae | 8 |
| Epidendrum rigidum | Jacq. | Orchidaceae | 8 |
| Epilobium hirtigerum | A.Cunn. | Onagraceae | 8 |
| Epiphyllum phyllanthus | (L.) Haw. | Cactaceae | 8 |
| Equisetum bogotense | Kunth | Equisetaceae | 8 |
| Equisetum giganteum | L. | Equisetaceae | 8 |
| Eragrostis hypnoides | (Lam.) Britton, Sterns & Poggenb. | Poaceae | 8 |
| Erechtites hieraciifolius | (L.) Raf. ex DC. | Asteraceae | 8 |
| Erigeron bonariensis | L. | Asteraceae | 8 |
| Erigeron canadensis | L. | Asteraceae | 8 |
| Erigeron floribundus | (Kunth) Sch.Bip. | Asteraceae | 8 |
| Erigeron primulifolium | Juss. ex Cass. | Asteraceae | 8 |
| Erigeron sumatrensis | Retz. | Asteraceae | 8 |
| Eriosema brasiliense | (Vell.) H.F.Menezes, J.F.B.Pastore & L.P.Queiroz | Fabaceae | 8 |
| Eryngium ebracteatum | Lam. | Apiaceae | 8 |
| Eryngium eburneum | Decne. | Apiaceae | 8 |
| Eryngium echinatum | Urb. | Apiaceae | 8 |
| Eryngium elegans | Cham. & Schltdl. | Apiaceae | 8 |
| Eryngium foetidum | L. | Apiaceae | 8 |
| Eryngium horridum | Malme | Apiaceae | 8 |
| Eryngium nudicaule | Lam. | Apiaceae | 8 |
| Eryngium pandanifolium | Cham. & Schltdl. | Apiaceae | 8 |
| Eryngium sanguisorba | Cham. & Schltdl. | Apiaceae | 8 |
| Eryngium serra | Cham. & Schltdl. | Apiaceae | 8 |
| Erythrina crista-galli | L. | Fabaceae | 8 |
| Erythrina falcata | Benth. | Fabaceae | 8 |
| Erythrina speciosa | Andrews | Fabaceae | 8 |
| Escallonia bifida | Link & Otto | Escalloniaceae | 8 |
| Escobedia grandiflora | (L.f.) Kuntze | Orobanchaceae | 8 |
| Eugenia involucrata | DC. | Myrtaceae | 8 |
| Eugenia myrcianthes | Nied. | Myrtaceae | 8 |
| Eugenia punicifolia | (Kunth) DC. | Myrtaceae | 8 |
| Eugenia pyriformis | Cambess. | Myrtaceae | 8 |
| Eugenia uniflora | L. | Myrtaceae | 8 |
| Eulophia alta | (L.) Fawc. & Rendle | Orchidaceae | 8 |
| Eumachia chaenotricha | (DC.) C.M.Taylor & Razafim. | Rubiaceae | 8 |
| Euphorbia berteroana | Balb. ex Spreng. | Euphorbiaceae | 8 |
| Euphorbia hypericifolia | L. | Euphorbiaceae | 8 |
| Euphorbia hyssopifolia | L. | Euphorbiaceae | 8 |
| Euphorbia lasiocarpa | Klotzsch | Euphorbiaceae | 8 |
| Euphorbia ophthalmica | Pers. | Euphorbiaceae | 8 |
| Euphorbia potentilloides | Boiss. | Euphorbiaceae | 8 |
| Euphorbia prostrata | Aiton | Euphorbiaceae | 8 |
| Euphorbia serpens | Kunth | Euphorbiaceae | 8 |
| Euphorbia serpillifolia | Pers. | Euphorbiaceae | 8 |
| Euphorbia thymifolia | L. | Euphorbiaceae | 8 |
| Euploca procumbens | (Mill.) Diane & Hilger | Heliotropiaceae | 8 |
| Eustachys caribaea | (Spreng.) Herter | Poaceae | 8 |
| Eustachys petraea | (Sw.) Desv. | Poaceae | 8 |
| Euterpe edulis | Mart. | Arecaceae | 8 |
| Evolvulus alsinoides | (L.) L. | Convolvulaceae | 8 |
| Evolvulus nummularius | (L.) L. | Convolvulaceae | 8 |
| Evolvulus sericeus | Sw. | Convolvulaceae | 8 |
| Exostigma notobellidiastrum | (Griseb.) G.Sancho | Asteraceae | 8 |
| Facelis retusa | (Lam.) Sch.Bip. | Asteraceae | 8 |
| Faramea hyacinthina | Mart. | Rubiaceae | 8 |
| Feijoa sellowiana | (O.Berg) O.Berg | Myrtaceae | 8 |
| Ficus citrifolia | Mill. | Moraceae | 8 |
| Ficus crocata | Mart. ex Miq. | Moraceae | 8 |
| Ficus luschnathiana | (Miq.) Miq. | Moraceae | 8 |
| Ficus obtusifolia | Kunth | Moraceae | 8 |
| Ficus pertusa | L.f. | Moraceae | 8 |
| Fimbristylis complanata | (Retz.) Link | Cyperaceae | 8 |
| Fimbristylis dichotoma | (L.) Vahl | Cyperaceae | 8 |
| Frangula sphaerosperma | (Sw.) Kartesz & Gandhi | Rhamnaceae | 8 |
| Fridericia chica | (Bonpl.) L.G.Lohmann | Bignoniaceae | 8 |
| Fuchsia regia | (Vand. ex Vell.) Munz | Onagraceae | 8 |
| Fuirena umbellata | Rottb. | Cyperaceae | 8 |
| Funastrum clausum | (Jacq.) Schltr. | Apocynaceae | 8 |
| Gaillardia megapotamica | Baker | Asteraceae | 8 |
| Galactia striata | (Jacq.) Urb. | Fabaceae | 8 |
| Galianthe brasiliensis | (Spreng.) E.L.Cabral & Bacigalupo | Rubiaceae | 8 |
| Galinsoga parviflora | Cav. | Asteraceae | 8 |
| Galinsoga quadriradiata | Ruiz & Pav. | Asteraceae | 8 |
| Galium hypocarpium | (L.) Endl. ex Griseb. | Rubiaceae | 8 |
| Gamochaeta americana | (Mill.) Wedd. | Asteraceae | 8 |
| Gamochaeta calviceps | (Fernald) Cabrera | Asteraceae | 8 |
| Gamochaeta pensylvanica | (Willd.) Cabrera | Asteraceae | 8 |
| Gamochaeta purpurea | (L.) Cabrera | Asteraceae | 8 |
| Gaultheria erecta | Vent. | Ericaceae | 8 |
| Genipa americana | L. | Rubiaceae | 8 |
| Geonoma pohliana | Mart. | Arecaceae | 8 |
| Geonoma schottiana | Mart. | Arecaceae | 8 |
| Geophila macropoda | (Ruiz & Pav.) DC. | Rubiaceae | 8 |
| Geophila repens | (L.) I.M.Johnst. | Rubiaceae | 8 |
| Geranium core-core | Steud. | Geraniaceae | 8 |
| Gibasis geniculata | (Jacq.) Rohweder | Commelinaceae | 8 |
| Gleditsia amorphoides | (Griseb.) Taub. | Fabaceae | 8 |
| Gleichenella pectinata | (Willd.) Ching | Gleicheniaceae | 8 |
| Glinus radiatus | (Ruiz & Pav.) Rohrb. | Molluginaceae | 8 |
| Gliricidia sepium | (Jacq.) Kunth | Fabaceae | 8 |
| Goeppertia colorata | (Hook.) Borchs. & S.Suárez | Marantaceae | 8 |
| Goeppertia zebrina | (Sims) Nees | Marantaceae | 8 |
| Gomesa flexuosa | (G.Lodd.) M.W.Chase & N.H.Williams | Orchidaceae | 8 |
| Gomesa planifolia | (Lindl.) Klotzsch ex Rchb.f. | Orchidaceae | 8 |
| Gomphrena celosioides | Mart. | Amaranthaceae | 8 |
| Gomphrena elegans | Mart. | Amaranthaceae | 8 |
| Gomphrena perennis | L. | Amaranthaceae | 8 |
| Gomphrena pulchella | Mart. | Amaranthaceae | 8 |
| Gomphrena vermicularis | L. | Amaranthaceae | 8 |
| Gonolobus rostratus | (Vahl) Schult. | Apocynaceae | 8 |
| Gratiola peruviana | L. | Plantaginaceae | 8 |
| Grazielia serrata | (Spreng.) R.M.King & H.Rob. | Asteraceae | 8 |
| Grindelia buphthalmoides | DC. | Asteraceae | 8 |
| Grindelia pulchella | Dunal | Asteraceae | 8 |
| Grindelia scorzonerifolia | Hook. & Arn. | Asteraceae | 8 |
| Griselinia ruscifolia | (Gay) Ball | Griseliniaceae | 8 |
| Grona triflora | (L.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Guadua paniculata | Munro | Poaceae | 8 |
| Guadua trinii | (Nees) Rupr. | Poaceae | 8 |
| Guapira opposita | (Vell.) Reitz | Nyctaginaceae | 8 |
| Guarea guidonia | (L.) Sleumer | Meliaceae | 8 |
| Guazuma ulmifolia | Lam. | Malvaceae | 8 |
| Guettarda uruguensis | Cham. & Schltdl. | Rubiaceae | 8 |
| Gunnera manicata | Linden ex André | Gunneraceae | 8 |
| Gymnocoronis spilanthoides | DC. | Asteraceae | 8 |
| Gynerium sagittatum | (Aubl.) P.Beauv. | Poaceae | 8 |
| Habenaria gourlieana | Gillies ex Lindl. | Orchidaceae | 8 |
| Habenaria repens | Nutt. | Orchidaceae | 8 |
| Habranthus robustus | Herb. | Amaryllidaceae | 8 |
| Habranthus tubispathus | (L'Hér.) Traub | Amaryllidaceae | 8 |
| Hamelia patens | Jacq. | Rubiaceae | 8 |
| Hancornia speciosa | Gomes | Apocynaceae | 8 |
| Handroanthus albus | (Cham.) Mattos | Bignoniaceae | 8 |
| Handroanthus chrysotrichus | (Mart. ex DC.) Mattos | Bignoniaceae | 8 |
| Handroanthus heptaphyllus | (Vell.) Mattos | Bignoniaceae | 8 |
| Handroanthus ochraceus | (Cham.) Mattos | Bignoniaceae | 8 |
| Heimia salicifolia | Link | Lythraceae | 8 |
| Helanthium bolivianum | (Rusby) Lehtonen & Myllys | Alismataceae | 8 |
| Heliconia farinosa | Raddi | Heliconiaceae | 8 |
| Heliconia hirsuta | L.f. | Heliconiaceae | 8 |
| Heliconia subulata | Ruiz & Pav. | Heliconiaceae | 8 |
| Heliocarpus americanus | L. | Malvaceae | 8 |
| Heliotropium amplexicaule | Vahl | Heliotropiaceae | 8 |
| Heliotropium angiospermum | Murray | Heliotropiaceae | 8 |
| Heliotropium curassavicum | L. | Heliotropiaceae | 8 |
| Heliotropium elongatum | (Lehm.) Gürke | Heliotropiaceae | 8 |
| Heliotropium indicum | L. | Heliotropiaceae | 8 |
| Helosis cayennensis | (Sw.) Spreng. | Balanophoraceae | 8 |
| Hennecartia omphalandra | J.Poiss. | Monimiaceae | 8 |
| Herbertia lahue | (Molina) Goldblatt | Iridaceae | 8 |
| Herbertia pulchella | Sweet | Iridaceae | 8 |
| Herissantia crispa | (L.) Brizicky | Malvaceae | 8 |
| Heteranthera reniformis | Ruiz & Pav. | Pontederiaceae | 8 |
| Heteropterys glabra | Hook. & Arn. | Malpighiaceae | 8 |
| Hevea brasiliensis | (Willd. ex A.Juss.) Müll.Arg. | Euphorbiaceae | 8 |
| Hexasepalum teres | (Walter) J.H.Kirkbr. | Rubiaceae | 8 |
| Hibiscus striatus | Cav. | Malvaceae | 8 |
| Hibiscus tiliaceus | L. | Malvaceae | 8 |
| Hillia parasitica | Jacq. | Rubiaceae | 8 |
| Hippeastrum striatum | (Lam.) H.E.Moore | Amaryllidaceae | 8 |
| Hippocratea volubilis | L. | Celastraceae | 8 |
| Histiopteris incisa | (Thunb.) J.Sm. | Dennstaedtiaceae | 8 |
| Hydrocleys nymphoides | (Humb. & Bonpl. ex Willd.) Buchenau | Alismataceae | 8 |
| Hydrocotyle bonariensis | Comm. ex Lam. | Araliaceae | 8 |
| Hydrocotyle bowlesioides | Mathias & Constance | Araliaceae | 8 |
| Hydrocotyle hirta | R.Br. ex A.Rich. | Araliaceae | 8 |
| Hydrocotyle leucocephala | Cham. & Schltdl. | Araliaceae | 8 |
| Hydrocotyle ranunculoides | L.f. | Araliaceae | 8 |
| Hydrocotyle verticillata | Thunb. | Araliaceae | 8 |
| Hydrolea spinosa | L. | Hydroleaceae | 8 |
| Hymenachne amplexicaulis | (Rudge) Nees | Poaceae | 8 |
| Hymenaea courbaril | L. | Fabaceae | 8 |
| Hymenophyllum peltatum | (Poir.) Desv. | Hymenophyllaceae | 8 |
| Hymenoxys anthemoides | Cass. | Asteraceae | 8 |
| Hypericum connatum | Lam. | Hypericaceae | 8 |
| Hypochaeris albiflora | (Kuntze) Azevêdo-Gonç. & Matzenb. | Asteraceae | 8 |
| Hypochaeris chillensis | (Kunth) Britton | Asteraceae | 8 |
| Hypoxis decumbens | L. | Hypoxidaceae | 8 |
| Hyptis alata | (Raf.) Shinners | Lamiaceae | 8 |
| Hyptis brevipes | Poit. | Lamiaceae | 8 |
| Hyptis lappacea | Benth. | Lamiaceae | 8 |
| Hysterionica resinosa | (Spreng.) P.L.R.Moraes | Asteraceae | 8 |
| Ibicella lutea | (Lindl.) Van Eselt. | Martyniaceae | 8 |
| Ichnanthus pallens | (Sw.) Munro ex Benth. | Poaceae | 8 |
| Ilex paraguariensis | A.St.-Hil. | Aquifoliaceae | 8 |
| Indigofera hirsuta | L. | Fabaceae | 8 |
| Indigofera suffruticosa | Mill. | Fabaceae | 8 |
| Inga edulis | Mart. | Fabaceae | 8 |
| Inga laurina | (Sw.) Willd. | Fabaceae | 8 |
| Inga marginata | Willd. | Fabaceae | 8 |
| Inga uraguensis | Hook. & Arn. | Fabaceae | 8 |
| Iochroma arborescens | (L.) J.M.H.Shaw | Solanaceae | 8 |
| Ionopsis utricularioides | (Sw.) Lindl. | Orchidaceae | 8 |
| Ipomoea alba | L. | Convolvulaceae | 8 |
| Ipomoea aristolochiifolia | G.Don | Convolvulaceae | 8 |
| Ipomoea carnea | Jacq. | Convolvulaceae | 8 |
| Ipomoea corymbosa | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea dumosa | (Benth.) L.O.Williams | Convolvulaceae | 8 |
| Ipomoea grandifolia | (Dammer) O'Donell | Convolvulaceae | 8 |
| Ipomoea hederifolia | L. | Convolvulaceae | 8 |
| Ipomoea imperati | (Vahl) Griseb. | Convolvulaceae | 8 |
| Ipomoea indica | (Burm.) Merr. | Convolvulaceae | 8 |
| Ipomoea indivisa | (Vell.) Hallier f. | Convolvulaceae | 8 |
| Ipomoea nil | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea pes-caprae | (L.) R.Br. | Convolvulaceae | 8 |
| Ipomoea platensis | Herb. ex Ker Gawl. | Convolvulaceae | 8 |
| Ipomoea purpurea | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea setifera | Poir. | Convolvulaceae | 8 |
| Ipomoea tiliacea | (Willd.) Choisy | Convolvulaceae | 8 |
| Ipomoea triloba | L. | Convolvulaceae | 8 |
| Iresine diffusa | Humb. & Bonpl. ex Willd. | Amaranthaceae | 8 |
| Isochilus linearis | (Jacq.) R.Br. | Orchidaceae | 8 |
| Isolepis cernua | (Vahl) Roem. & Schult. | Cyperaceae | 8 |
| Jaborosa integrifolia | Lam. | Solanaceae | 8 |
| Jacaranda puberula | Cham. | Bignoniaceae | 8 |
| Jacaratia spinosa | (Aubl.) A.DC. | Caricaceae | 8 |
| Jacquemontia evolvuloides | Meisn. | Convolvulaceae | 8 |
| Jacquemontia tamnifolia | (L.) Griseb. | Convolvulaceae | 8 |
| Jaegeria hirta | (Lag.) Less. | Asteraceae | 8 |
| Janusia guaranitica | (A.St.-Hil.) A.Juss. | Malpighiaceae | 8 |
| Jatropha curcas | L. | Euphorbiaceae | 8 |
| Jatropha gossypiifolia | L. | Euphorbiaceae | 8 |
| Jodina rhombifolia | (Hook. & Arn.) Hook. & Arn. ex Reissek | Santalaceae | 8 |
| Juncus acutus | L. | Juncaceae | 8 |
| Juncus biflorus | Elliott | Juncaceae | 8 |
| Juncus bufonius | L. | Juncaceae | 8 |
| Juncus densiflorus | Kunth | Juncaceae | 8 |
| Juncus dichotomus | Elliott | Juncaceae | 8 |
| Juncus imbricatus | Laharpe | Juncaceae | 8 |
| Juncus kraussii | Hochst. | Juncaceae | 8 |
| Jungia floribunda | Less. | Asteraceae | 8 |
| Justicia brasiliana | Roth | Acanthaceae | 8 |
| Justicia carnea | Lindl. | Acanthaceae | 8 |
| Justicia goudotii | V.A.W.Graham | Acanthaceae | 8 |
| Kielmeyera coriacea | Mart. | Calophyllaceae | 8 |
| Kielmeyera variabilis | Mart. & Zucc. | Calophyllaceae | 8 |
| Krapovickasia flavescens | (Cav.) Fryxell | Malvaceae | 8 |
| Labatia gardneriana | (A.DC.) Alves-Araújo | Sapotaceae | 8 |
| Labatia salicifolia | Mart. | Sapotaceae | 8 |
| Lafoensia pacari | A.St.-Hil. | Lythraceae | 8 |
| Laguncularia racemosa | (L.) C.F.Gaertn. | Combretaceae | 8 |
| Langsdorffia hypogaea | Mart. | Balanophoraceae | 8 |
| Lantana fucata | Lindl. | Verbenaceae | 8 |
| Lantana horrida | Kunth | Verbenaceae | 8 |
| Lantana montevidensis | (Spreng.) Briq. | Verbenaceae | 8 |
| Lantana rugulosa | Kunth | Verbenaceae | 8 |
| Lantana trifolia | L. | Verbenaceae | 8 |
| Laportea aestuans | (L.) Chew | Urticaceae | 8 |
| Lasiacis divaricata | (L.) Hitchc. | Poaceae | 8 |
| Lasiacis ligulata | Hitchc. & Chase | Poaceae | 8 |
| Leersia hexandra | Sw. | Poaceae | 8 |
| Lemna aequinoctialis | Welw. | Araceae | 8 |
| Lemna gibba | L. | Araceae | 8 |
| Lemna minuta | Kunth | Araceae | 8 |
| Lepidium bonariense | L. | Brassicaceae | 8 |
| Lepidium didymum | L. | Brassicaceae | 8 |
| Lepismium cruciforme | (Vell.) Miq. | Cactaceae | 8 |
| Lepismium lumbricoides | (Lem.) Barthlott | Cactaceae | 8 |
| Leptospron adenanthum | (G.Mey.) A.Delgado | Fabaceae | 8 |
| Leptostelma maximum | D.Don | Asteraceae | 8 |
| Lepuropetalon spathulatum | Elliott | Celastraceae | 8 |
| Lessingianthus rubricaulis | (Humb. & Bonpl.) H.Rob. | Asteraceae | 8 |
| Ligaria cuneifolia | (Ruiz & Pav.) Tiegh. | Loranthaceae | 8 |
| Lilaeopsis carolinensis | J.M.Coult. & Rose | Apiaceae | 8 |
| Limonium brasiliense | (Boiss.) Kuntze | Plumbaginaceae | 8 |
| Limosella australis | R.Br. | Plantaginaceae | 8 |
| Lindernia dubia | (L.) Pennell | Linderniaceae | 8 |
| Liparis nervosa | (Thunb.) Lindl. | Orchidaceae | 8 |
| Lippia alba | (Mill.) N.E.Br. ex Britton & P.Wilson | Verbenaceae | 8 |
| Lippia lupulina | Cham. | Verbenaceae | 8 |
| Lithraea brasiliensis | Marchand | Anacardiaceae | 8 |
| Lithraea molleoides | (Vell.) Engl. | Anacardiaceae | 8 |
| Lomariocycas tabularis | (Thunb.) Gasper & A.R.Sm. | Blechnaceae | 8 |
| Lophosoria quadripinnata | (J.F.Gmel.) C.Chr. | Dicksoniaceae | 8 |
| Loudetiopsis chrysothrix | (Nees) Conert | Poaceae | 8 |
| Lucilia acutifolia | (Poir.) Cass. | Asteraceae | 8 |
| Ludwigia bonariensis | (Micheli) H.Hara | Onagraceae | 8 |
| Ludwigia decurrens | Walter | Onagraceae | 8 |
| Ludwigia elegans | (Cambess.) H.Hara | Onagraceae | 8 |
| Ludwigia erecta | (L.) H.Hara | Onagraceae | 8 |
| Ludwigia grandiflora | (Michx.) Greuter & Burdet | Onagraceae | 8 |
| Ludwigia hexapetala | (Hook. & Arn.) Zardini, H.Y.Gu & P.H.Raven | Onagraceae | 8 |
| Ludwigia hyssopifolia | (G.Don) Exell | Onagraceae | 8 |
| Ludwigia leptocarpa | (Nutt.) H.Hara | Onagraceae | 8 |
| Ludwigia longifolia | (DC.) H.Hara | Onagraceae | 8 |
| Ludwigia major | (Micheli) Ramamoorthy | Onagraceae | 8 |
| Ludwigia multinervia | (Hook. & Arn.) Ramamoorthy | 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 sericea | (Cambess.) H.Hara | Onagraceae | 8 |
| Luehea divaricata | Mart. | Malvaceae | 8 |
| Luehea grandiflora | Mart. | Malvaceae | 8 |
| Lupinus albescens | Hook. & Arn. | Fabaceae | 8 |
| Lupinus bracteolaris | Desr. | Fabaceae | 8 |
| Lupinus multiflorus | Desr. | Fabaceae | 8 |
| Lycianthes rantonnetii | (Carrière) Bitter | Solanaceae | 8 |
| Lycium boerhaviifolium | L.f. | Solanaceae | 8 |
| Lycopodiella alopecuroides | (L.) Cranfill | Lycopodiaceae | 8 |
| Lycopodium clavatum | L. | Lycopodiaceae | 8 |
| Lygodium venustum | Sw. | Lygodiaceae | 8 |
| Lysimachia minima | (L.) U.Manns & Anderb. | Primulaceae | 8 |
| Lythrum maritimum | Kunth | Lythraceae | 8 |
| Machaerium hirtum | (Vell.) Stellfeld | Fabaceae | 8 |
| Maclura tinctoria | (L.) D.Don ex G.Don | Moraceae | 8 |
| Macroptilium bracteatum | (Nees & Mart.) Maréchal & Baudet | Fabaceae | 8 |
| Macroptilium lathyroides | (L.) Urb. | Fabaceae | 8 |
| Macroptilium prostratum | (Benth.) Urb. | Fabaceae | 8 |
| Magnolia ovata | (A.St.-Hil.) Spreng. | Magnoliaceae | 8 |
| Malvastrum americanum | (L.) Torr. | Malvaceae | 8 |
| Malvastrum coromandelianum | (L.) Garcke | Malvaceae | 8 |
| Mandevilla coccinea | Woodson | Apocynaceae | 8 |
| Mandevilla pentlandiana | Woodson | Apocynaceae | 8 |
| Mandevilla petraea | (A.St.-Hil.) Pichon | Apocynaceae | 8 |
| Manettia cordifolia | Mart. | Rubiaceae | 8 |
| Manihot esculenta | Crantz | Euphorbiaceae | 8 |
| Manihot grahamii | Hook. | Euphorbiaceae | 8 |
| Marcetia taxifolia | (A.St.-Hil.) DC. | Melastomataceae | 8 |
| Margaritaria nobilis | L.f. | Phyllanthaceae | 8 |
| Margyricarpus pinnatus | (Lam.) Kuntze | Rosaceae | 8 |
| Marsypianthes chamaedrys | (Vahl) Kuntze | Lamiaceae | 8 |
| Mayaca fluviatilis | Aubl. | Mayacaceae | 8 |
| Mayaca sellowiana | Kunth | Mayacaceae | 8 |
| Maytenus boaria | Molina | Celastraceae | 8 |
| Maytenus ilicifolia | Mart. ex Reissek | Celastraceae | 8 |
| Mecardonia procumbens | (Mill.) Small | Plantaginaceae | 8 |
| Melampodium divaricatum | DC. | Asteraceae | 8 |
| Melanthera latifolia | (Gardner) Cabrera | Asteraceae | 8 |
| Melica macra | Nees | Poaceae | 8 |
| Melochia pyramidata | L. | Malvaceae | 8 |
| Melothria pendula | L. | Cucurbitaceae | 8 |
| Meniscium serratum | Cav. | Thelypteridaceae | 8 |
| Mesechites trifidus | (Jacq.) Müll.Arg. | Apocynaceae | 8 |
| Mesosphaerum pectinatum | (L.) Kuntze | Lamiaceae | 8 |
| Miconia albicans | (Sw.) Steud. | Melastomataceae | 8 |
| Miconia australis | (Cham.) R.Goldenb. | Melastomataceae | 8 |
| Miconia calvescens | DC. | Melastomataceae | 8 |
| Miconia chamissois | Naudin | Melastomataceae | 8 |
| Miconia crenata | (Vahl) Michelang. | Melastomataceae | 8 |
| Miconia dependens | (Pav. ex D.Don) Judd & Majure | Melastomataceae | 8 |
| Miconia hyemalis | A.St.-Hil. & Naudin ex Naudin | Melastomataceae | 8 |
| Miconia ibaguensis | (Bonpl.) Triana | Melastomataceae | 8 |
| Miconia melastomoides | (Raddi) R.Goldenb. | Melastomataceae | 8 |
| Miconia prasina | (Sw.) DC. | Melastomataceae | 8 |
| Miconia reversa | (DC.) Ocampo & Almeda | Melastomataceae | 8 |
| Miconia stenostachya | DC. | Melastomataceae | 8 |
| Micranthemum umbrosum | (J.F.Gmel.) S.F.Blake | Linderniaceae | 8 |
| Microgramma lycopodioides | (L.) Copel. | Polypodiaceae | 8 |
| Microgramma mortoniana | de la Sota | Polypodiaceae | 8 |
| Microgramma squamulosa | (Kaulf.) de la Sota | Polypodiaceae | 8 |
| Microstachys corniculata | (Vahl) A.Juss. ex Griseb. | Euphorbiaceae | 8 |
| Mikania cordifolia | (L.f.) Willd. | Asteraceae | 8 |
| Mikania micrantha | Kunth | Asteraceae | 8 |
| Mikania periplocifolia | Hook. & Arn. | Asteraceae | 8 |
| Miltonia flavescens | (Lindl.) Lindl. | Orchidaceae | 8 |
| Mimosa bimucronata | (DC.) Kuntze | Fabaceae | 8 |
| Mimosa caesalpiniifolia | Benth. | Fabaceae | 8 |
| Mimosa candollei | R.Grether | Fabaceae | 8 |
| Mimosa ceratonia | L. | Fabaceae | 8 |
| Mimosa diplotricha | C.Wright | Fabaceae | 8 |
| Mimosa flagellaris | Benth. | Fabaceae | 8 |
| Mimosa pigra | L. | Fabaceae | 8 |
| Mimosa pudica | L. | Fabaceae | 8 |
| Mimosa tweedieana | Barneby ex Glazier & Mackinder | Fabaceae | 8 |
| Mimosa velloziana | Mart. | Fabaceae | 8 |
| Mitracarpus hirtus | (L.) DC. | Rubiaceae | 8 |
| Modiola caroliniana | (L.) G.Don | Malvaceae | 8 |
| Modiolastrum malvifolium | (Griseb.) K.Schum. | Malvaceae | 8 |
| Mollugo verticillata | L. | Molluginaceae | 8 |
| Monnina dictyocarpa | Griseb. | Polygalaceae | 8 |
| Monstera adansonii | Schott | Araceae | 8 |
| Morisonia flexuosa | L. | Capparaceae | 8 |
| Morisonia tweedieana | (Eichler) Christenh. & Byng | Capparaceae | 8 |
| Mucuna sloanei | Fawc. & Rendle | Fabaceae | 8 |
| Mucuna urens | (L.) Medik. | Fabaceae | 8 |
| Muehlenbeckia sagittifolia | (Ortega) Meisn. | Polygonaceae | 8 |
| Muhlenbergia schreberi | J.F.Gmel. | Poaceae | 8 |
| Mutisia coccinea | A.St.-Hil. | Asteraceae | 8 |
| Myrceugenia glaucescens | (Cambess.) D.Legrand & Kausel | Myrtaceae | 8 |
| Myrcia palustris | DC. | Myrtaceae | 8 |
| Myrcia selloi | (Spreng.) N.Silveira | Myrtaceae | 8 |
| Myrcia splendens | (Sw.) DC. | Myrtaceae | 8 |
| Myrcianthes cisplatensis | (Cambess.) O.Berg | Myrtaceae | 8 |
| Myrcianthes pungens | (O.Berg) D.Legrand | Myrtaceae | 8 |
| Myriophyllum aquaticum | (Vell.) Verdc. | Haloragaceae | 8 |
| Myriophyllum quitense | Kunth | Haloragaceae | 8 |
| Myriopus rubicundus | (Salzm. ex DC.) Luebert | Heliotropiaceae | 8 |
| Myriopus salzmannii | (DC.) Diane & Hilger | Heliotropiaceae | 8 |
| Myrrhinium atropurpureum | Schott | Myrtaceae | 8 |
| Myrsine coriacea | (Sw.) R.Br. ex Roem. & Schult. | Primulaceae | 8 |
| Myrsine laetevirens | (Mez) Arechav. | Primulaceae | 8 |
| Myrsine lorentziana | (Mez) Arechav. | Primulaceae | 8 |
| Myrsine parvifolia | A.DC. | Primulaceae | 8 |
| Nanogalactia heterophylla | (Gillies ex Hook.) L.P.Queiroz | Fabaceae | 8 |
| Nassella neesiana | (Trin. & Rupr.) Barkworth | Poaceae | 8 |
| Nassella trichotoma | (Nees) Hack. & Arechav. | Poaceae | 8 |
| Nectandra angustifolia | (Schrad.) Nees & Mart. | Lauraceae | 8 |
| Neja pinifolia | (Poir.) G.L.Nesom | Asteraceae | 8 |
| Neltuma affinis | (Spreng.) C.E.Hughes & G.P.Lewis | Fabaceae | 8 |
| Neltuma nigra | (Griseb.) C.E.Hughes & G.P.Lewis | Fabaceae | 8 |
| Nemaconia striata | (Lindl.) Van den Berg, Salazar & Soto Arenas | Orchidaceae | 8 |
| Neoblechnum brasiliense | (Desv.) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Nephrolepis biserrata | (Sw.) Schott | Nephrolepidaceae | 8 |
| Nephrolepis exaltata | (L.) Schott | Nephrolepidaceae | 8 |
| Nephrolepis rivularis | (Vahl) Mett. ex Krug | Nephrolepidaceae | 8 |
| Neptunia pubescens | Benth. | Fabaceae | 8 |
| Nicotiana alata | Link & Otto | Solanaceae | 8 |
| Nicotiana glauca | Graham | Solanaceae | 8 |
| Nicotiana longiflora | Cav. | Solanaceae | 8 |
| Nidularium innocentii | Lem. | Bromeliaceae | 8 |
| Nierembergia aristata | D.Don | Solanaceae | 8 |
| Nierembergia linariifolia | Graham | Solanaceae | 8 |
| Niphidium crassifolium | (L.) Lellinger | Polypodiaceae | 8 |
| Nothoscordum gracile | (Aiton) Stearn | Amaryllidaceae | 8 |
| Noticastrum acuminatum | (DC.) Cuatrec. | Asteraceae | 8 |
| Noticastrum diffusum | (Pers.) Cabrera | Asteraceae | 8 |
| Notylia pubescens | Lindl. | Orchidaceae | 8 |
| Nymphaea pulchella | DC. | Nymphaeaceae | 8 |
| Nymphoides humboldtiana | (Kunth) Kuntze | Menyanthaceae | 8 |
| Ocimum campechianum | Mill. | Lamiaceae | 8 |
| Ocimum carnosum | (Spreng.) Link & Otto ex Benth. | Lamiaceae | 8 |
| Ocotea acutifolia | (Nees) Mez | Lauraceae | 8 |
| Ocotea puberula | (Rich.) Nees | Lauraceae | 8 |
| Oenothera affinis | Cambess. | Onagraceae | 8 |
| Oenothera centaureifolia | Steud. | Onagraceae | 8 |
| Oenothera indecora | Cambess. | Onagraceae | 8 |
| Oenothera mollissima | L. | Onagraceae | 8 |
| Oleandra articulata | (Sw.) C.Presl | Oleandraceae | 8 |
| Ophioglossum crotalophoroides | Walter | Ophioglossaceae | 8 |
| Oplismenus compositus | (L.) P.Beauv. | Poaceae | 8 |
| Oplismenus hirtellus | (L.) P.Beauv. | Poaceae | 8 |
| Opuntia arechavaletae | Speg. | Cactaceae | 8 |
| Opuntia bonaerensis | Speg. | Cactaceae | 8 |
| Opuntia elata | Link & Otto ex Salm-Dyck | Cactaceae | 8 |
| Opuntia megapotamica | Arechav. | Cactaceae | 8 |
| Opuntia monacantha | (Willd.) Haw. | Cactaceae | 8 |
| Oreopanax capitatus | (Jacq.) Decne. & Planch. | Araliaceae | 8 |
| Orthosia scoparia | (Nutt.) Liede & Meve | Apocynaceae | 8 |
| Orthosia virgata | (Poir.) E.Fourn. | Apocynaceae | 8 |
| Osmunda spectabilis | Willd. | Osmundaceae | 8 |
| Osmundastrum cinnamomeum | (L.) C.Presl | Osmundaceae | 8 |
| Oxalis articulata | Savigny | Oxalidaceae | 8 |
| Oxalis barrelieri | L. | Oxalidaceae | 8 |
| Oxalis brasiliensis | G.Lodd. ex Drapiez | Oxalidaceae | 8 |
| Oxalis conorrhiza | Jacq. | Oxalidaceae | 8 |
| Oxalis debilis | Kunth | Oxalidaceae | 8 |
| Oxalis hispidula | Zucc. | Oxalidaceae | 8 |
| Oxalis niederleinii | R.Knuth | Oxalidaceae | 8 |
| Oxalis perdicaria | (Molina) Bertero | Oxalidaceae | 8 |
| Oxalis sellowiana | Zucc. | Oxalidaceae | 8 |
| Oxalis triangularis | A.St.-Hil. | Oxalidaceae | 8 |
| Oxypetalum arnottianum | H.Buek | Apocynaceae | 8 |
| Oxypetalum banksii | R.Br. ex Schult. | Apocynaceae | 8 |
| Oxypetalum coccineum | Griseb. | Apocynaceae | 8 |
| Oxypetalum cordifolium | (Vent.) Schltr. | Apocynaceae | 8 |
| Oxypetalum erectum | Mart. | Apocynaceae | 8 |
| Oxypetalum solanoides | Hook. & Arn. | Apocynaceae | 8 |
| Pachira glabra | Pasq. | Malvaceae | 8 |
| Pachystachys dubiosa | (Lindau) A.L.A.Côrtes | Acanthaceae | 8 |
| Palhinhaea cernua | (L.) Vasc. & Franco | Lycopodiaceae | 8 |
| Palicourea crocea | (Sw.) Schult. | Rubiaceae | 8 |
| Palicourea deflexa | (DC.) Borhidi | Rubiaceae | 8 |
| Palicourea hoffmannseggiana | (Willd. ex Schult.) Borhidi | Rubiaceae | 8 |
| Palicourea leiocarpa | (Cham. & Schltdl.) Delprete | Rubiaceae | 8 |
| Palicourea marcgravii | A.St.-Hil. | Rubiaceae | 8 |
| Palicourea rigida | Kunth | Rubiaceae | 8 |
| Panicum dichotomiflorum | Michx. | Poaceae | 8 |
| Panicum racemosum | (P.Beauv.) Spreng. | Poaceae | 8 |
| Pappophorum philippianum | Parodi | Poaceae | 8 |
| Parapiptadenia rigida | (Benth.) Brenan | Fabaceae | 8 |
| Parastrephia lucida | (Meyen) Cabrera | Asteraceae | 8 |
| Parietaria floridana | Nutt. | Urticaceae | 8 |
| Parkinsonia aculeata | L. | Fabaceae | 8 |
| Parodia mammulosa | (Lem.) N.P.Taylor | Cactaceae | 8 |
| Parodia ottonis | (Lehm.) N.P.Taylor | Cactaceae | 8 |
| Parodia scopa | (Spreng.) N.P.Taylor | Cactaceae | 8 |
| Paspalum acuminatum | Raddi | Poaceae | 8 |
| Paspalum conjugatum | P.J.Bergius | Poaceae | 8 |
| Paspalum denticulatum | Trin. | Poaceae | 8 |
| Paspalum dilatatum | Poir. | Poaceae | 8 |
| Paspalum distichum | L. | Poaceae | 8 |
| Paspalum mandiocanum | Trin. | Poaceae | 8 |
| Paspalum notatum | Flüggé | Poaceae | 8 |
| Paspalum paniculatum | L. | Poaceae | 8 |
| Paspalum pilosum | Lam. | Poaceae | 8 |
| Paspalum plicatulum | Michx. | Poaceae | 8 |
| Paspalum quadrifarium | Lam. | Poaceae | 8 |
| Paspalum repens | P.J.Bergius | Poaceae | 8 |
| Paspalum urvillei | Steud. | Poaceae | 8 |
| Paspalum vaginatum | Sw. | Poaceae | 8 |
| Passiflora actinia | Hook. | Passifloraceae | 8 |
| Passiflora alata | Curtis | Passifloraceae | 8 |
| Passiflora amethystina | J.C.Mikan | Passifloraceae | 8 |
| Passiflora caerulea | L. | Passifloraceae | 8 |
| Passiflora capsularis | L. | Passifloraceae | 8 |
| Passiflora edulis | Sims | Passifloraceae | 8 |
| Passiflora foetida | L. | Passifloraceae | 8 |
| Passiflora miersii | Mast. | Passifloraceae | 8 |
| Passiflora misera | Kunth | Passifloraceae | 8 |
| Passiflora morifolia | Mast. | Passifloraceae | 8 |
| Passiflora porophylla | Vell. | Passifloraceae | 8 |
| Passiflora quadrangularis | L. | Passifloraceae | 8 |
| Passiflora suberosa | L. | Passifloraceae | 8 |
| Paullinia pinnata | L. | Sapindaceae | 8 |
| Pavonia angustipetala | Krapov. | Malvaceae | 8 |
| Pavonia aurigloba | Krapov. | Malvaceae | 8 |
| Pavonia fruticosa | Fawc. & Rendle | Malvaceae | 8 |
| Pavonia hastata | Cav. | Malvaceae | 8 |
| Pavonia schiedeana | Steud. | Malvaceae | 8 |
| Pavonia sepium | A.St.-Hil. | Malvaceae | 8 |
| Peltophorum dubium | (Spreng.) Taub. | Fabaceae | 8 |
| Peperomia catharinae | Miq. | Piperaceae | 8 |
| Peperomia emarginella | (Sw. ex Wikstr.) C.DC. | Piperaceae | 8 |
| Peperomia galioides | Kunth | Piperaceae | 8 |
| Peperomia glabella | (Sw.) A.Dietr. | Piperaceae | 8 |
| Peperomia hernandiifolia | (Vahl) A.Dietr. | Piperaceae | 8 |
| Peperomia increscens | Miq. | Piperaceae | 8 |
| Peperomia obtusifolia | (L.) A.Dietr. | Piperaceae | 8 |
| Peperomia pellucida | (L.) Kunth | Piperaceae | 8 |
| Peperomia quadrifolia | (L.) Kunth | Piperaceae | 8 |
| Peperomia rotundifolia | (L.) Kunth | Piperaceae | 8 |
| Peperomia tetraphylla | (G.Forst.) Hook. & Arn. | Piperaceae | 8 |
| Peperomia urocarpa | Fisch. & C.A.Mey. | Piperaceae | 8 |
| Pera glabrata | (Schott) Poepp. ex Baill. | Peraceae | 8 |
| Pereskia aculeata | Mill. | Cactaceae | 8 |
| Pereskia grandifolia | Haw. | Cactaceae | 8 |
| Perezia multiflora | (Bonpl.) Less. | Asteraceae | 8 |
| Periandra mediterranea | (Vell.) Taub. | Fabaceae | 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 |
| Persicaria setacea | Small | Polygonaceae | 8 |
| Petiveria alliacea | L. | Petiveriaceae | 8 |
| Petrea volubilis | L. | Verbenaceae | 8 |
| Petunia axillaris | (Lam.) Britton, Sterns & Poggenb. | Solanaceae | 8 |
| Petunia integrifolia | (Hook.) Schinz & Thell. | Solanaceae | 8 |
| Pfaffia glomerata | (Spreng.) Pedersen | Amaranthaceae | 8 |
| Pfaffia gnaphalioides | (L.f.) Mart. | Amaranthaceae | 8 |
| Pfaffia tuberosa | (Spreng.) Hicken | Amaranthaceae | 8 |
| Phalocallis coelestis | (Lehm.) Ravenna | Iridaceae | 8 |
| Pharus lappulaceus | Aubl. | Poaceae | 8 |
| Philodendron bipinnatifidum | Schott ex Endl. | Araceae | 8 |
| Philodendron hederaceum | (Jacq.) Schott | Araceae | 8 |
| Philodendron undulatum | Engl. | Araceae | 8 |
| Phlebodium aureum | (L.) J.Sm. | Polypodiaceae | 8 |
| Phlebodium decumanum | (Willd.) J.Sm. | Polypodiaceae | 8 |
| Phlebodium pseudoaureum | (Cav.) Lellinger | Polypodiaceae | 8 |
| Phoradendron bathyoryctum | Eichler | Santalaceae | 8 |
| Phoradendron piperoides | (Kunth) Trel. | Santalaceae | 8 |
| Phoradendron quadrangulare | (Kunth) Griseb. | Santalaceae | 8 |
| Phyla nodiflora | (L.) Greene | Verbenaceae | 8 |
| Phyllanthus amarus | Schumach. & Thonn. | Phyllanthaceae | 8 |
| Phyllanthus caroliniensis | Walter | Phyllanthaceae | 8 |
| Phyllanthus niruri | L. | Phyllanthaceae | 8 |
| Phyllanthus sellowianus | (Klotzsch) Müll.Arg. | Phyllanthaceae | 8 |
| Physalis angulata | L. | Solanaceae | 8 |
| Physalis pubescens | L. | Solanaceae | 8 |
| Physalis viscosa | L. | Solanaceae | 8 |
| Phytolacca bogotensis | Kunth | Phytolaccaceae | 8 |
| Phytolacca dioica | L. | Phytolaccaceae | 8 |
| Phytolacca thyrsiflora | Fenzl ex J.A.Schmidt | Phytolaccaceae | 8 |
| Picrosia longifolia | D.Don | Asteraceae | 8 |
| Pilularia americana | A.Br. | Marsileaceae | 8 |
| Piper aduncum | L. | Piperaceae | 8 |
| Piper amalago | L. | Piperaceae | 8 |
| Piper hispidum | Sw. | Piperaceae | 8 |
| Piper marginatum | Jacq. | Piperaceae | 8 |
| Piper peltatum | L. | Piperaceae | 8 |
| Piper tuberculatum | Jacq. | Piperaceae | 8 |
| Piper umbellatum | L. | Piperaceae | 8 |
| Piptadenia gonoacantha | (Mart.) J.F.Macbr. | Fabaceae | 8 |
| Piriqueta cistoides | (L.) Griseb. | Passifloraceae | 8 |
| Pisonia aculeata | L. | Nyctaginaceae | 8 |
| Pistia stratiotes | L. | Araceae | 8 |
| Pitcairnia flammea | Lindl. | Bromeliaceae | 8 |
| Pityrogramma calomelanos | (L.) Link | Pteridaceae | 8 |
| Pityrogramma trifoliata | (L.) R.M.Tryon | Pteridaceae | 8 |
| Plantago australis | Lam. | Plantaginaceae | 8 |
| Plantago tomentosa | Lam. | Plantaginaceae | 8 |
| Pleopeltis hirsutissima | (Raddi) de la Sota | Polypodiaceae | 8 |
| Pleopeltis lepidopteris | (Langsd. & Fisch.) de la Sota | Polypodiaceae | 8 |
| Pleopeltis macrocarpa | (Bory ex Willd.) Kaulf. | Polypodiaceae | 8 |
| Pleopeltis minima | (Bory) J.Prado & R.Y.Hirai | Polypodiaceae | 8 |
| Pleopeltis pleopeltifolia | (Raddi) Alston | Polypodiaceae | 8 |
| Pleroma granulosum | (Desr.) D.Don | Melastomataceae | 8 |
| Pleroma martiale | (Cham.) Triana | Melastomataceae | 8 |
| Pleroma urvilleanum | (DC.) P.J.F.Guim. & Michelang. | Melastomataceae | 8 |
| Plinia cauliflora | (Mart.) Kausel | Myrtaceae | 8 |
| Pluchea sagittalis | (Lam.) Cabrera | Asteraceae | 8 |
| Plumbago zeylanica | L. | Plumbaginaceae | 8 |
| Podocarpus lambertii | Klotzsch ex Endl. | Podocarpaceae | 8 |
| Podocoma hieraciifolia | (Poir.) Cass. | Asteraceae | 8 |
| Poikilacanthus glandulosus | (Nees) Ariza | Acanthaceae | 8 |
| Poiretia latifolia | Vogel | Fabaceae | 8 |
| Polycarpaea corymbosa | (L.) Lam. | Caryophyllaceae | 8 |
| Polystachya concreta | (Jacq.) Garay & H.R.Sweet | Orchidaceae | 8 |
| Polystachya foliosa | (Hook.) Rchb.f. | Orchidaceae | 8 |
| Pombalia bigibbosa | (A.St.-Hil.) Paula-Souza | Violaceae | 8 |
| Pombalia communis | (A.St.-Hil.) Paula-Souza | Violaceae | 8 |
| Pombalia parviflora | (L.f.) Paula-Souza | Violaceae | 8 |
| Pontederia azurea | Sw. | Pontederiaceae | 8 |
| Pontederia cordata | L. | Pontederiaceae | 8 |
| Pontederia crassipes | Mart. | Pontederiaceae | 8 |
| Pontederia rotundifolia | L.f. | Pontederiaceae | 8 |
| Pontederia sagittata | C.Presl | Pontederiaceae | 8 |
| Porophyllum ruderale | (Jacq.) Cass. | Asteraceae | 8 |
| Portulaca amilis | Speg. | Portulacaceae | 8 |
| Portulaca cryptopetala | Speg. | Portulacaceae | 8 |
| Portulaca grandiflora | Hook. | Portulacaceae | 8 |
| Portulaca umbraticola | Kunth | Portulacaceae | 8 |
| Posoqueria latifolia | (Rudge) Schult. | Rubiaceae | 8 |
| Potamogeton illinoensis | Morong | Potamogetonaceae | 8 |
| Potamogeton pusillus | L. | Potamogetonaceae | 8 |
| Pouteria gardneri | (Mart. & Miq.) Baehni | Sapotaceae | 8 |
| Praecereus euchlorus | (F.A.C.Weber ex K.Schum.) N.P.Taylor | Cactaceae | 8 |
| Praxelis clematidea | R.M.King & H.Rob. | Asteraceae | 8 |
| Prescottia stachyodes | (Sw.) Lindl. | Orchidaceae | 8 |
| Pristimera celastroides | (Kunth) A.C.Sm. | Celastraceae | 8 |
| Proserpinaca palustris | L. | Haloragaceae | 8 |
| Prosopanche americana | (R.Br.) Baill. | Aristolochiaceae | 8 |
| Prosthechea aemula | (Lindl.) W.E.Higgins | Orchidaceae | 8 |
| Prosthechea crassilabia | (Poepp. & Endl.) Carnevali & I.Ramírez | Orchidaceae | 8 |
| Prunus myrtifolia | (L.) Urb. | Rosaceae | 8 |
| Pseudalbizzia inundata | (Mart.) E.J.M.Koenen & Duno | Fabaceae | 8 |
| Pseudobombax grandiflorum | (Cav.) A.Robyns | Malvaceae | 8 |
| Pseudobombax longiflorum | (Mart.) A.Robyns | Malvaceae | 8 |
| Pseudognaphalium gaudichaudianum | (DC.) Anderb. | Asteraceae | 8 |
| Pseudogynoxys chenopodioides | (Kunth) Cabrera | Asteraceae | 8 |
| Psidium cattleyanum | Sabine | Myrtaceae | 8 |
| Psidium grandifolium | Mart. ex DC. | Myrtaceae | 8 |
| Psidium guineense | Sw. | Myrtaceae | 8 |
| Psidium salutare | (Kunth) O.Berg | Myrtaceae | 8 |
| Psiguria ternata | (M.Roem.) C.Jeffrey | Cucurbitaceae | 8 |
| Psilotum nudum | (L.) P.Beauv. | Psilotaceae | 8 |
| Psychotria carthagenensis | Jacq. | Rubiaceae | 8 |
| Psychotria laciniata | Vell. | Rubiaceae | 8 |
| Psychotria nuda | (Cham. & Schltdl.) Wawra | Rubiaceae | 8 |
| Psychotria suterella | Müll.Arg. | Rubiaceae | 8 |
| Pteridium esculentum | (G.Forst.) Cockayne | Dennstaedtiaceae | 8 |
| Pteris biaurita | L. | Pteridaceae | 8 |
| Pteris deflexa | Link | Pteridaceae | 8 |
| Pteris longifolia | L. | Pteridaceae | 8 |
| Pterocaulon balansae | Chodat | Asteraceae | 8 |
| Pterocaulon lorentzii | Malme | Asteraceae | 8 |
| Pterocaulon polystachyum | DC. | Asteraceae | 8 |
| Pterocaulon virgatum | (L.) DC. | Asteraceae | 8 |
| Pterogyne nitens | Tul. | Fabaceae | 8 |
| Pterolepis glomerata | (Rottb.) Miq. | Melastomataceae | 8 |
| Pyrostegia venusta | (Ker Gawl.) Miers | Bignoniaceae | 8 |
| Qualea grandiflora | Mart. | Vochysiaceae | 8 |
| Quillaja lancifolia | D.Don | Quillajaceae | 8 |
| Ranunculus apiifolius | Pers. | Ranunculaceae | 8 |
| Rhipsalis elliptica | G.Lindb. ex K.Schum. | Cactaceae | 8 |
| Rhipsalis floccosa | Salm-Dyck ex Pfeiff. | Cactaceae | 8 |
| Rhipsalis lindbergiana | K.Schum. | Cactaceae | 8 |
| Rhipsalis paradoxa | (Salm-Dyck ex Pfeiff.) Salm-Dyck | Cactaceae | 8 |
| Rhipsalis teres | (Vell.) Steud. | Cactaceae | 8 |
| Rhizophora mangle | L. | Rhizophoraceae | 8 |
| Rhynchosia edulis | Griseb. | Fabaceae | 8 |
| Rhynchosia minima | (L.) DC. | Fabaceae | 8 |
| Rhynchosia senna | Gillies ex Hook. & Arn. | Fabaceae | 8 |
| Rhynchosida physocalyx | (A.Gray) Fryxell | Malvaceae | 8 |
| Rhynchospora barrosiana | Guagl. | Cyperaceae | 8 |
| Rhynchospora corymbosa | (L.) Britton | Cyperaceae | 8 |
| Rhynchospora holoschoenoides | (Rich.) Herter | Cyperaceae | 8 |
| Rhynchospora nervosa | (Vahl) Boeckeler | Cyperaceae | 8 |
| Rhynchospora pura | (Nees) Griseb. | Cyperaceae | 8 |
| Richardia brasiliensis | Gomes | Rubiaceae | 8 |
| Richardia grandiflora | (Cham. & Schltdl.) Steud. | Rubiaceae | 8 |
| Richardia humistrata | (Cham. & Schltdl.) Steud. | Rubiaceae | 8 |
| Richardia stellaris | (Cham. & Schltdl.) Steud. | Rubiaceae | 8 |
| Rivina humilis | L. | Petiveriaceae | 8 |
| Rubus sellowii | Cham. & Schltdl. | Rosaceae | 8 |
| Rudgea coronata | (Vell.) Müll.Arg. | Rubiaceae | 8 |
| Ruellia angustiflora | (Nees) Lindau ex Rambo | Acanthaceae | 8 |
| Ruellia brevifolia | (Pohl) C.Ezcurra | Acanthaceae | 8 |
| Ruellia erythropus | (Nees) Lindau | Acanthaceae | 8 |
| Ruellia morongii | Britton | Acanthaceae | 8 |
| Ruellia simplex | C.Wright | Acanthaceae | 8 |
| Ruellia solitaria | Vell. | Acanthaceae | 8 |
| Rumohra adiantiformis | (G.Forst.) Ching | Dryopteridaceae | 8 |
| Ruppia maritima | L. | Ruppiaceae | 8 |
| Ruprechtia salicifolia | (Cham. & Schltdl.) C.A.Mey. | Polygonaceae | 8 |
| Sabdariffa furcellata | (Desr.) M.M.Hanes & R.L.Barrett | Malvaceae | 8 |
| Sabicea brasiliensis | Wernham | Rubiaceae | 8 |
| Saccharum angustifolium | (Nees) Trin. | Poaceae | 8 |
| Sacoila lanceolata | (Aubl.) Garay | Orchidaceae | 8 |
| Sagittaria lancifolia | L. | Alismataceae | 8 |
| Sagittaria montevidensis | Cham. & Schltdl. | Alismataceae | 8 |
| Salix humboldtiana | Willd. | Salicaceae | 8 |
| Salpichroa origanifolia | (Lam.) Baill. | Solanaceae | 8 |
| Salvia guaranitica | Dusén | Lamiaceae | 8 |
| Salvia pallida | Benth. | Lamiaceae | 8 |
| Salvia procurrens | Benth. | Lamiaceae | 8 |
| Salvia uliginosa | Benth. | Lamiaceae | 8 |
| Salvinia biloba | Raddi | Salviniaceae | 8 |
| Salvinia minima | Baker | Salviniaceae | 8 |
| Salvinia molesta | D.Mitch. | Salviniaceae | 8 |
| Sambucus australis | Cham. & Schltdl. | Viburnaceae | 8 |
| Samolus parviflorus | Raf. | Primulaceae | 8 |
| Sapindus saponaria | L. | Sapindaceae | 8 |
| Sapium glandulosum | (L.) Morong | Euphorbiaceae | 8 |
| Sapium haematospermum | Müll.Arg. | Euphorbiaceae | 8 |
| Sauvagesia erecta | L. | Ochnaceae | 8 |
| Scaevola plumieri | (L.) Vahl | Goodeniaceae | 8 |
| Schaefferia argentinensis | Speg. | Celastraceae | 8 |
| Schinus engleri | F.A.Barkley | Anacardiaceae | 8 |
| Schinus longifolia | Speg. | Anacardiaceae | 8 |
| Schinus molle | L. | Anacardiaceae | 8 |
| Schinus terebinthifolia | Raddi | Anacardiaceae | 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 |
| Schoenoplectus californicus | (C.A.Mey.) Soják | Cyperaceae | 8 |
| Schoenoplectus tabernaemontani | (C.C.Gmel.) Palla | Cyperaceae | 8 |
| Schoepfia brasiliensis | A.DC. | Schoepfiaceae | 8 |
| Scleria ciliata | Michx. | Cyperaceae | 8 |
| Scleria distans | Poir. | Cyperaceae | 8 |
| Scleria gaertneri | Raddi | Cyperaceae | 8 |
| Scleria georgiana | Core | Cyperaceae | 8 |
| Scoparia dulcis | L. | Plantaginaceae | 8 |
| Scoparia montevidensis | (Spreng.) R.E.Fr. | Plantaginaceae | 8 |
| Scutellaria racemosa | Pers. | Lamiaceae | 8 |
| Scutia buxifolia | Reissek | Rhamnaceae | 8 |
| Sebastiania ramosissima | (A.St.-Hil.) A.L.Melo & M.F.Sales | Euphorbiaceae | 8 |
| Sebastiania schottiana | (Müll.Arg.) Müll.Arg. | Euphorbiaceae | 8 |
| Seemannia sylvatica | (Kunth) Hanst. | Gesneriaceae | 8 |
| Selaginella convoluta | (Arn.) Spring | Selaginellaceae | 8 |
| Selaginella sellowii | Hieron. | Selaginellaceae | 8 |
| Senecio bonariensis | Hook. & Arn. | Asteraceae | 8 |
| Senecio brasiliensis | (Spreng.) Less. | Asteraceae | 8 |
| Senecio ceratophylloides | Griseb. | Asteraceae | 8 |
| Senecio conyzifolius | Baker | Asteraceae | 8 |
| Senecio crassiflorus | DC. | Asteraceae | 8 |
| Senecio heterotrichius | DC. | Asteraceae | 8 |
| Senecio icoglossus | DC. | Asteraceae | 8 |
| Senecio platensis | Arechav. | Asteraceae | 8 |
| Senecio selloi | DC. | Asteraceae | 8 |
| Senegalia bonariensis | (Gillies ex Hook. & Arn.) Seigler & Ebinger | Fabaceae | 8 |
| Senna corymbosa | (Lam.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna hirsuta | (L.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna macranthera | (DC. ex Collad.) 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 pendula | (Humb. & Bonpl. ex Willd.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna rugosa | (G.Don) H.S.Irwin & Barneby | Fabaceae | 8 |
| Senna scabriuscula | (Vogel) H.S.Irwin & Barneby | Fabaceae | 8 |
| Serjania glabrata | Kunth | Sapindaceae | 8 |
| Serjania meridionalis | Cambess. | Sapindaceae | 8 |
| Serpocaulon triseriale | (Sw.) A.R.Sm. | Polypodiaceae | 8 |
| Sesbania punicea | (Cav.) Benth. | Fabaceae | 8 |
| Sesbania virgata | (Cav.) Poir. | Fabaceae | 8 |
| Sesuvium portulacastrum | (L.) L. | Aizoaceae | 8 |
| Setaria magna | Griseb. | Poaceae | 8 |
| Setaria parviflora | (Poir.) Kerguélen | Poaceae | 8 |
| Sida acuta | Burm.f. | Malvaceae | 8 |
| Sida cordifolia | L. | Malvaceae | 8 |
| Sida linifolia | Cav. | Malvaceae | 8 |
| Sida planicaulis | Cav. | Malvaceae | 8 |
| Sida spinosa | L. | Malvaceae | 8 |
| Sidastrum micranthum | (A.St.-Hil.) Fryxell | Malvaceae | 8 |
| Sinningia allagophylla | (Mart.) Wiehler | Gesneriaceae | 8 |
| Sinningia sellovii | (Mart.) Wiehler | Gesneriaceae | 8 |
| Siphocampylus convolvulaceus | (Cham.) G.Don | Campanulaceae | 8 |
| Siphocampylus verticillatus | (Cham.) G.Don | Campanulaceae | 8 |
| Sisyrinchium micranthum | Cav. | Iridaceae | 8 |
| Sisyrinchium pachyrhizum | Baker | Iridaceae | 8 |
| Sisyrinchium platense | I.M.Johnst. | Iridaceae | 8 |
| Sisyrinchium scabrum | Schltdl. & Cham. | Iridaceae | 8 |
| Smallanthus connatus | (Spreng.) H.Rob. | Asteraceae | 8 |
| Smallanthus siegesbeckius | (DC.) H.Rob. | Asteraceae | 8 |
| Smilax campestris | Griseb. | Smilacaceae | 8 |
| Smilax domingensis | Willd. | Smilacaceae | 8 |
| Solanum aculeatissimum | Jacq. | Solanaceae | 8 |
| Solanum americanum | Mill. | Solanaceae | 8 |
| Solanum amygdalifolium | Steud. | Solanaceae | 8 |
| Solanum atropurpureum | Schrank | Solanaceae | 8 |
| Solanum betaceum | Cav. | Solanaceae | 8 |
| Solanum bonariense | L. | Solanaceae | 8 |
| Solanum capsicoides | All. | Solanaceae | 8 |
| Solanum chacoense | Bitter | Solanaceae | 8 |
| Solanum chenopodioides | Lam. | Solanaceae | 8 |
| Solanum commersonii | Poir. | Solanaceae | 8 |
| Solanum didymum | Dunal | Solanaceae | 8 |
| Solanum glaucophyllum | Desf. | Solanaceae | 8 |
| Solanum guaraniticum | A.St.-Hil. | Solanaceae | 8 |
| Solanum laxum | Spreng. | Solanaceae | 8 |
| Solanum lycocarpum | A.St.-Hil. | Solanaceae | 8 |
| Solanum mauritianum | Scop. | Solanaceae | 8 |
| Solanum palinacanthum | Dunal | Solanaceae | 8 |
| Solanum paniculatum | L. | Solanaceae | 8 |
| Solanum pilcomayense | Morong | Solanaceae | 8 |
| Solanum pseudocapsicum | L. | Solanaceae | 8 |
| Solanum sanctae-catharinae | Dunal | Solanaceae | 8 |
| Solanum sarrachoides | Sendtn. | Solanaceae | 8 |
| Solanum sisymbriifolium | Lam. | Solanaceae | 8 |
| Solanum variabile | Mart. | Solanaceae | 8 |
| Solanum viarum | Dunal | Solanaceae | 8 |
| Solidago chilensis | Meyen | Asteraceae | 8 |
| Soliva anthemifolia | (Juss.) Sweet | Asteraceae | 8 |
| Soliva sessilis | Ruiz & Pav. | Asteraceae | 8 |
| Sommerfeltia spinulosa | Less. | Asteraceae | 8 |
| Sophora tomentosa | L. | Fabaceae | 8 |
| Sorghastrum setosum | (Griseb.) Hitchc. | Poaceae | 8 |
| Sparattosperma leucanthum | (Vell.) K.Schum. | Bignoniaceae | 8 |
| Specklinia picta | (Lindl.) Pridgeon & M.W.Chase | Orchidaceae | 8 |
| Spermacoce dasycephala | (Cham. & Schltdl.) Delprete | Rubiaceae | 8 |
| Spermacoce latifolia | Aubl. | Rubiaceae | 8 |
| Spermacoce ocymifolia | Willd. | Rubiaceae | 8 |
| Spermacoce remota | Lam. | Rubiaceae | 8 |
| Spermacoce verticillata | L. | Rubiaceae | 8 |
| Sphaeralcea bonariensis | (Cav.) Griseb. | Malvaceae | 8 |
| Sphagneticola trilobata | (L.) Pruski | Asteraceae | 8 |
| Spigelia humboldtiana | Cham. & Schltdl. | Loganiaceae | 8 |
| Spirodela punctata | (G.Mey.) C.H.Thomps. | Araceae | 8 |
| Sporobolus alterniflorus | (Loisel.) P.M.Peterson & Saarela | Poaceae | 8 |
| Sporobolus indicus | (L.) R.Br. | Poaceae | 8 |
| Sporobolus montevidensis | (Arechav.) P.M.Peterson & Saarela | Poaceae | 8 |
| Stachytarpheta cayennensis | (Rich.) Vahl | Verbenaceae | 8 |
| Stapfochloa canterae | (Arechav.) P.M.Peterson | Poaceae | 8 |
| Stapfochloa ciliata | (Sw.) P.M.Peterson | Poaceae | 8 |
| Steinchisma hians | (Elliott) Nash | Poaceae | 8 |
| Stelis sclerophylla | (Lindl.) Karremans | Orchidaceae | 8 |
| Stemodia verticillata | (Mill.) Hassl. | Plantaginaceae | 8 |
| Stenandrium dulce | (Cav.) Nees | Acanthaceae | 8 |
| Stenotaphrum secundatum | (Walter) Kuntze | Poaceae | 8 |
| Sticherus bifidus | (Willd.) Ching | Gleicheniaceae | 8 |
| Stifftia chrysantha | J.C.Mikan | Asteraceae | 8 |
| Stigmaphyllon bonariense | (Hook. & Arn.) C.E.Anderson | Malpighiaceae | 8 |
| Stromanthe thalia | (Vell.) J.M.A.Braga | Marantaceae | 8 |
| Stromanthe tonckat | (Aubl.) Eichler | Marantaceae | 8 |
| Stylosanthes guianensis | (Aubl.) Sw. | Fabaceae | 8 |
| Stylosanthes scabra | Vogel | Fabaceae | 8 |
| Stylosanthes viscosa | (L.) Sw. | Fabaceae | 8 |
| Syagrus romanzoffiana | (Cham.) Glassman | Arecaceae | 8 |
| Symphyotrichum regnellii | (Baker) G.L.Nesom | Asteraceae | 8 |
| Symplocos uniflora | (Pohl) Benth. | Symplocaceae | 8 |
| Tabebuia aurea | (Silva Manso) Benth. & Hook.f. ex S.Moore | Bignoniaceae | 8 |
| Tabebuia nodosa | (Griseb.) Griseb. | Bignoniaceae | 8 |
| Tabernaemontana catharinensis | A.DC. | Apocynaceae | 8 |
| Tagetes minuta | L. | Asteraceae | 8 |
| Talinum fruticosum | (L.) Juss. | Talinaceae | 8 |
| Talinum paniculatum | (Jacq.) Gaertn. | Talinaceae | 8 |
| Tanaecium dichotomum | (Jacq.) Kaehler & L.G.Lohmann | Bignoniaceae | 8 |
| Tarenaya houtteana | (Schltdl.) Soares Neto & Roalson | Cleomaceae | 8 |
| Tectaria incisa | Cav. | Tectariaceae | 8 |
| Telmatoblechnum serrulatum | (Rich.) Perrie, D.J.Ohlsen & Brownsey | Blechnaceae | 8 |
| Tephrosia cinerea | (L.) Pers. | Fabaceae | 8 |
| Terminalia australis | Cambess. | Combretaceae | 8 |
| Tessaria absinthioides | (Hook. & Arn.) DC. | Asteraceae | 8 |
| Teucrium cubense | Jacq. | Lamiaceae | 8 |
| Teucrium vesicarium | Mill. | Lamiaceae | 8 |
| Thalia geniculata | L. | Marantaceae | 8 |
| Thalia multiflora | Horkel ex Körn. | Marantaceae | 8 |
| Tilesia baccata | (L.) Pruski | Asteraceae | 8 |
| Tillandsia aeranthos | (Loisel.) Desf. | Bromeliaceae | 8 |
| Tillandsia didisticha | (É.Morren) Baker | Bromeliaceae | 8 |
| Tillandsia gardneri | Lindl. | Bromeliaceae | 8 |
| Tillandsia geminiflora | Brongn. | Bromeliaceae | 8 |
| Tillandsia loliacea | Mart. ex Schult. & Schult.f. | Bromeliaceae | 8 |
| Tillandsia lorentziana | Griseb. | Bromeliaceae | 8 |
| Tillandsia recurvata | (L.) L. | Bromeliaceae | 8 |
| Tillandsia recurvifolia | Hook. | Bromeliaceae | 8 |
| Tillandsia streptocarpa | Baker | Bromeliaceae | 8 |
| Tillandsia stricta | Sol. ex Ker Gawl. | Bromeliaceae | 8 |
| Tillandsia tenuifolia | L. | Bromeliaceae | 8 |
| Tillandsia tricholepis | Baker | Bromeliaceae | 8 |
| Tillandsia usneoides | (L.) L. | Bromeliaceae | 8 |
| Tinantia standleyi | Steyerm. | Commelinaceae | 8 |
| Tipuana tipu | (Benth.) Kuntze | Fabaceae | 8 |
| Tocoyena formosa | (Cham. & Schltdl.) K.Schum. | Rubiaceae | 8 |
| Trachypogon spicatus | (L.f.) Kuntze | Poaceae | 8 |
| Tradescantia cerinthoides | Kunth | Commelinaceae | 8 |
| Tradescantia fluminensis | Vell. | Commelinaceae | 8 |
| Tradescantia zanonia | (L.) Sw. | Commelinaceae | 8 |
| Trema micranthum | (L.) Blume | Cannabaceae | 8 |
| Trichilia hirta | L. | Meliaceae | 8 |
| Trichocentrum pumilum | (Lindl.) M.W.Chase & N.H.Williams | Orchidaceae | 8 |
| Trichogalium latoramosum | (Clos) Kadereit & Schneew. | Rubiaceae | 8 |
| Trichomanes elegans | Rich. | Hymenophyllaceae | 8 |
| Trichostigma octandrum | (L.) H.Walter | Petiveriaceae | 8 |
| Tridax procumbens | L. | Asteraceae | 8 |
| Triglochin striata | Ruiz & Pav. | Juncaginaceae | 8 |
| Trimezia candida | (Hassl.) Ravenna | Iridaceae | 8 |
| Trimezia martinicensis | (Jacq.) Herb. | Iridaceae | 8 |
| Triodanis perfoliata | (L.) Nieuwl. | Campanulaceae | 8 |
| Triplaris americana | L. | Polygonaceae | 8 |
| Tripodanthus acutifolius | (Ruiz & Pav.) Tiegh. | Loranthaceae | 8 |
| Tripogandra diuretica | (Mart.) Handlos | Commelinaceae | 8 |
| Tripogonella spicata | (Nees) P.M.Peterson & Romasch. | Poaceae | 8 |
| Triumfetta semitriloba | Jacq. | Malvaceae | 8 |
| Tropaeolum pentaphyllum | Lam. | Tropaeolaceae | 8 |
| Turnera sidoides | L. | Passifloraceae | 8 |
| Turnera subulata | Sm. | Passifloraceae | 8 |
| Urena lobata | L. | Malvaceae | 8 |
| Urera baccifera | (L.) Gaudich. ex Wedd. | Urticaceae | 8 |
| Urera caracasana | (Jacq.) Gaudich. ex Griseb. | Urticaceae | 8 |
| Urera nitida | (Vell.) P.Brack | Urticaceae | 8 |
| Urochloa platyphylla | (Munro ex C.Wright) R.D.Webster | Poaceae | 8 |
| Urolepis hecatantha | (DC.) R.M.King & H.Rob. | Asteraceae | 8 |
| Urvillea ulmacea | Kunth | Sapindaceae | 8 |
| Urvillea uniloba | Radlk. | Sapindaceae | 8 |
| Utricularia foliosa | L. | Lentibulariaceae | 8 |
| Utricularia gibba | L. | Lentibulariaceae | 8 |
| Utricularia hydrocarpa | Vahl | Lentibulariaceae | 8 |
| Utricularia laxa | A.St.-Hil. & Girard | Lentibulariaceae | 8 |
| Utricularia platensis | Speg. | Lentibulariaceae | 8 |
| Utricularia subulata | L. | Lentibulariaceae | 8 |
| Utricularia tricolor | A.St.-Hil. | Lentibulariaceae | 8 |
| Utricularia triloba | Benj. | Lentibulariaceae | 8 |
| Vachellia caven | (Molina) Seigler & Ebinger | Fabaceae | 8 |
| Vachellia farnesiana | (L.) Wight & Arn. | Fabaceae | 8 |
| Valeriana scandens | L. | Caprifoliaceae | 8 |
| Varronia curassavica | Jacq. | Cordiaceae | 8 |
| Varronia dichotoma | Ruiz & Pav. | Cordiaceae | 8 |
| Vasconcellea quercifolia | A.St.-Hil. | Caricaceae | 8 |
| Vassobia breviflora | (Sendtn.) Hunz. | Solanaceae | 8 |
| Verbena aristigera | S.Moore | Verbenaceae | 8 |
| Verbena bonariensis | L. | Verbenaceae | 8 |
| Verbena brasiliensis | Vell. | Verbenaceae | 8 |
| Verbena incompta | P.W.Michael | Verbenaceae | 8 |
| Verbena litoralis | Kunth | Verbenaceae | 8 |
| Verbena montevidensis | Spreng. | Verbenaceae | 8 |
| Verbena peruviana | (L.) Britton | Verbenaceae | 8 |
| Verbena platensis | Spreng. | Verbenaceae | 8 |
| Verbena rigida | Spreng. | Verbenaceae | 8 |
| Verbena selloi | Spreng. | Verbenaceae | 8 |
| Verbena tenera | Spreng. | Verbenaceae | 8 |
| Verbena tweedieana | Niven ex Hook. | Verbenaceae | 8 |
| Vernonanthura montevidensis | (Spreng.) H.Rob. | Asteraceae | 8 |
| Vernonanthura nudiflora | (Less.) H.Rob. | Asteraceae | 8 |
| Vernonia incana | Less. | Asteraceae | 8 |
| Veronica peregrina | L. | Plantaginaceae | 8 |
| Vigna luteola | (Jacq.) Benth. | Fabaceae | 8 |
| Vigna vexillata | (L.) A.Rich. | Fabaceae | 8 |
| Vitex megapotamica | (Spreng.) Moldenke | Lamiaceae | 8 |
| Vittaria lineata | (L.) Sm. | Pteridaceae | 8 |
| Viviania albiflora | (Cambess.) Reiche | Francoaceae | 8 |
| Vochysia thyrsoidea | Pohl | Vochysiaceae | 8 |
| Vochysia tucanorum | Mart. | Vochysiaceae | 8 |
| Voyria aphylla | (Jacq.) Pers. | Gentianaceae | 8 |
| Voyria tenella | Guilding ex Hook. | Gentianaceae | 8 |
| Vriesea carinata | Wawra | Bromeliaceae | 8 |
| Vriesea ensiformis | (Vell.) Beer | Bromeliaceae | 8 |
| Vriesea flammea | L.B.Sm. | Bromeliaceae | 8 |
| Vriesea friburgensis | Mez | Bromeliaceae | 8 |
| Vriesea gigantea | Gaudich. | Bromeliaceae | 8 |
| Vriesea incurvata | Gaudich. | Bromeliaceae | 8 |
| Vriesea inflata | (Wawra) Wawra | Bromeliaceae | 8 |
| Vriesea neoglutinosa | Mez | Bromeliaceae | 8 |
| Vriesea paratiensis | E.Pereira | Bromeliaceae | 8 |
| Vriesea philippocoburgi | Wawra | Bromeliaceae | 8 |
| Vriesea rodigasiana | É.Morren | Bromeliaceae | 8 |
| Vriesea vagans | (L.B.Sm.) L.B.Sm. | Bromeliaceae | 8 |
| Wahlenbergia linarioides | (Lam.) A.DC. | Campanulaceae | 8 |
| Waltheria indica | L. | Malvaceae | 8 |
| Wolffia brasiliensis | Wedd. | Araceae | 8 |
| Wolffia columbiana | H.Karst. | Araceae | 8 |
| Wullschlaegelia aphylla | (Sw.) Rchb.f. | Orchidaceae | 8 |
| Xanthium orientale | L. | Asteraceae | 8 |
| Xanthium spinosum | L. | Asteraceae | 8 |
| Ximenia americana | L. | Olacaceae | 8 |
| Xylopia aromatica | (Lam.) Mart. | Annonaceae | 8 |
| Xylopia brasiliensis | Spreng. | Annonaceae | 8 |
| Xylosma tweediana | (Clos) Eichlam | Salicaceae | 8 |
| Xylosma venosa | N.E.Br. | Salicaceae | 8 |
| Xyris capensis | Thunb. | Xyridaceae | 8 |
| Xyris jupicai | Rich. | Xyridaceae | 8 |
| Zanthoxylum fagara | Sarg. | Rutaceae | 8 |
| Zanthoxylum petiolare | A.St.-Hil. & Tul. | Rutaceae | 8 |
| Zanthoxylum rhoifolium | Lam. | Rutaceae | 8 |
| Zephyranthes americana | (Hoffmanns.) Ravenna | Amaryllidaceae | 8 |
| Zephyranthes candida | (Lindl.) Herb. | Amaryllidaceae | 8 |
| Zephyranthes mesochloa | Herb. | Amaryllidaceae | 8 |
| Zephyranthes minima | Herb. | Amaryllidaceae | 8 |
| Zeyheria montana | Mart. | Bignoniaceae | 8 |
| Zornia latifolia | Sm. | Fabaceae | 8 |
| Zornia reticulata | Sm. | Fabaceae | 8 |
| Abobra tenuifolia | Naudin | Cucurbitaceae | 7 |
| Adesmia muricata | (Jacq.) DC. | Fabaceae | 7 |
| Asplenium harpeodes | Kunze | Aspleniaceae | 7 |
| Azara uruguayensis | (Speg.) Sleumer | Salicaceae | 7 |
| Baccharis oxyodonta | DC. | Asteraceae | 7 |
| Blumenbachia latifolia | Cambess. | Loasaceae | 7 |
| Brosimum gaudichaudii | Trécul | Moraceae | 7 |
| Burmannia flava | Mart. | Burmanniaceae | 7 |
| Calliandra parviflora | Benth. | Fabaceae | 7 |
| Campomanesia aurea | O.Berg | Myrtaceae | 7 |
| Canistropsis billbergioides | (Schult. & Schult.f.) Leme | Bromeliaceae | 7 |
| Carex bonariensis | Desf. ex Poir. | Cyperaceae | 7 |
| Casearia aculeata | Jacq. | Salicaceae | 7 |
| Cayaponia martiana | (Cogn.) Cogn. | Cucurbitaceae | 7 |
| Centrosema sagittatum | (Humb. & Bonpl. ex Willd.) Brandegee | Fabaceae | 7 |
| Chloris radiata | (L.) Sw. | Poaceae | 7 |
| Christella hispidula | (Decne.) Holttum | Thelypteridaceae | 7 |
| Cissampelos tropaeolifolia | DC. | Menispermaceae | 7 |
| Comparettia coccinea | Lindl. | Orchidaceae | 7 |
| Cranichis muscosa | Sw. | Orchidaceae | 7 |
| Cuphea lindmaniana | Koehne ex Bacig. | Lythraceae | 7 |
| Cuscuta xanthochortos | Mart. ex Engelm. | Convolvulaceae | 7 |
| Cyperus hortensis | (Salzm. ex Steud.) Dorr | Cyperaceae | 7 |
| Desmodium axillare | (Sw.) DC. | Fabaceae | 7 |
| Desmodium cuneatum | Hook. & Arn. | Fabaceae | 7 |
| Desmodium subsericeum | Malme | Fabaceae | 7 |
| Eleocharis bonariensis | Nees | Cyperaceae | 7 |
| Eleutheranthera ruderalis | (Sw.) Sch.Bip. | Asteraceae | 7 |
| Epidendrum cristatum | Ruiz & Pav. | Orchidaceae | 7 |
| Eryngium divaricatum | Hook. & Arn. | Apiaceae | 7 |
| Faramea multiflora | A.Rich. ex DC. | Rubiaceae | 7 |
| Fischeria stellata | (Vell.) E.Fourn. | Apocynaceae | 7 |
| Guarea macrophylla | Vahl | Meliaceae | 7 |
| Gymnosiphon divaricatus | (Benth.) Benth. & Hook.f. | Burmanniaceae | 7 |
| Gyptis tanacetifolia | (Gillies ex Hook. & Arn.) D.J.N.Hind & Flann | Asteraceae | 7 |
| Handroanthus serratifolius | (Vahl) S.O.Grose | Bignoniaceae | 7 |
| Heimia apetala | (Spreng.) S.A.Graham & Gandhi | Lythraceae | 7 |
| Helicteres brevispira | A.Juss. | Malvaceae | 7 |
| Hygrophila costata | Nees | Acanthaceae | 7 |
| Ipomoea setosa | Ker Gawl. | Convolvulaceae | 7 |
| Jacaranda micrantha | Cham. | Bignoniaceae | 7 |
| Jungia sellowii | Less. | Asteraceae | 7 |
| Malaxis excavata | (Lindl.) Kuntze | Orchidaceae | 7 |
| Metrodorea nigra | A.St.-Hil. | Rutaceae | 7 |
| Mikania involucrata | Hook. & Arn. | Asteraceae | 7 |
| Mimosa bonplandii | Benth. | Fabaceae | 7 |
| Mimosa ramulosa | Benth. | Fabaceae | 7 |
| Mimosa uraguensis | Hook. & Arn. | Fabaceae | 7 |
| Monteiroa glomerata | (Hook. & Arn.) Krapov. | Malvaceae | 7 |
| Nectandra oppositifolia | Nees & Mart. | Lauraceae | 7 |
| Noticastrum hatschbachii | Zardini | Asteraceae | 7 |
| Oldenlandia salzmannii | (DC.) Benth. & Hook.f. ex B.D.Jacks. | Rubiaceae | 7 |
| Olfersia cervina | Kunze | Dryopteridaceae | 7 |
| Olyra latifolia | L. | Poaceae | 7 |
| Ophioglossum nudicaule | L.f. | Ophioglossaceae | 7 |
| Orthoclada laxa | (Rich.) P.Beauv. | Poaceae | 7 |
| Passiflora tenuifila | Killip | Passifloraceae | 7 |
| Passiflora tricuspis | Mast. | Passifloraceae | 7 |
| Paullinia elegans | Cambess. | Sapindaceae | 7 |
| Persicaria meisneriana | (Cham. & Schltdl.) M.Gómez | Polygonaceae | 7 |
| Podocarpus sellowii | Klotzsch ex Endl. | Podocarpaceae | 7 |
| Porophyllum lanceolatum | DC. | Asteraceae | 7 |
| Prestonia quinquangularis | (Jacq.) Spreng. | Apocynaceae | 7 |
| Pseudognaphalium cheiranthifolium | (Lam.) Hilliard & B.L.Burtt | Asteraceae | 7 |
| Pterocaulon angustifolium | DC. | Asteraceae | 7 |
| Rodriguezia bracteata | (Vell.) Hoehne | Orchidaceae | 7 |
| Rubus urticifolius | Poir. | Rosaceae | 7 |
| Ruellia bahiensis | (Moric.) Morong | Acanthaceae | 7 |
| Securidaca diversifolia | (L.) S.F.Blake | Polygalaceae | 7 |
| Sicyos polyacanthos | Cogn. | Cucurbitaceae | 7 |
| Sinningia elatior | (Kunth) Chautems | Gesneriaceae | 7 |
| Sinningia polyantha | (DC.) Wiehler | Gesneriaceae | 7 |
| Siparuna guianensis | Aubl. | Siparunaceae | 7 |
| Sisyrinchium palmifolium | L. | Iridaceae | 7 |
| Sisyrinchium vaginatum | Spreng. | Iridaceae | 7 |
| Solanum castaneum | Carvalho | Solanaceae | 7 |
| Solanum symmetricum | Rusby | Solanaceae | 7 |
| Staelia virgata | (Willd.) K.Schum. | Rubiaceae | 7 |
| Stryphnodendron adstringens | (Mart.) Coville | Fabaceae | 7 |
| Symphyopappus casarettoi | B.L.Rob. | Asteraceae | 7 |
| Tillandsia xiphioides | Ker Gawl. | Bromeliaceae | 7 |
| Tradescantia crassula | Link & Otto | Commelinaceae | 7 |
| Trichilia elegans | A.Juss. | Meliaceae | 7 |
| Trichocline catharinensis | Cabrera | Asteraceae | 7 |
| Trifolium polymorphum | Poir. | Fabaceae | 7 |
| Trimezia juncifolia | (Klatt) Benth. & Hook.f. | Iridaceae | 7 |
| Verbena intermedia | Gillies & Hook. | Verbenaceae | 7 |
| Adiantum humile | Kunze | Pteridaceae | 6 |
| Adiantum tetraphyllum | Humb. & Bonpl. ex Willd. | Pteridaceae | 6 |
| Asclepias candida | Vell. | Apocynaceae | 6 |
| Baccharis gnaphalioides | Spreng. | Asteraceae | 6 |
| Banisteriopsis campestris | (A.Juss.) Little | Malpighiaceae | 6 |
| Billbergia zebrina | (Herb.) Lindl. | Bromeliaceae | 6 |
| Cabralea canjerana | (Vell.) Mart. | Meliaceae | 6 |
| Calea cymosa | Less. | Asteraceae | 6 |
| Calolisianthus pedunculatus | (Cham. & Schltdl.) Gilg | Gentianaceae | 6 |
| Campomanesia xanthocarpa | (Mart.) O.Berg | Myrtaceae | 6 |
| Canavalia brasiliensis | Mart. ex Benth. | Fabaceae | 6 |
| Ceiba pubiflora | (A.St.-Hil.) K.Schum. | Malvaceae | 6 |
| Celtis spinosa | Spreng. | Cannabaceae | 6 |
| Chaptalia sinuata | Vent. ex Steud. | Asteraceae | 6 |
| Chevreulia acuminata | Less. | Asteraceae | 6 |
| Chloroluma gonocarpa | (Mart. & Eichler ex Miq.) Baill. ex Aubrév. | Sapotaceae | 6 |
| Commelina platyphylla | Klotzsch | Commelinaceae | 6 |
| Convolvulus laciniatus | Desr. | Convolvulaceae | 6 |
| Cordia superba | Cham. | Cordiaceae | 6 |
| Coutarea hexandra | (Jacq.) K.Schum. | Rubiaceae | 6 |
| Croton argenteus | L. | Euphorbiaceae | 6 |
| Culcita coniifolia | (Hook.) Maxon | Culcitaceae | 6 |
| Cuphea calophylla | Cham. & Schltdl. | Lythraceae | 6 |
| Cuphea melvilla | Lindl. | Lythraceae | 6 |
| Dianthera laevilinguis | (Nees) Lindau | Acanthaceae | 6 |
| Diodia saponariifolia | (Cham. & Schltdl.) K.Schum. | Rubiaceae | 6 |
| Distimake tomentosus | (Choisy) Petrongari & Sim.-Bianch. | Convolvulaceae | 6 |
| Doryopteris triphylla | (Lam.) Christ | Pteridaceae | 6 |
| Dyckia encholirioides | (Gaudich.) Mez | Bromeliaceae | 6 |
| Gelasine elongata | (Graham) Ravenna | Iridaceae | 6 |
| Hippeastrum calyptratum | (Ker Gawl.) Herb. | Amaryllidaceae | 6 |
| Ilex theezans | Mart. | Aquifoliaceae | 6 |
| Jarava plumosa | (Spreng.) S.W.L.Jacobs & J.Everett | Poaceae | 6 |
| Lilaeopsis minor | (A.W.Hill) Pérez-Mor. | Apiaceae | 6 |
| Lobelia xalapensis | Kunth | Campanulaceae | 6 |
| Lomariocycas schomburgkii | (Klotzsch) Gasper & A.R.Sm. | Blechnaceae | 6 |
| Lycianthes repens | (Spreng.) Bitter | Solanaceae | 6 |
| Mimosa dutrae | Malme | Fabaceae | 6 |
| Mitracarpus megapotamicus | (Spreng.) Kuntze | Rubiaceae | 6 |
| Nephrolepis pectinata | (Willd.) Schott | Nephrolepidaceae | 6 |
| Nidularium procerum | Lindm. | Bromeliaceae | 6 |
| Nissolia brasiliensis | (Vogel) T.M.Moura & Fort.-Perez | Fabaceae | 6 |
| Noisettia orchidiflora | (Rudge) Ging. | Violaceae | 6 |
| Norantea guianensis | Aubl. | Marcgraviaceae | 6 |
| Oenothera parodiana | Munz | Onagraceae | 6 |
| Palicourea coriacea | (Cham.) K.Schum. | Rubiaceae | 6 |
| Parablechnum cordatum | (Desv.) Gasper & Salino | Blechnaceae | 6 |
| Parodia linkii | (Lehm.) R.Kiesling | Cactaceae | 6 |
| Paspalum nutans | Lam. | Poaceae | 6 |
| Passiflora chrysophylla | Chodat | Passifloraceae | 6 |
| Peperomia hispidula | (Sw.) A.Dietr. | Piperaceae | 6 |
| Peperomia magnoliifolia | (Jacq.) A.Dietr. | Piperaceae | 6 |
| Peperomia rhombea | Ruiz & Pav. | Piperaceae | 6 |
| Phalaris angusta | Nees ex Trin. | Poaceae | 6 |
| Picrosia cabreriana | A.G.Schulz | Asteraceae | 6 |
| Polystichum montevidense | (Spreng.) Rosenst. | Dryopteridaceae | 6 |
| Portulaca mucronata | Link | Portulacaceae | 6 |
| Pourouma guianensis | Aubl. | Urticaceae | 6 |
| Prescottia oligantha | (Sw.) Lindl. | Orchidaceae | 6 |
| Prockia crucis | P.Browne ex L. | Salicaceae | 6 |
| Prosthechea pygmaea | (Hook.) W.E.Higgins | Orchidaceae | 6 |
| Pterocaulon cordobense | Kuntze | Asteraceae | 6 |
| Racinaea spiculosa | (Griseb.) M.A.Spencer & L.B.Sm. | Bromeliaceae | 6 |
| Rhamnidium elaeocarpum | Reissek | Rhamnaceae | 6 |
| Rhipsalis pachyptera | Pfeiff. | Cactaceae | 6 |
| Rubus erythroclados | Mart. ex Hook.f. | Rosaceae | 6 |
| Rubus neobrasiliensis | Espinel-Ortiz, Böhnert, Romol. & Weigend | Rosaceae | 6 |
| Salpichlaena volubilis | (Kaulf.) J.Sm. | Blechnaceae | 6 |
| Senegalia tucumanensis | (Griseb.) Seigler & Ebinger | Fabaceae | 6 |
| Sigmoidotropis speciosa | (Kunth) A.Delgado | Fabaceae | 6 |
| Solanum affine | Sendtn. | Solanaceae | 6 |
| Solanum corymbiflorum | (Sendtn.) Bohs | Solanaceae | 6 |
| Sorocea bonplandii | (Baill.) W.C.Burger, Lanj. & Wess.Boer | Moraceae | 6 |
| Spathicarpa hastifolia | Hook. | Araceae | 6 |
| Tarenaya rosea | (Vahl ex DC.) Soares Neto & Roalson | Cleomaceae | 6 |
| Tocoyena bullata | (Vell.) Mart. | Rubiaceae | 6 |
| Tradescantia mundula | Kunth | Commelinaceae | 6 |
| Tragia volubilis | L. | Euphorbiaceae | 6 |
| Trimezia coerulea | (G.Lodd.) Ravenna | Iridaceae | 6 |
| Tripogandra glandulosa | (Seub.) Rohweder | Commelinaceae | 6 |
| Trixis lessingii | DC. | Asteraceae | 6 |
| Vanilla palmarum | (Salzm. ex Lindl.) Lindl. | Orchidaceae | 6 |
| Vernonanthura chamaedrys | (Less.) H.Rob. | Asteraceae | 6 |
| Vittaria graminifolia | Kaulf. | Pteridaceae | 6 |
| Wilbrandia verticillata | (Vell.) Cogn. | Cucurbitaceae | 6 |
| Zanthoxylum kleinii | (R.S.Cowan) P.G.Waterman | Rutaceae | 6 |
| Zygostates pellucida | Rchb.f. | Orchidaceae | 6 |
| Achatocarpus praecox | Griseb. | Achatocarpaceae | 5 |
| Aeschynomene denticulata | Rudd | Fabaceae | 5 |
| Aeschynomene rudis | Benth. | Fabaceae | 5 |
| Aiouea amoena | (Nees & Mart.) R.Rohde | Lauraceae | 5 |
| Andira fraxinifolia | Benth. | Fabaceae | 5 |
| Annona montana | Macfad. | Annonaceae | 5 |
| Annona sylvatica | A.St.-Hil. | Annonaceae | 5 |
| Arachis villosa | Benth. | Fabaceae | 5 |
| Aristolochia macroura | Ortega | Aristolochiaceae | 5 |
| Asemeia violacea | (Aubl.) J.F.B.Pastore & J.R.Abbott | Polygalaceae | 5 |
| Asplenium balansae | (Baker) Sylvestre | Aspleniaceae | 5 |
| Asplenium serratum | L. | Aspleniaceae | 5 |
| Baccharis microdonta | DC. | Asteraceae | 5 |
| Bacopa salzmannii | (Benth.) Edwall | Plantaginaceae | 5 |
| Begonia angularis | Raddi | Begoniaceae | 5 |
| Bidens riparia | Kunth | Asteraceae | 5 |
| Billbergia alfonsi-joannis | Reitz | Bromeliaceae | 5 |
| Blechnum polypodioides | Raddi | Blechnaceae | 5 |
| Bulbostylis tenuifolia | (Rudge) J.F.Macbr. | Cyperaceae | 5 |
| Calea pinnatifida | Banks ex Steud. | Asteraceae | 5 |
| Calibrachoa heterophylla | (Sendtn.) Wijsman | Solanaceae | 5 |
| Callaeum psilophyllum | (A.Juss.) D.M.Johnson | Malpighiaceae | 5 |
| Caperonia cordata | A.St.-Hil. | Euphorbiaceae | 5 |
| Carex polysticha | Boeckeler | Cyperaceae | 5 |
| Chamaecrista repens | (Vogel) H.S.Irwin & Barneby | Fabaceae | 5 |
| Chloropetalum denticulatum | (Vahl) Morillo | Apocynaceae | 5 |
| Cissampelos ovalifolia | DC. | Menispermaceae | 5 |
| Citronella gongonha | (Mart.) R.A.Howard | Cardiopteridaceae | 5 |
| Cleome gigantea | L. | Cleomaceae | 5 |
| Codonanthe devosiana | Lem. | Gesneriaceae | 5 |
| Condalia buxifolia | Reissek | Rhamnaceae | 5 |
| Cordia americana | (L.) Gottschling & J.S.Mill. | Cordiaceae | 5 |
| Cordia trichotoma | (Vell.) Steud. | Cordiaceae | 5 |
| Crotalaria maypurensis | Kunth | Fabaceae | 5 |
| Croton trinitatis | Millsp. | Euphorbiaceae | 5 |
| Cuphea lysimachioides | Cham. & Schltdl. | Lythraceae | 5 |
| Cuphea tuberosa | Cham. & Schltdl. | Lythraceae | 5 |
| Cyclopogon apricus | (Lindl.) Schltr. | Orchidaceae | 5 |
| Cyclopogon congestus | (Vell.) Hoehne | Orchidaceae | 5 |
| Cyperus reflexus | Vahl | Cyperaceae | 5 |
| Desmodium affine | Schltdl. | Fabaceae | 5 |
| Dichorisandra paranaensis | D.Maia, Cervi & Tardivo | Commelinaceae | 5 |
| Dorstenia cayapia | Vell. | Moraceae | 5 |
| Echinopepon racemosus | (Steud.) C.Jeffrey | Cucurbitaceae | 5 |
| Eleocharis flavescens | (Poir.) Urb. | Cyperaceae | 5 |
| Epidendrum pseudodifforme | Hoehne & Schltr. | Orchidaceae | 5 |
| Eriope crassipes | Benth. | Lamiaceae | 5 |
| Escallonia megapotamica | Spreng. | Escalloniaceae | 5 |
| Eugenia catharinae | O.Berg | Myrtaceae | 5 |
| Fridericia platyphylla | (Cham.) L.G.Lohmann | Bignoniaceae | 5 |
| Galeandra beyrichii | Rchb.f. | Orchidaceae | 5 |
| Galianthe centranthoides | (Cham. & Schltdl.) E.L.Cabral | Rubiaceae | 5 |
| Galianthe laxa | (Cham. & Schltdl.) E.L.Cabral | Rubiaceae | 5 |
| Gamochaeta falcata | (Lam.) Cabrera | Asteraceae | 5 |
| Herbertia quareimana | Ravenna | Iridaceae | 5 |
| Hexasepalum radulum | (Willd.) Delprete & J.H.Kirkbr. | Rubiaceae | 5 |
| Hypenia macrantha | (A.St.-Hil. ex Benth.) Harley | Lamiaceae | 5 |
| Ipomoea bonariensis | Hook. | Convolvulaceae | 5 |
| Isostigma peucedanifolium | (Spreng.) Less. | Asteraceae | 5 |
| Jacquemontia velutina | Choisy | Convolvulaceae | 5 |
| Justicia floribunda | (J.J.Veitch) Wassh. | Acanthaceae | 5 |
| Lindsaea lancea | (L.) Bedd. | Lindsaeaceae | 5 |
| Linum selaginoides | Lam. | Linaceae | 5 |
| Lippia turnerifolia | Cham. | Verbenaceae | 5 |
| Lobelia aquatica | Cham. | Campanulaceae | 5 |
| Lonchocarpus nitidus | (Vogel) Benth. | Fabaceae | 5 |
| Lupinus lanatus | Benth. | Fabaceae | 5 |
| Maxillaria picta | Hook. | Orchidaceae | 5 |
| Melothria trilobata | Cogn. | Cucurbitaceae | 5 |
| Mesosphaerum sidifolium | (L'Hér.) Harley & J.F.B.Pastore | Lamiaceae | 5 |
| Miconia ligustroides | (DC.) Naudin | Melastomataceae | 5 |
| Mimosa pilulifera | Benth. | Fabaceae | 5 |
| Mimosa rocae | Lorentz & Niederl. | Fabaceae | 5 |
| Mimosa somnians | Humb. & Bonpl. ex Willd. | Fabaceae | 5 |
| Moquilea tomentosa | Benth. | Chrysobalanaceae | 5 |
| Myrceugenia myrtoides | O.Berg | Myrtaceae | 5 |
| Myrcia oblongata | DC. | Myrtaceae | 5 |
| Nectandra mollis | (Kunth) Nees | Lauraceae | 5 |
| Oxypetalum pannosum | Decne. | Apocynaceae | 5 |
| Pavonia glechomoides | A.St.-Hil. | Malvaceae | 5 |
| Pavonia missionum | Ekman | Malvaceae | 5 |
| Pavonia psilophylla | Ekman | Malvaceae | 5 |
| Phenax sonneratii | (Poir.) Wedd. | Urticaceae | 5 |
| Philodendron renauxii | Reitz | Araceae | 5 |
| Pilea pubescens | Liebm. | Urticaceae | 5 |
| Pleroma mutabile | (Vell.) Triana | Melastomataceae | 5 |
| Plinia edulis | (Vell.) Sobral | Myrtaceae | 5 |
| Pouteria caimito | Radlk. | Sapotaceae | 5 |
| Pseudabutilon virgatum | (Cav.) Fryxell | Malvaceae | 5 |
| Pseudalbizzia niopoides | (Spruce ex Benth.) E.J.M.Koenen & Duno | Fabaceae | 5 |
| Pseudechinolaena polystachya | (Kunth) Stapf | Poaceae | 5 |
| Pterocarpus rohrii | Vahl | Fabaceae | 5 |
| Qualea multiflora | Mart. | Vochysiaceae | 5 |
| Ranunculus flagelliformis | Sm. | Ranunculaceae | 5 |
| Rhynchospora consanguinea | (Kunth) Boeckeler | Cyperaceae | 5 |
| Rhynchospora rugosa | (Vahl) Gale | Cyperaceae | 5 |
| Sabicea villosa | Willd. ex Schult. | Rubiaceae | 5 |
| Scybalium fungiforme | Schott & Endl. | Balanophoraceae | 5 |
| Senecio pinnatus | Poir. | Asteraceae | 5 |
| Solanum malmeanum | Bitter | Solanaceae | 5 |
| Spermacoce suaveolens | (G.Mey.) Kuntze | Rubiaceae | 5 |
| Stigmaphyllon jatrophifolium | A.Juss. | Malpighiaceae | 5 |
| Struthanthus uraguensis | (Hook. & Arn.) G.Don | Loranthaceae | 5 |
| Tarenaya diffusa | (Banks ex DC.) Soares Neto & Roalson | Cleomaceae | 5 |
| Tillandsia polystachia | (L.) L. | Bromeliaceae | 5 |
| Tocoyena sellowiana | (Cham. & Schltdl.) K.Schum. | Rubiaceae | 5 |
| Trichocentrum fuscum | Lindl. | Orchidaceae | 5 |
| Trichomanes anadromum | Rosenst. | Hymenophyllaceae | 5 |
| Urtica circularis | (Hicken) Sorarú | Urticaceae | 5 |
| Utricularia nervosa | Weber ex Benj. | Lentibulariaceae | 5 |
| Vachellia astringens | (Gillies ex Hook. & Arn.) Speg. | Fabaceae | 5 |
| Vailia picta | (Vahl) Morillo | Apocynaceae | 5 |
| Verbena gracilescens | (Cham.) Herter | Verbenaceae | 5 |
| Verbena nana | Moldenke | Verbenaceae | 5 |
| Vernonanthura tweedieana | (Baker) H.Rob. | Asteraceae | 5 |
| Vitex cymosa | Bertero ex Spreng. | Lamiaceae | 5 |
| Vriesea rubroviridis | F.P.Uribbe & A.F.Costa | Bromeliaceae | 5 |
| Waltheria communis | A.St.-Hil. | Malvaceae | 5 |
| Xanthosoma taioba | E.G.Gonç. | Araceae | 5 |
| Abutilon terminale | (Cav.) A.St.-Hil. | Malvaceae | 4 |
| Adenocalymma marginatum | (Cham.) DC. | Bignoniaceae | 4 |
| Adenostemma brasilianum | (Pers.) Cass. | Asteraceae | 4 |
| Aechmea ornata | (Gaudich.) Baker | Bromeliaceae | 4 |
| Aechmea pectinata | Baker | Bromeliaceae | 4 |
| Agrostis montevidensis | Spreng. ex Nees | Poaceae | 4 |
| Allagoptera campestris | (Mart.) Kuntze | Arecaceae | 4 |
| Annona emarginata | (Schltdl.) H.Rainer | Annonaceae | 4 |
| Aphelandra chamissoniana | Nees | Acanthaceae | 4 |
| Aphelandra longiflora | (Lindl.) Profice | Acanthaceae | 4 |
| Arachis burkartii | Handro | Fabaceae | 4 |
| Athyrium dombeyi | Desv. | Athyriaceae | 4 |
| Baccharis oblongifolia | Pers. | Asteraceae | 4 |
| Baccharis psiadioides | (Less.) Joch.Müll. | Asteraceae | 4 |
| Bifrenaria aureofulva | (Hook.) Lindl. | Orchidaceae | 4 |
| Bifrenaria harrisoniae | (Hook.) Rchb.f. | Orchidaceae | 4 |
| Billbergia porteana | Brongn. ex Beer | Bromeliaceae | 4 |
| Bletia catenulata | Ruiz & Pav. | Orchidaceae | 4 |
| Bouchea fluminensis | (Vell.) Moldenke | Verbenaceae | 4 |
| Butia paraguayensis | (Barb.Rodr.) L.H.Bailey | Arecaceae | 4 |
| Campovassouria cruciata | (Vell.) R.M.King & H.Rob. | Asteraceae | 4 |
| Campylocentrum densiflorum | Cogn. | Orchidaceae | 4 |
| Campyloneurum austrobrasilianum | (Alston) de la Sota | Polypodiaceae | 4 |
| Carex brongniartii | Kunth | Cyperaceae | 4 |
| Cariniana estrellensis | (Raddi) Kuntze | Lecythidaceae | 4 |
| Cenchrus nervosus | (Nees) Kuntze | Poaceae | 4 |
| Cestrum mariquitense | Kunth | Solanaceae | 4 |
| Chaetogastra clinopodifolia | DC. | Melastomataceae | 4 |
| Chaetogastra nitida | (Graham) P.J.F.Guim. & Michelang. | Melastomataceae | 4 |
| Chamaecrista glandulosa | (L.) Greene | Fabaceae | 4 |
| Chaptalia runcinata | Kunth | Asteraceae | 4 |
| Chromolaena christieana | (Baker) R.M.King & H.Rob. | Asteraceae | 4 |
| Chromolaena squarrulosa | (Hook. & Arn.) R.M.King & H.Rob. | Asteraceae | 4 |
| Clematis acapulcensis | Hook. & Arn. | Ranunculaceae | 4 |
| Corchorus orinocensis | Kunth | Malvaceae | 4 |
| Corymborkis flava | (Sw.) Kuntze | Orchidaceae | 4 |
| Ctenanthe lubbersiana | Eichler ex Petersen | Marantaceae | 4 |
| Ctenodon histrix | (Poir.) D.B.O.S.Cardoso, P.L.R.Moraes & H.C.Lima | Fabaceae | 4 |
| Cunila microcephala | Benth. | Lamiaceae | 4 |
| Cuphea circaeoides | Sm. ex Sims | Lythraceae | 4 |
| Cypella fucata | Ravenna | Iridaceae | 4 |
| Dalbergia miscolobium | Benth. | Fabaceae | 4 |
| Declieuxia fruticosa | (Willd.) Kuntze | Rubiaceae | 4 |
| Dicranopteris nervosa | (Kaulf.) Maxon | Gleicheniaceae | 4 |
| Dictyostega orobanchoides | (Hook.) Miers | Burmanniaceae | 4 |
| Diplazium striatastrum | Lellinger | Athyriaceae | 4 |
| Drosera latifolia | (Eichler) Gonella & Rivadavia | Droseraceae | 4 |
| Epistephium sclerophyllum | Lindl. | Orchidaceae | 4 |
| Erechtites albiflorus | (Sch.Bip.) Hassemer & Funez | Asteraceae | 4 |
| Eryngium megapotamicum | Malme | Apiaceae | 4 |
| Eryngium mesopotamicum | Pedersen | Apiaceae | 4 |
| Eubrachion ambiguum | (Hook. & Arn.) Engl. | Santalaceae | 4 |
| Eugenia brasiliensis | Lam. | Myrtaceae | 4 |
| Eugenia ligustrina | (Sw.) Willd. | Myrtaceae | 4 |
| Evolvulus barbatus | Meisn. | Convolvulaceae | 4 |
| Galianthe fastigiata | Griseb. | Rubiaceae | 4 |
| Gamochaeta simplicicaulis | (Willd. ex Spreng.) Cabrera | Asteraceae | 4 |
| Gaylussacia brasiliensis | (Spreng.) Meisn. | Ericaceae | 4 |
| Glechon marifolia | Benth. | Lamiaceae | 4 |
| Grona adscendens | (Sw.) H.Ohashi & K.Ohashi | Fabaceae | 4 |
| Habenaria megapotamensis | Hoehne | Orchidaceae | 4 |
| Hatschbachiella tweedieana | (Hook. ex Arn.) R.M.King & H.Rob. | Asteraceae | 4 |
| Hedyosmum brasiliense | Mart. | Chloranthaceae | 4 |
| Helanthium tenellum | (Mart. ex Schult.f.) Britton | Alismataceae | 4 |
| Heliotropium transalpinum | Vell. | Heliotropiaceae | 4 |
| Herissantia tiubae | (K.Schum.) Brizicky | Malvaceae | 4 |
| Heteranthera zosterifolia | Mart. | Pontederiaceae | 4 |
| Heteropterys dumetorum | (Griseb.) Nied. | Malpighiaceae | 4 |
| Hippeastrum aulicum | (Ker Gawl.) Herb. | Amaryllidaceae | 4 |
| Hohenbergia augusta | (Vell.) É.Morren | Bromeliaceae | 4 |
| Hypericum caprifoliatum | Cham. & Schltdl. | Hypericaceae | 4 |
| Hyptis multibracteata | Benth. | Lamiaceae | 4 |
| Ipomoea malvaeoides | Meisn. | Convolvulaceae | 4 |
| Isabelia virginalis | Barb.Rodr. | Orchidaceae | 4 |
| Lepidaploa remotiflora | (Rich.) H.Rob. | Asteraceae | 4 |
| Leptotes unicolor | Barb.Rodr. | Orchidaceae | 4 |
| Lippia coarctata | Tronc. | Verbenaceae | 4 |
| Lygodium volubile | Sw. | Lygodiaceae | 4 |
| Lysimachia filiformis | (Cham. & Schltdl.) U.Manns & Anderb. | Primulaceae | 4 |
| Macroptilium arenarium | (Bacig.) S.I.Drewes & R.A.Palacios | Fabaceae | 4 |
| Macroptilium erythroloma | (Mart. ex Benth.) Urb. | Fabaceae | 4 |
| Maxillaria bradei | Schltr. ex Hoehne | Orchidaceae | 4 |
| Maxillaria obtusa | (Lindl.) Molinari | Orchidaceae | 4 |
| Melica sarmentosa | Nees | Poaceae | 4 |
| Merostachys claussenii | Munro | Poaceae | 4 |
| Miconia cinerascens | Miq. | Melastomataceae | 4 |
| Microgramma percussa | (Cav.) de la Sota | Polypodiaceae | 4 |
| Microlicia parviflora | (D.Don) Versiane & R.Romero | Melastomataceae | 4 |
| Myracrodruon balansae | (Engl.) Santin | Anacardiaceae | 4 |
| Nectandra cuspidata | Nees & Mart. | Lauraceae | 4 |
| Nectandra hihua | (Ruiz & Pav.) Rohwer | Lauraceae | 4 |
| Nicotiana langsdorffii | Weinm. | Solanaceae | 4 |
| Niedenzuella acutifolia | (Cav.) W.R.Anderson | Malpighiaceae | 4 |
| Noticastrum malmei | Zardini | Asteraceae | 4 |
| Nymphaea amazonum | Mart. & Zucc. | Nymphaeaceae | 4 |
| Ocotea notata | (Nees & Mart.) Mez | Lauraceae | 4 |
| Oreopanax fulvus | Marchal | Araliaceae | 4 |
| Orthosia urceolata | E.Fourn. | Apocynaceae | 4 |
| Palicourea tenerior | (Cham.) Delprete & J.H.Kirkbr. | Rubiaceae | 4 |
| Paullinia trigonia | Vell. | Sapindaceae | 4 |
| Pecluma struthionis | (L.) Boudrie, Cremers & Viane | Polypodiaceae | 4 |
| Philodendron corcovadense | Kunth | Araceae | 4 |
| Philodendron martianum | Engl. | Araceae | 4 |
| Phoradendron berteroanum | (DC.) Griseb. | Santalaceae | 4 |
| Phoradendron dipterum | Eichler | Santalaceae | 4 |
| Piper mollicomum | Kunth | Piperaceae | 4 |
| Plathymenia reticulata | Benth. | Fabaceae | 4 |
| Platymiscium floribundum | Vogel | Fabaceae | 4 |
| Pleroma clavatum | (Pers.) P.J.F.Guim. & Michelang. | Melastomataceae | 4 |
| Podocoma hirsuta | Baker | Asteraceae | 4 |
| Porophyllum obscurum | (Spreng.) DC. | Asteraceae | 4 |
| Prosopanche bonacinae | Speg. | Aristolochiaceae | 4 |
| Psychotria brachyceras | Müll.Arg. | Rubiaceae | 4 |
| Rubus imperialis | Cham. & Schltdl. | Rosaceae | 4 |
| Rudgea parquioides | (Cham.) Müll.Arg. | Rubiaceae | 4 |
| Ruellia elegans | Poir. | Acanthaceae | 4 |
| Ruprechtia laxiflora | Meisn. | Polygonaceae | 4 |
| Salvinia auriculata | Aubl. | Salviniaceae | 4 |
| Schizachyrium condensatum | (Kunth) Nees | Poaceae | 4 |
| Schlegelia parviflora | (Oerst.) Monach. | Schlegeliaceae | 4 |
| Schwartzia brasiliensis | (Choisy) Bedell ex Gir.-Cañas | Marcgraviaceae | 4 |
| Scleria microcarpa | Nees ex Kunth | Cyperaceae | 4 |
| Senecio pulcher | Hook. & Arn. | Asteraceae | 4 |
| Sida dubia | A.St.-Hil. & Naudin | Malvaceae | 4 |
| Sidastrum paniculatum | (L.) Fryxell | Malvaceae | 4 |
| Sporobolus coarctatus | (Trin.) P.M.Peterson & Saarela | Poaceae | 4 |
| Steinchisma laxum | (Sw.) Zuloaga | Poaceae | 4 |
| Stenachaenium macrocephalum | Benth. ex Benth. & Hook.f. | Asteraceae | 4 |
| Stenandrium mandioccanum | Nees | Acanthaceae | 4 |
| Styrax leprosus | Hook. & Arn. | Styracaceae | 4 |
| Tanaecium selloi | (Spreng.) L.G.Lohmann | Bignoniaceae | 4 |
| Trichilia pallida | Sw. | Meliaceae | 4 |
| Trigonia nivea | Cambess. | Trigoniaceae | 4 |
| Trixis antimenorrhoea | (Schrank) Kuntze | Asteraceae | 4 |
| Urera aurantiaca | Wedd. | Urticaceae | 4 |
| Verbena megapotamica | Spreng. | Verbenaceae | 4 |
| Verbesina subcordata | DC. | Asteraceae | 4 |
| Vernonanthura discolor | (Less.) H.Rob. | Asteraceae | 4 |
| Vicia pampicola | Burkart | Fabaceae | 4 |
| Vriesea altodaserrae | L.B.Sm. | Bromeliaceae | 4 |
| Wissadula periplocifolia | (L.) Thwaites | Malvaceae | 4 |
| Xyris laxifolia | Mart. | Xyridaceae | 4 |
| Abatia angeliana | M.H.Alford | Salicaceae | 3 |
| Abutilon umbelliflorum | A.St.-Hil. | Malvaceae | 3 |
| Achyrocline flaccida | (Weinm.) DC. | Asteraceae | 3 |
| Acianthera hygrophila | (Barb.Rodr.) Pridgeon & M.W.Chase | Orchidaceae | 3 |
| Adiantum abscissum | Schrad. | Pteridaceae | 3 |
| Adiantum deflectens | Mart. | Pteridaceae | 3 |
| Adiantum obliquum | Willd. | Pteridaceae | 3 |
| Adiantum terminatum | Kuntze | Pteridaceae | 3 |
| Andropogon tener | (Nees) Kunth | Poaceae | 3 |
| Annona cornifolia | A.St.-Hil. | Annonaceae | 3 |
| Anthurium sellowianum | Kunth | Araceae | 3 |
| Aphelandra ornata | (Nees) T.Anderson | Acanthaceae | 3 |
| Aristida murina | Cav. | Poaceae | 3 |
| Aspilia pascalioides | Griseb. | Asteraceae | 3 |
| Asplenium sellowianum | (Hieron.) Hieron. | Aspleniaceae | 3 |
| Baccharis nitida | (Ruiz & Pav.) Pers. | Asteraceae | 3 |
| Baccharis subtropicalis | G.Heiden | Asteraceae | 3 |
| Bacopa lanigera | (Cham. & Schltdl.) Wettst. | Plantaginaceae | 3 |
| Barbosella miersii | (Lindl.) Schltr. | Orchidaceae | 3 |
| Begonia convolvulacea | (Klotzsch ex Klotzsch) A.DC. | Begoniaceae | 3 |
| Billbergia distachia | (Vell.) Mez | Bromeliaceae | 3 |
| Bougainvillea spectabilis | Willd. | Nyctaginaceae | 3 |
| Butia eriospatha | (Mart. ex Drude) Becc. | Arecaceae | 3 |
| Calydorea amabilis | (Ravenna) Goldblatt & Henrich | Iridaceae | 3 |
| Campomanesia guaviroba | (DC.) Bertoni | Myrtaceae | 3 |
| Campylocentrum robustum | Cogn. | Orchidaceae | 3 |
| Capsicum baccatum | L. | Solanaceae | 3 |
| Carex uruguensis | Boeckeler | Cyperaceae | 3 |
| Cattleya cernua | (Lindl.) Van den Berg | Orchidaceae | 3 |
| Celtis chichape | (Wedd.) Miq. | Cannabaceae | 3 |
| Cenostigma pluviosum | (DC.) Gagnon & G.P.Lewis | Fabaceae | 3 |
| Centrolobium tomentosum | Guill. ex Benth. | Fabaceae | 3 |
| Chevreulia sarmentosa | (Pers.) S.F.Blake | Asteraceae | 3 |
| Chresta sphaerocephala | DC. | Asteraceae | 3 |
| Cleistes rosea | Lindl. | Orchidaceae | 3 |
| Cleome titubans | Speg. | Cleomaceae | 3 |
| Codonanthe gracilis | (Mart.) Hanst. | Gesneriaceae | 3 |
| Copaifera trapezifolia | Hayne | Fabaceae | 3 |
| Corchorus hirtus | L. | Malvaceae | 3 |
| Criscia stricta | (Spreng.) Katinas | Asteraceae | 3 |
| Croton nitrariifolius | Baill. | Euphorbiaceae | 3 |
| Cyathea atrovirens | (Langsd. & Fisch.) Domin | Cyatheaceae | 3 |
| Cyclanthera hystrix | Arn. | Cucurbitaceae | 3 |
| Cyperus byssaceus | Pereira-Silva | Cyperaceae | 3 |
| Cyperus rigens | J.Presl & C.Presl | Cyperaceae | 3 |
| Dimerostemma aspilioides | (Griseb.) M.D.Moraes | Asteraceae | 3 |
| Distimake macrocalyx | (Ruiz & Pav.) A.R.Simões & Staples | Convolvulaceae | 3 |
| Drosera grantsaui | Rivadavia | Droseraceae | 3 |
| Dyckia leptostachya | Baker | Bromeliaceae | 3 |
| Echinochloa polystachya | (Kunth) Hitchc. | Poaceae | 3 |
| Elaphoglossum lingua | (C.Presl) Brack. | Dryopteridaceae | 3 |
| Elleanthus graminifolius | (Barb.Rodr.) Løjtnant | Orchidaceae | 3 |
| Emmeorhiza umbellata | (Spreng.) K.Schum. | Rubiaceae | 3 |
| Erythroxylum cuneifolium | (Mart.) O.E.Schulz | Erythroxylaceae | 3 |
| Eugenia astringens | Cambess. | Myrtaceae | 3 |
| Eugenia uruguayensis | Cambess. | Myrtaceae | 3 |
| Eustachys distichophylla | (Lag.) Nees | Poaceae | 3 |
| Ficus cestrifolia | Schott ex Spreng. | Moraceae | 3 |
| Galeandra styllomisantha | (Vell.) Hoehne | Orchidaceae | 3 |
| Gallesia integrifolia | (Spreng.) Harms | Petiveriaceae | 3 |
| Gomesa cornigera | (Lindl.) M.W.Chase & N.H.Williams | Orchidaceae | 3 |
| Gomesa paranensoides | M.W.Chase & N.H.Williams | Orchidaceae | 3 |
| Habenaria bractescens | Lindl. | Orchidaceae | 3 |
| Habenaria parviflora | Lindl. | Orchidaceae | 3 |
| Habenaria petalodes | Lindl. | Orchidaceae | 3 |
| Hedeoma multiflora | Benth. | Lamiaceae | 3 |
| Hieronyma alchorneoides | Allemão | Phyllanthaceae | 3 |
| Hypochaeris megapotamica | Cabrera | Asteraceae | 3 |
| Hypochaeris microcephala | (Sch.Bip.) Cabrera | Asteraceae | 3 |
| Hypolepis hostilis | (Kunze) C.Presl | Dennstaedtiaceae | 3 |
| Indigofera asperifolia | Bong. ex Benth. | Fabaceae | 3 |
| Inga maritima | Benth. | Fabaceae | 3 |
| Ipheion sessile | (Phil.) Traub | Amaryllidaceae | 3 |
| Ipomoea argentea | Meisn. | Convolvulaceae | 3 |
| Ipomoea descolei | O'Donell | Convolvulaceae | 3 |
| Lathyrus nervosus | Lam. | Fabaceae | 3 |
| Lathyrus subulatus | Lam. | Fabaceae | 3 |
| Leptolobium dasycarpum | Vogel | Fabaceae | 3 |
| Lobelia langeana | Dusén | Campanulaceae | 3 |
| Lucilia nitens | Less. | Asteraceae | 3 |
| Ludwigia nervosa | (Poir.) H.Hara | Onagraceae | 3 |
| Lupinus heptaphyllus | (Vell.) Hassl. | Fabaceae | 3 |
| Mandevilla scabra | K.Schum. | Apocynaceae | 3 |
| Manettia paraguariensis | Chodat | Rubiaceae | 3 |
| Maranta divaricata | Roscoe | Marantaceae | 3 |
| Maxillaria paranaensis | Barb.Rodr. | Orchidaceae | 3 |
| Mendoncia velloziana | Mart. | Acanthaceae | 3 |
| Miconia dodecandra | Cogn. | Melastomataceae | 3 |
| Mikania hemisphaerica | Sch.Bip. ex Baker | Asteraceae | 3 |
| Mikania thapsoides | DC. | Asteraceae | 3 |
| Mimosa scabrella | Benth. | Fabaceae | 3 |
| Morisonia frondosa | (Jacq.) Christenh. & Byng | Capparaceae | 3 |
| Myracrodruon urundeuva | Allemão | Anacardiaceae | 3 |
| Nicotiana bonariensis | Lehm. | Solanaceae | 3 |
| Nothoscordum dialystemon | (Guagl.) Crosa | Amaryllidaceae | 3 |
| Noticastrum decumbens | (Baker) Cuatrec. | Asteraceae | 3 |
| Ophioglossum reticulatum | L. | Ophioglossaceae | 3 |
| Oxypetalum coeruleum | (D.Don ex Sweet) Decne. | Apocynaceae | 3 |
| Oxypetalum macrolepis | (Hook. & Arn.) Decne. | Apocynaceae | 3 |
| Oxypetalum mosenii | (Malme) Malme | Apocynaceae | 3 |
| Oxypetalum tomentosum | Wight ex Hook. & Arn. | Apocynaceae | 3 |
| Paepalanthus polyanthus | (Bong.) Kunth | Eriocaulaceae | 3 |
| Parodia langsdorfii | (Lehm.) D.R.Hunt | Cactaceae | 3 |
| Paspalum malacophyllum | Trin. | Poaceae | 3 |
| Paspalum stellatum | Flüggé | Poaceae | 3 |
| Passiflora catharinensis | Sacco | Passifloraceae | 3 |
| Paullinia meliifolia | Juss. | Sapindaceae | 3 |
| Pavonia betonicifolia | C.Presl | Malvaceae | 3 |
| Pavonia distinguenda | A.St.-Hil. & Naudin | Malvaceae | 3 |
| Pavonia xanthogloea | Ekman | Malvaceae | 3 |
| Pelexia bonariensis | (Lindl.) Schltr. | Orchidaceae | 3 |
| Peperomia barbarana | C.DC. | Piperaceae | 3 |
| Peperomia subretusa | Yunck. | Piperaceae | 3 |
| Peperomia tetragona | Ruiz & Pav. | Piperaceae | 3 |
| Phacelia artemisioides | Griseb. | Hydrophyllaceae | 3 |
| Philodendron crassinervium | Lindl. | Araceae | 3 |
| Phoradendron crassifolium | (Pohl ex DC.) Eichler | Santalaceae | 3 |
| Phoradendron mucronatum | (DC.) Krug & Urb. | Santalaceae | 3 |
| Phyllanthus acuminatus | Vahl | Phyllanthaceae | 3 |
| Phyllanthus orbiculatus | Rich. | Phyllanthaceae | 3 |
| Pilostyles blanchetii | (Gardner) R.Br. | Apodanthaceae | 3 |
| Piper regnellii | (Miq.) C.DC. | Piperaceae | 3 |
| Polytaenium feei | (W.Schaffn. ex Fée) Maxon | Pteridaceae | 3 |
| Pterocaulon alopecuroides | (Lam.) DC. | Asteraceae | 3 |
| Raulinoreitzia tremula | (Hook. & Arn.) R.M.King & H.Rob. | Asteraceae | 3 |
| Rhynchanthera cordata | DC. | Melastomataceae | 3 |
| Rhynchosia reticulata | (Sw.) DC. | Fabaceae | 3 |
| Roupala montana | Aubl. | Proteaceae | 3 |
| Ruehssia macrophylla | (Humb. & Bonpl. ex Schult.) H.Karst. | Apocynaceae | 3 |
| Ruellia geminiflora | Kunth | Acanthaceae | 3 |
| Sagittaria rhombifolia | Cham. | Alismataceae | 3 |
| Salvia melissiflora | Benth. | Lamiaceae | 3 |
| Schinus weinmanniifolia | Engl. | Anacardiaceae | 3 |
| Schnella microstachya | Raddi | Fabaceae | 3 |
| Scleria latifolia | Sw. | Cyperaceae | 3 |
| Senecio tweediei | Hook. & Arn. | Asteraceae | 3 |
| Setaria tenax | (Rich.) Desv. | Poaceae | 3 |
| Sideroxylon obtusifolium | (Roem. & Schult.) T.D.Penn. | Sapotaceae | 3 |
| Sinningia lutea | Buzatto & R.B.Singer | Gesneriaceae | 3 |
| Sisyrinchium scariosum | I.M.Johnst. | Iridaceae | 3 |
| Solanum concinnum | Schott ex Sendtn. | Solanaceae | 3 |
| Solanum piluliferum | Dunal | Solanaceae | 3 |
| Solanum robustum | H.L.Wendl. | Solanaceae | 3 |
| Solanum uncinellum | Lindl. | Solanaceae | 3 |
| Sorghastrum pellitum | (Hack.) Parodi | Poaceae | 3 |
| Spergularia ramosa | Cambess. | Caryophyllaceae | 3 |
| Stelis deregularis | Barb.Rodr. | Orchidaceae | 3 |
| Stemodia lanceolata | Benth. | Plantaginaceae | 3 |
| Stylosanthes hippocampoides | Mohlenbr. | Fabaceae | 3 |
| Tarenaya spinosa | (Jacq.) Raf. | Cleomaceae | 3 |
| Tillandsia bergeri | Mez | Bromeliaceae | 3 |
| Tovomitopsis paniculata | (Spreng.) Planch. & Triana | Clusiaceae | 3 |
| Trichocline incana | Cass. | Asteraceae | 3 |
| Trichogalium ericoides | (Lam.) Kadereit & Schneew. | Rubiaceae | 3 |
| Trimezia northiana | (Schneev.) Ravenna | Iridaceae | 3 |
| Turnera orientalis | (Urb.) Arbo | Passifloraceae | 3 |
| Utricularia cucullata | A.St.-Hil. & Girard | Lentibulariaceae | 3 |
| Verbena scrobiculata | Griseb. | Verbenaceae | 3 |
| Vitex polygama | Cham. | Lamiaceae | 3 |
| Vriesea heterostachys | (Baker) L.B.Sm. | Bromeliaceae | 3 |
| Wittrockia superba | Lindm. | Bromeliaceae | 3 |
| Zanthoxylum caribaeum | Lam. | Rutaceae | 3 |
| Zygostigma australe | (Cham. & Schltdl.) Griseb. | Gentianaceae | 3 |