| Abildgaardia ovata | (Burm.f.) Kral | Cyperaceae | 8 |
| Abrus precatorius | L. | Fabaceae | 8 |
| Abutilon angulatum | (Guill. & Perr.) Mast. | Malvaceae | 8 |
| Abutilon guineense | (Schumach.) Baker f. & Exell | Malvaceae | 8 |
| Achyranthes aspera | L. | Amaranthaceae | 8 |
| Achyrospermum fruticosum | Benth. | Lamiaceae | 8 |
| Acridocarpus excelsus | A.Juss. | Malpighiaceae | 8 |
| Acrostichum aureum | L. | Pteridaceae | 8 |
| Acrostichum speciosum | Willd. | Pteridaceae | 8 |
| Actiniopteris radiata | (Sw.) Link | Pteridaceae | 8 |
| Actiniopteris semiflabellata | Pic.Serm. | Pteridaceae | 8 |
| Adansonia fony | Baill. | Malvaceae | 8 |
| Adansonia grandidieri | Baill. | Malvaceae | 8 |
| Adansonia za | Baill. | Malvaceae | 8 |
| Adiantum aethiopicum | L. | Pteridaceae | 8 |
| Adiantum capillus-veneris | L. | Pteridaceae | 8 |
| Adiantum hispidulum | Sw. | Pteridaceae | 8 |
| Adiantum philippense | L. | Pteridaceae | 8 |
| Adiantum poiretii | Wikstr. | Pteridaceae | 8 |
| Aerangis citrata | (Thouars) Schltr. | Orchidaceae | 8 |
| Aerva javanica | (Burm.f.) Juss. ex Schult. | Amaranthaceae | 8 |
| Aeschynomene brevifolia | Poir. | Fabaceae | 8 |
| Aeschynomene indica | L. | Fabaceae | 8 |
| Agarista buxifolia | (Lam.) G.Don | Ericaceae | 8 |
| Agathisanthemum bojeri | Klotzsch | Rubiaceae | 8 |
| Aira caryophyllea | L. | Poaceae | 8 |
| Albizia adianthifolia | (Schumach.) W.Wight | Fabaceae | 8 |
| Aldrovanda vesiculosa | L. | Droseraceae | 8 |
| Alectra sessiliflora | (Vahl) Kuntze | Orobanchaceae | 8 |
| Alloteropsis semialata | (R.Br.) Hitchc. | Poaceae | 8 |
| Alluaudia comosa | (Drake) Drake | Didiereaceae | 8 |
| Alluaudia procera | (Drake) Drake | Didiereaceae | 8 |
| Aloe capitata | Baker | Asphodelaceae | 8 |
| Aloe divaricata | A.Berger | Asphodelaceae | 8 |
| Aloe imalotensis | Reynolds | Asphodelaceae | 8 |
| Aloe perrieri | Reynolds | Asphodelaceae | 8 |
| Alsophila dregei | (Kunze) R.M.Tryon | Cyatheaceae | 8 |
| Alysicarpus ovalifolius | (Schumach.) J.Léonard | Fabaceae | 8 |
| Alysicarpus vaginalis | (L.) DC. | Fabaceae | 8 |
| Amblovenatum opulentum | (Kaulf.) J.P.Roux | Thelypteridaceae | 8 |
| Ammannia baccifera | L. | Lythraceae | 8 |
| Ammannia multiflora | Roxb. | Lythraceae | 8 |
| Ampelopteris prolifera | (Retz.) Copel. | Thelypteridaceae | 8 |
| Ancylobothrys petersiana | (Klotzsch) Pierre | Apocynaceae | 8 |
| Anemia vestita | (Baker) Christenh. | Anemiaceae | 8 |
| Angraecum linearifolium | Garay | Orchidaceae | 8 |
| Angraecum viguieri | Schltr. | Orchidaceae | 8 |
| Annona senegalensis | Pers. | Annonaceae | 8 |
| Anogramma leptophylla | (L.) Link | Pteridaceae | 8 |
| Anthocleista amplexicaulis | Baker | Gentianaceae | 8 |
| Anthonya bergiana | (Schltdl.) Windham & Pryer | Pteridaceae | 8 |
| Anthonya hirta | (Sw.) Windham & Pryer | Pteridaceae | 8 |
| Antiaris toxicaria | (J.F.Gmel.) Lesch. | Moraceae | 8 |
| Aphloia theiformis | (Vahl) Benn. | Aphloiaceae | 8 |
| Apodytes dimidiata | E.Mey. ex Arn. | Metteniusaceae | 8 |
| Aristida congesta | Roem. & Schult. | Poaceae | 8 |
| Aristida junciformis | Trin. & Rupr. | Poaceae | 8 |
| Aristida setacea | Retz. | Poaceae | 8 |
| Aristolochia albida | Duch. | Aristolochiaceae | 8 |
| Arthraxon hispidus | (Thunb.) Makino | Poaceae | 8 |
| Arthraxon lancifolius | (Trin.) Hochst. | Poaceae | 8 |
| Arthropteris palisotii | (Desv.) Alston | Arthropteridaceae | 8 |
| Arundinella nepalensis | Trin. | Poaceae | 8 |
| Asparagus declinatus | L. | Asparagaceae | 8 |
| Asparagus fasciculatus | Thunb. | Asparagaceae | 8 |
| Asparagus racemosus | Willd. | Asparagaceae | 8 |
| Asplenium aethiopicum | (Burm.f.) Becherer | Aspleniaceae | 8 |
| Asplenium capense | (Kunze) Bir, Fraser-Jenk. & Lovis | Aspleniaceae | 8 |
| Asplenium mannii | Hook. | Aspleniaceae | 8 |
| Asplenium mauritianum | (C.Presl) Viane | Aspleniaceae | 8 |
| Asplenium monanthes | L. | Aspleniaceae | 8 |
| Asplenium normale | D.Don | Aspleniaceae | 8 |
| Asplenium rutifolium | (P.J.Bergius) Kunze | Aspleniaceae | 8 |
| Asplenium simii | Braithwaite & Schelpe | Aspleniaceae | 8 |
| Asplenium theciferum | (Kunth) Mett. | Aspleniaceae | 8 |
| Asystasia intrusa | (Forssk.) Blume | Acanthaceae | 8 |
| Avicennia marina | (Forssk.) Vierh. | Acanthaceae | 8 |
| Azima tetracantha | Lam. | Salvadoraceae | 8 |
| Azolla pinnata | R.Br. | Salviniaceae | 8 |
| Barleria lupulina | Lindl. | Acanthaceae | 8 |
| Barleria prionitis | L. | Acanthaceae | 8 |
| Barringtonia asiatica | Kurz | Lecythidaceae | 8 |
| Barringtonia racemosa | (L.) Spreng. | Lecythidaceae | 8 |
| Bauhinia monandra | Kurz | Fabaceae | 8 |
| Berchemia discolor | (Klotzsch) Hemsl. | Rhamnaceae | 8 |
| Bismarckia nobilis | Hildebrandt & H.Wendl. | Arecaceae | 8 |
| Blechnum australe | L. | Blechnaceae | 8 |
| Blechnum punctulatum | Sw. | Blechnaceae | 8 |
| Blepharis maderaspatensis | (L.) B.Heyne ex Roth | Acanthaceae | 8 |
| Blumea axillaris | DC. | Asteraceae | 8 |
| Blumea viscosa | (Mill.) V.M.Badillo | Asteraceae | 8 |
| Blyxa aubertii | Rich. | Hydrocharitaceae | 8 |
| Boerhavia plumbaginea | Cav. | Nyctaginaceae | 8 |
| Bolboschoenus glaucus | (Lam.) S.G.Sm. | Cyperaceae | 8 |
| Borassus aethiopum | Mart. | Arecaceae | 8 |
| Bothriochloa bladhii | (Retz.) S.T.Blake | Poaceae | 8 |
| Bothriochloa glabra | (Roxb.) A.Camus | Poaceae | 8 |
| Bothriochloa pertusa | (L.) A.Camus | Poaceae | 8 |
| Brachystephanus lyallii | Nees | Acanthaceae | 8 |
| Breonadia salicina | (Vahl) Hepper & J.R.I.Wood | Rubiaceae | 8 |
| Brexia madagascariensis | (Lam.) Ker Gawl. | Celastraceae | 8 |
| Bromus pectinatus | Thunb. | Poaceae | 8 |
| Bruguiera gymnorhiza | (L.) Lam. ex Savigny | Rhizophoraceae | 8 |
| Buchnera hispida | Buch.-Ham. ex D.Don | Orobanchaceae | 8 |
| Buddleja madagascariensis | Lam. | Scrophulariaceae | 8 |
| Bulbophyllum analamazoatrae | Schltr. | Orchidaceae | 8 |
| Bulbophyllum auriflorum | H.Perrier | Orchidaceae | 8 |
| Bulbophyllum occlusum | Ridl. | Orchidaceae | 8 |
| Bulbostylis barbata | (Rottb.) C.B.Clarke | Cyperaceae | 8 |
| Cajanus scarabaeoides | (L.) Thouars | Fabaceae | 8 |
| Calanthe masuca | (D.Don) Lindl. | Orchidaceae | 8 |
| Calanthe sylvatica | (Thouars) Lindl. | Orchidaceae | 8 |
| Caldesia parnassifolia | (L.) Parl. | Alismataceae | 8 |
| Calophyllum inophyllum | L. | Calophyllaceae | 8 |
| Canavalia rosea | (Sw.) DC. | Fabaceae | 8 |
| Canscora diffusa | (Vahl) R.Br. ex Roem. & Schult. | Gentianaceae | 8 |
| Capparis cartilaginea | Decne. | Capparaceae | 8 |
| Carallia brachiata | (Lour.) Merr. | Rhizophoraceae | 8 |
| Cardiospermum halicacabum | L. | Sapindaceae | 8 |
| Carex brunnea | Thunb. | Cyperaceae | 8 |
| Carex spartea | Wahlenb. | Cyperaceae | 8 |
| Carissa spinarum | L. | Apocynaceae | 8 |
| Cassytha filiformis | L. | Lauraceae | 8 |
| Catharanthus ovalis | Markgr. | Apocynaceae | 8 |
| Catharanthus roseus | (L.) G.Don | Apocynaceae | 8 |
| Cathariostachys madagascariensis | (A.Camus) S.Dransf. | Poaceae | 8 |
| Celtis africana | Burm.f. | Cannabaceae | 8 |
| Celtis mildbraedii | Engl. | Cannabaceae | 8 |
| Cenchrus ciliaris | L. | Poaceae | 8 |
| Cenchrus setosus | Sw. | Poaceae | 8 |
| Centella asiatica | (L.) Urb. | Apiaceae | 8 |
| Centotheca lappacea | (L.) Desv. | Poaceae | 8 |
| Ceratophyllum demersum | L. | Ceratophyllaceae | 8 |
| Cerbera manghas | L. | Apocynaceae | 8 |
| Ceriops tagal | (Perr.) C.B.Rob. | Rhizophoraceae | 8 |
| Ceropegia racemosa | N.E.Br. | Apocynaceae | 8 |
| Chaetachme aristata | Planch. | Cannabaceae | 8 |
| Chamaecrista nomame | (Makino) H.Ohashi | Fabaceae | 8 |
| Chasechloa madagascariensis | (Baker) A.Camus | Poaceae | 8 |
| Chloris barbata | Sw. | Poaceae | 8 |
| Chloris pycnothrix | Trin. | Poaceae | 8 |
| Choristosoria calomelanos | (Sw.) Windham & Schuettp. | Pteridaceae | 8 |
| Choristosoria quadripinnata | (Forssk.) Windham & Schuettp. | Pteridaceae | 8 |
| Choristosoria viridis | (Forssk.) Windham & Schuettp. | Pteridaceae | 8 |
| Christella dentata | (Forssk.) Brownsey & Jermy | Thelypteridaceae | 8 |
| Chrysalidocarpus baronii | Becc. | Arecaceae | 8 |
| Chrysalidocarpus carlsmithii | (J.Dransf. & Marcus) Eiserhardt & W.J.Baker | Arecaceae | 8 |
| Chrysalidocarpus lastellianus | (Baill.) Eiserhardt & W.J.Baker | Arecaceae | 8 |
| Chrysalidocarpus lutescens | H.Wendl. | Arecaceae | 8 |
| Chrysopogon aciculatus | (Retz.) Trin. | Poaceae | 8 |
| Chrysopogon serrulatus | Trin. | Poaceae | 8 |
| Cissampelos pareira | L. | Menispermaceae | 8 |
| Cissus quadrangularis | L. | Vitaceae | 8 |
| Clematis brachiata | Thunb. | Ranunculaceae | 8 |
| Cleome gynandra | L. | Cleomaceae | 8 |
| Cleome monophylla | L. | Cleomaceae | 8 |
| Cleome viscosa | L. | Cleomaceae | 8 |
| Cnestis polyphylla | Lam. | Connaraceae | 8 |
| Cochlidium serrulatum | (Sw.) L.E.Bishop | Polypodiaceae | 8 |
| Coldenia procumbens | L. | Coldeniaceae | 8 |
| Coleochloa setifera | (Ridl.) Gilly | Cyperaceae | 8 |
| Coleus bojeri | Benth. | Lamiaceae | 8 |
| Coleus lasianthus | Gürke | Lamiaceae | 8 |
| Colubrina asiatica | Brongn. | Rhamnaceae | 8 |
| Commelina africana | L. | Commelinaceae | 8 |
| Commelina diffusa | Burm.f. | Commelinaceae | 8 |
| Commelina forskaolii | Vahl | Commelinaceae | 8 |
| Convolvulus farinosus | L. | Convolvulaceae | 8 |
| Coptosperma supra-axillare | (Hemsl.) Degreef | Rubiaceae | 8 |
| Cordia afra | Sond. | Cordiaceae | 8 |
| Cordia monoica | Roxb. | Cordiaceae | 8 |
| Cordia subcordata | Lam. | Cordiaceae | 8 |
| Cordylostigma virgatum | (Willd.) Groeninckx & Dessein | Rubiaceae | 8 |
| Cotula australis | Hook.f. | Asteraceae | 8 |
| Crassocephalum crepidioides | S.Moore | Asteraceae | 8 |
| Crassocephalum rubens | (Jacq.) S.Moore | Asteraceae | 8 |
| Crassula expansa | Aiton | Crassulaceae | 8 |
| Cravenia panduriformis | (Burm.f.) McLay & R.L.Barrett | Malvaceae | 8 |
| Crepidomanes melanotrichum | (Schltdl.) J.P.Roux | Hymenophyllaceae | 8 |
| Crepidomanes parvulum | (Poir.) Nivart, Senterre & Dubuisson | Hymenophyllaceae | 8 |
| Crotalaria incana | L. | Fabaceae | 8 |
| Crotalaria lanceolata | E.Mey. | Fabaceae | 8 |
| Crotalaria pallida | Aiton | Fabaceae | 8 |
| Crotalaria retusa | L. | Fabaceae | 8 |
| Cryptostegia grandiflora | Roxb. ex R.Br. | Apocynaceae | 8 |
| Cryptostegia madagascariensis | Bojer ex Decne. | Apocynaceae | 8 |
| Ctenium concinnum | Nees | Poaceae | 8 |
| Cucumis maderaspatanus | L. | Cucurbitaceae | 8 |
| Cuscuta planiflora | Ten. | Convolvulaceae | 8 |
| Cyanotis speciosa | (L.f.) Hassk. | Commelinaceae | 8 |
| Cyanthillium cinereum | (L.) H.Rob. | Asteraceae | 8 |
| Cyathula cylindrica | Moq. | Amaranthaceae | 8 |
| Cyathula uncinulata | (Schrad.) Schinz | Amaranthaceae | 8 |
| Cyclosorus interruptus | (Willd.) H.Itô | Thelypteridaceae | 8 |
| Cycnium tubulosum | (L.f.) Engl. | Orobanchaceae | 8 |
| Cymbopogon caesius | (Hook. & Arn.) Stapf | Poaceae | 8 |
| Cymbopogon nardus | (L.) Rendle | Poaceae | 8 |
| Cynanchum gerrardii | (Harv.) Liede | Apocynaceae | 8 |
| Cynanchum viminale | (L.) L. | Apocynaceae | 8 |
| Cynodon dactylon | (L.) Pers. | Poaceae | 8 |
| Cynoglossum lanceolatum | Forssk. | Boraginaceae | 8 |
| Cynorkis fastigiata | Thouars | Orchidaceae | 8 |
| Cynorkis lowiana | Rchb.f. | Orchidaceae | 8 |
| Cynorkis peyrotii | Bosser | Orchidaceae | 8 |
| Cynorkis ridleyi | T.Durand & Schinz | Orchidaceae | 8 |
| Cyperus alternifolius | L. | Cyperaceae | 8 |
| Cyperus aromaticus | (Ridl.) Mattf. & Kük. | Cyperaceae | 8 |
| Cyperus articulatus | L. | Cyperaceae | 8 |
| Cyperus blepharoleptos | Steud. | Cyperaceae | 8 |
| Cyperus brevifolius | (Rottb.) Hassk. | Cyperaceae | 8 |
| Cyperus compactus | Retz. | Cyperaceae | 8 |
| Cyperus compressus | L. | Cyperaceae | 8 |
| Cyperus conglomeratus | Rottb. | Cyperaceae | 8 |
| Cyperus crassipes | Vahl | Cyperaceae | 8 |
| Cyperus cuspidatus | Kunth | Cyperaceae | 8 |
| Cyperus cyperoides | (L.) Kuntze | Cyperaceae | 8 |
| Cyperus denudatus | L.f. | Cyperaceae | 8 |
| Cyperus difformis | L. | Cyperaceae | 8 |
| Cyperus distans | L.f. | Cyperaceae | 8 |
| Cyperus dives | Delile | Cyperaceae | 8 |
| Cyperus dubius | Rottb. | Cyperaceae | 8 |
| Cyperus esculentus | L. | Cyperaceae | 8 |
| Cyperus flavescens | L. | Cyperaceae | 8 |
| Cyperus flavidus | Retz. | Cyperaceae | 8 |
| Cyperus haspan | L. | Cyperaceae | 8 |
| Cyperus hyalinus | Vahl | Cyperaceae | 8 |
| Cyperus imbricatus | Retz. | Cyperaceae | 8 |
| Cyperus iria | L. | Cyperaceae | 8 |
| Cyperus javanicus | Houtt. | Cyperaceae | 8 |
| Cyperus laevigatus | L. | Cyperaceae | 8 |
| Cyperus lanceolatus | Poir. | Cyperaceae | 8 |
| Cyperus longus | L. | Cyperaceae | 8 |
| Cyperus metzii | (Hochst. ex Steud.) Mattf. & Kük. | Cyperaceae | 8 |
| Cyperus michelianus | (L.) Delile | Cyperaceae | 8 |
| Cyperus mindorensis | (Steud.) Huygh | Cyperaceae | 8 |
| Cyperus mundii | (Nees) Kunth | Cyperaceae | 8 |
| Cyperus nitidus | Lam. | Cyperaceae | 8 |
| Cyperus odoratus | L. | Cyperaceae | 8 |
| Cyperus papyrus | L. | Cyperaceae | 8 |
| Cyperus pedunculatus | (R.Br.) J.Kern | Cyperaceae | 8 |
| Cyperus polystachyos | Rottb. | Cyperaceae | 8 |
| Cyperus prolifer | Lam. | Cyperaceae | 8 |
| Cyperus pumilus | L. | Cyperaceae | 8 |
| Cyperus rotundus | L. | Cyperaceae | 8 |
| Cyperus rubicundus | Vahl | Cyperaceae | 8 |
| Cyperus sesquiflorus | (Torr.) Mattf. & Kük. | Cyperaceae | 8 |
| Cyperus sphacelatus | Rottb. | Cyperaceae | 8 |
| Cyperus squarrosus | L. | Cyperaceae | 8 |
| Cyperus subsquarrosus | (Muhl.) Bauters | Cyperaceae | 8 |
| Cyphochlaena madagascariensis | Hack. | Poaceae | 8 |
| Cyrtococcum deltoideum | (Hack.) A.Camus | Poaceae | 8 |
| Cystopteris fragilis | (L.) Bernh. | Cystopteridaceae | 8 |
| Dactyloctenium aegyptium | (L.) Willd. | Poaceae | 8 |
| Dactyloctenium australe | Steud. | Poaceae | 8 |
| Dalbergia pervillei | Vatke | Fabaceae | 8 |
| Dalechampia scandens | L. | Euphorbiaceae | 8 |
| Davallia repens | (L.f.) Kuhn | Davalliaceae | 8 |
| Decalobanthus peltatus | (L.) A.R.Simões & Staples | Convolvulaceae | 8 |
| Decaryochloa diadelpha | A.Camus | Poaceae | 8 |
| Delonix regia | (Bojer ex Hook.) Raf. | Fabaceae | 8 |
| Dendrolobium umbellatum | (L.) Benth. | Fabaceae | 8 |
| Deparia boryana | (Willd.) M.Kato | Athyriaceae | 8 |
| Derris trifoliata | Lour. | Fabaceae | 8 |
| Dianella ensifolia | (L.) Redouté | Asphodelaceae | 8 |
| Dichaetanthera cordifolia | Baker | Melastomataceae | 8 |
| Dichanthium annulatum | (Forssk.) Stapf | Poaceae | 8 |
| Dichrocephala integrifolia | (L.f.) Kuntze | Asteraceae | 8 |
| Dicliptera heterostegia | Nees | Acanthaceae | 8 |
| Dicliptera verticillata | (Forssk.) C.Chr. | Acanthaceae | 8 |
| Dicranopteris linearis | (Burm.f.) Underw. | Gleicheniaceae | 8 |
| Didierea madagascariensis | Baill. | Didiereaceae | 8 |
| Didierea trollii | Capuron & Rauh | Didiereaceae | 8 |
| Digitaria bicornis | (Lam.) Roem. & Schult. | Poaceae | 8 |
| Digitaria ciliaris | (Retz.) Koeler | Poaceae | 8 |
| Digitaria didactyla | Willd. | Poaceae | 8 |
| Digitaria setigera | Roth | Poaceae | 8 |
| Diheteropogon amplectens | (Nees) Clayton | Poaceae | 8 |
| Dilobeia thouarsii | Roem. & Schult. | Proteaceae | 8 |
| Dinebra retroflexa | (Vahl) Panz. | Poaceae | 8 |
| Dioscorea bulbifera | L. | Dioscoreaceae | 8 |
| Dioscorea sansibarensis | Pax | Dioscoreaceae | 8 |
| Diospyros tropophylla | (H.Perrier) G.E.Schatz & Lowry | Ebenaceae | 8 |
| Dipcadi brevifolium | (Thunb.) Fourc. | Asparagaceae | 8 |
| Diphasiastrum zanclophyllum | (J.H.Wilce) Holub | Lycopodiaceae | 8 |
| Diplachne fusca | (L.) P.Beauv. | Poaceae | 8 |
| Diplazium proliferum | (Lam.) Thouars | Athyriaceae | 8 |
| Disa brevicornis | (Lindl.) Bolus | Orchidaceae | 8 |
| Dodonaea viscosa | Jacq. | Sapindaceae | 8 |
| Donella lanceolata | (Blume) Aubrév. | Sapotaceae | 8 |
| Doryopteris concolor | (Langsd. & Fisch.) Kuhn & Decken | Pteridaceae | 8 |
| Dracaena reflexa | Lam. | Asparagaceae | 8 |
| Droguetia iners | (Forssk.) Schweinf. | Urticaceae | 8 |
| Drosera burkeana | Planch. | Droseraceae | 8 |
| Drosera indica | L. | Droseraceae | 8 |
| Drosera madagascariensis | DC. | Droseraceae | 8 |
| Drosera natalensis | Diels | Droseraceae | 8 |
| Dryopteris squamiseta | (Hook.) Kuntze | Dryopteridaceae | 8 |
| Dryopteris wallichiana | (Spreng.) Hyl. | Dryopteridaceae | 8 |
| Dumasia villosa | DC. | Fabaceae | 8 |
| Dypsis catatiana | (Baill.) Beentje & J.Dransf. | Arecaceae | 8 |
| Dypsis concinna | Baker | Arecaceae | 8 |
| Dypsis hildebrandtii | (Baill.) Becc. | Arecaceae | 8 |
| Echinochloa colona | (L.) Link | Poaceae | 8 |
| Echinochloa crus-galli | (L.) P.Beauv. | Poaceae | 8 |
| Echinochloa pyramidalis | (Lam.) Hitchc. & Chase | Poaceae | 8 |
| Elaphoglossum acrostichoides | (Hook. & Grev.) Schelpe | Dryopteridaceae | 8 |
| Elaphoglossum conforme | (Sw.) Schott | Dryopteridaceae | 8 |
| Eleocharis atropurpurea | (Retz.) J.Presl & C.Presl | Cyperaceae | 8 |
| Eleocharis dulcis | (Burm.f.) Trin. ex Hensch. | Cyperaceae | 8 |
| Eleocharis geniculata | (L.) Roem. & Schult. | Cyperaceae | 8 |
| Eleocharis limosa | (Schrad.) Schult. | Cyperaceae | 8 |
| Elephantopus scaber | L. | Asteraceae | 8 |
| Eleusine indica | (L.) Gaertn. | Poaceae | 8 |
| Emilia sonchifolia | (L.) DC. | Asteraceae | 8 |
| Enneapogon cenchroides | (Licht.) C.E.Hubb. | Poaceae | 8 |
| Entada rheedei | Spreng. | Fabaceae | 8 |
| Epilobium capense | Buchinger ex Krauss | Onagraceae | 8 |
| Equisetum ramosissimum | Desf. | Equisetaceae | 8 |
| Eragrostis atrovirens | (Desf.) Trin. ex Steud. | Poaceae | 8 |
| Eragrostis capensis | (Thunb.) Trin. | Poaceae | 8 |
| Eragrostis cilianensis | (All.) Vignolo ex Janch. | Poaceae | 8 |
| Eragrostis ciliaris | (L.) R.Br. | Poaceae | 8 |
| Eragrostis gummiflua | Nees | Poaceae | 8 |
| Eragrostis minor | Host | Poaceae | 8 |
| Eragrostis pilosa | (L.) P.Beauv. | Poaceae | 8 |
| Eragrostis racemosa | (Thunb.) Steud. | Poaceae | 8 |
| Eragrostis tenella | (L.) P.Beauv. ex Roem. & Schult. | Poaceae | 8 |
| Eragrostis tenuifolia | (A.Rich.) Hochst. ex Steud. | Poaceae | 8 |
| Erigeron trilobus | (Decne.) Boiss. | Asteraceae | 8 |
| Eriocaulon setaceum | L. | Eriocaulaceae | 8 |
| Eriocaulon sexangulare | L. | Eriocaulaceae | 8 |
| Eriochloa procera | (Retz.) C.E.Hubb. | Poaceae | 8 |
| Eriosema psoraleoides | (Lam.) G.Don | Fabaceae | 8 |
| Erythrina fusca | Lour. | Fabaceae | 8 |
| Erythrina variegata | L. | Fabaceae | 8 |
| Eulalia aurea | (Bory) Kunth | Poaceae | 8 |
| Eulophia cucullata | (Afzel. ex Sw.) Steud. | Orchidaceae | 8 |
| Eulophia hians | Spreng. | Orchidaceae | 8 |
| Eulophia maculata | (Lindl.) Rchb.f. | Orchidaceae | 8 |
| Euphorbia milii | Des Moul. | Euphorbiaceae | 8 |
| Euphorbia stenoclada | Baill. | Euphorbiaceae | 8 |
| Euphorbia tirucalli | L. | Euphorbiaceae | 8 |
| Euploca ovalifolia | (Forssk.) Diane & Hilger | Heliotropiaceae | 8 |
| Evolvulus alsinoides | (L.) L. | Convolvulaceae | 8 |
| Ficus lutea | Vahl | Moraceae | 8 |
| Ficus polita | Vahl | Moraceae | 8 |
| Ficus sycomorus | L. | Moraceae | 8 |
| Ficus trichopoda | Baker | Moraceae | 8 |
| Filicium decipiens | Thwaites | Sapindaceae | 8 |
| Fimbristylis bisumbellata | (Forssk.) Bubani | Cyperaceae | 8 |
| Fimbristylis cymosa | R.Br. | Cyperaceae | 8 |
| Fimbristylis dichotoma | (L.) Vahl | Cyperaceae | 8 |
| Fimbristylis ferruginea | (L.) Vahl | Cyperaceae | 8 |
| Fimbristylis littoralis | Gaudich. | Cyperaceae | 8 |
| Fimbristylis polytrichoides | (Retz.) R.Br. | Cyperaceae | 8 |
| Flacourtia indica | (Burm.f.) Merr. | Salicaceae | 8 |
| Flagellaria guineensis | Schumach. | Flagellariaceae | 8 |
| Flagellaria indica | L. | Flagellariaceae | 8 |
| Flueggea virosa | (Roxb. ex Willd.) Royle | Phyllanthaceae | 8 |
| Fuirena coerulescens | Steud. | Cyperaceae | 8 |
| Fuirena pubescens | (Poir.) Kunth | Cyperaceae | 8 |
| Fuirena umbellata | Rottb. | Cyperaceae | 8 |
| Galactia striata | (Jacq.) Urb. | Fabaceae | 8 |
| Geosiris aphylla | Baill. | Iridaceae | 8 |
| Gerbera piloselloides | (L.) Cass. | Asteraceae | 8 |
| Girardinia diversifolia | (Link) Friis | Urticaceae | 8 |
| Gisekia pharnaceoides | L. | Gisekiaceae | 8 |
| Gladiolus dalenii | Van Geel | Iridaceae | 8 |
| Gleichenia polypodioides | (L.) Sm. | Gleicheniaceae | 8 |
| Glinus oppositifolius | Aug.DC. | Molluginaceae | 8 |
| Gloriosa superba | L. | Colchicaceae | 8 |
| Grangea maderaspatana | (L.) Poir. | Asteraceae | 8 |
| Grona heterophylla | (Willd.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Grona triflora | (L.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Guettarda speciosa | L. | Rubiaceae | 8 |
| Guilandina bonduc | L. | Fabaceae | 8 |
| Gunnera perpensa | L. | Gunneraceae | 8 |
| Gymnanthemum coloratum | (Willd.) H.Rob. & B.Kahn | Asteraceae | 8 |
| Gymnema sylvestre | (Retz.) R.Br. ex Sm. | Apocynaceae | 8 |
| Gymnosphaera capensis | (L.f.) S.Y.Dong | Cyatheaceae | 8 |
| Gyrocarpus americanus | Jacq. | Hernandiaceae | 8 |
| Halophila ovalis | (R.Br.) Hook.f. | Hydrocharitaceae | 8 |
| Halophila stipulacea | (Forssk.) Asch. | Hydrocharitaceae | 8 |
| Haplopteris elongata | (Sw.) E.H.Crane | Pteridaceae | 8 |
| Harungana madagascariensis | Lam. ex Poir. | Hypericaceae | 8 |
| Helichrysum candolleanum | H.Buek | Asteraceae | 8 |
| Helichrysum foetidum | Moench | Asteraceae | 8 |
| Heliotropium arbainense | Fresen. | Heliotropiaceae | 8 |
| Heliotropium arboreum | (Blanco) Mabb. | Heliotropiaceae | 8 |
| Hemarthria altissima | (Poir.) Stapf & C.E.Hubb. | Poaceae | 8 |
| Heritiera littoralis | Aiton | Malvaceae | 8 |
| Hernandia nymphaeifolia | (C.Presl) Kubitzki | Hernandiaceae | 8 |
| Heteropogon contortus | (L.) P.Beauv. ex Roem. & Schult. | Poaceae | 8 |
| Heteropogon melanocarpus | (Elliott) Benth. | Poaceae | 8 |
| Hewittia malabarica | (L.) Suresh | Convolvulaceae | 8 |
| Hibiscus calyphyllus | Cav. | Malvaceae | 8 |
| Hibiscus lobatus | (Murray) Kuntze | Malvaceae | 8 |
| Hibiscus micranthus | L.f. | Malvaceae | 8 |
| Hibiscus sidiformis | Baill. | Malvaceae | 8 |
| Hickelia madagascariensis | A.Camus | Poaceae | 8 |
| Hickelia perrieri | (A.Camus) S.Dransf. | Poaceae | 8 |
| Histiopteris incisa | (Thunb.) J.Sm. | Dennstaedtiaceae | 8 |
| Hoslundia opposita | Vahl | Lamiaceae | 8 |
| Humbertochloa bambusiuscula | A.Camus & Stapf | Poaceae | 8 |
| Huperzia selago | (L.) Bernh. ex Schrank & Mart. | Lycopodiaceae | 8 |
| Hydnora esculenta | Jum. & H.Perrier | Aristolochiaceae | 8 |
| Hydrocotyle sibthorpioides | Lam. | Araliaceae | 8 |
| Hydrocotyle verticillata | Thunb. | Araliaceae | 8 |
| Hydrostachys imbricata | A.Juss. | Hydrostachyaceae | 8 |
| Hylodesmum repandum | (Vahl) H.Ohashi & R.R.Mill | Fabaceae | 8 |
| Hymenasplenium excisum | (C.Presl) S.Linds. | Aspleniaceae | 8 |
| Hymenophyllum capense | Schrad. | Hymenophyllaceae | 8 |
| Hymenophyllum peltatum | (Poir.) Desv. | Hymenophyllaceae | 8 |
| Hymenophyllum tunbrigense | (L.) Sm. | Hymenophyllaceae | 8 |
| Hyparrhenia hirta | (L.) Stapf | Poaceae | 8 |
| Hyparrhenia rufa | (Nees) Stapf | Poaceae | 8 |
| Hypericum lalandii | Choisy | Hypericaceae | 8 |
| Hyperthelia dissoluta | (Nees ex Steud.) Clayton | Poaceae | 8 |
| Hyphaene coriacea | Gaertn. | Arecaceae | 8 |
| Hypoestes forskaolii | (Vahl) R.Br. | Acanthaceae | 8 |
| Hypoestes phyllostachya | Baker | Acanthaceae | 8 |
| Hypolepis rugosula | (Labill.) J.Sm. | Dennstaedtiaceae | 8 |
| Hypolepis sparsisora | (Schrad.) Kuhn | Dennstaedtiaceae | 8 |
| Hypoxis angustifolia | Lam. | Hypoxidaceae | 8 |
| Ilex mitis | Radlk. | Aquifoliaceae | 8 |
| Imperata cylindrica | (L.) Raeusch. | Poaceae | 8 |
| Indigofera hendecaphylla | Jacq. | Fabaceae | 8 |
| Indigofera hirsuta | L. | Fabaceae | 8 |
| Indigofera spicata | Forssk. | Fabaceae | 8 |
| Intsia bijuga | (Colebr.) Kuntze | Fabaceae | 8 |
| Ipomoea aquatica | Forssk. | Convolvulaceae | 8 |
| Ipomoea bolusiana | Schinz | Convolvulaceae | 8 |
| Ipomoea cairica | (L.) Sweet | Convolvulaceae | 8 |
| Ipomoea coptica | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea eriocarpa | R.Br. | Convolvulaceae | 8 |
| Ipomoea littoralis | Blume | Convolvulaceae | 8 |
| Ipomoea mauritiana | Jacq. | Convolvulaceae | 8 |
| Ipomoea obscura | (L.) Ker Gawl. | Convolvulaceae | 8 |
| Ipomoea pes-caprae | (L.) R.Br. | Convolvulaceae | 8 |
| Ipomoea violacea | L. | Convolvulaceae | 8 |
| Isolepis costata | Hochst. ex A.Rich. | Cyperaceae | 8 |
| Isolepis fluitans | (L.) R.Br. | Cyperaceae | 8 |
| Isolepis sepulcralis | Steud. | Cyperaceae | 8 |
| Jacquemontia paniculata | (Burm.f.) Hallier f. | Convolvulaceae | 8 |
| Juncus bufonius | L. | Juncaceae | 8 |
| Juncus effusus | L. | Juncaceae | 8 |
| Juncus inflexus | L. | Juncaceae | 8 |
| Justicia rhodoptera | Baker | Acanthaceae | 8 |
| Kalanchoe beharensis | Drake | Crassulaceae | 8 |
| Kalanchoe daigremontiana | Raym.-Hamet & H.Perrier | Crassulaceae | 8 |
| Kalanchoe delagoensis | Eckl. & Zeyh. | Crassulaceae | 8 |
| Kalanchoe fedtschenkoi | Raym.-Hamet & H.Perrier | Crassulaceae | 8 |
| Kalanchoe gastonis-bonnieri | Raym.-Hamet & H.Perrier | Crassulaceae | 8 |
| Kalanchoe laetivirens | Desc. | Crassulaceae | 8 |
| Kalanchoe lanceolata | Pers. | Crassulaceae | 8 |
| Kalanchoe laxiflora | Baker | Crassulaceae | 8 |
| Kalanchoe pinnata | (Lam.) Pers. | Crassulaceae | 8 |
| Kalanchoe synsepala | Baker | Crassulaceae | 8 |
| Korthalsella japonica | (Thunb.) Engl. | Santalaceae | 8 |
| Korthalsella salicornioides | (A.Cunn.) Tiegh. | Santalaceae | 8 |
| Korthalsella taenioides | (Juss.) Endl. | Santalaceae | 8 |
| Lablab purpureus | (L.) Sweet | Fabaceae | 8 |
| Lactuca inermis | Forssk. | Asteraceae | 8 |
| Lagenaria sphaerica | E.Mey. | Cucurbitaceae | 8 |
| Laphangium luteoalbum | (L.) Tzvelev | Asteraceae | 8 |
| Laportea aestuans | (L.) Chew | Urticaceae | 8 |
| Lasiopogon glomerulatus | (Harv.) Hilliard | Asteraceae | 8 |
| Lasiorhachis perrieri | (A.Camus) Bosser | Poaceae | 8 |
| Launaea intybacea | (Jacq.) Beauverd | Asteraceae | 8 |
| Launaea sarmentosa | (Willd.) Kuntze | Asteraceae | 8 |
| Laurembergia repens | P.J.Bergius | Haloragaceae | 8 |
| Lecomtella madagascariensis | A.Camus | Poaceae | 8 |
| Leea guineensis | G.Don | Vitaceae | 8 |
| Leersia hexandra | Sw. | Poaceae | 8 |
| Lemna aequinoctialis | Welw. | Araceae | 8 |
| Leonotis nepetifolia | (L.) R.Br. | Lamiaceae | 8 |
| Lepironia articulata | (Retz.) Domin | Cyperaceae | 8 |
| Lepisorus excavatus | (Bory ex Willd.) Ching | Polypodiaceae | 8 |
| Lepisorus schraderi | Ching | Polypodiaceae | 8 |
| Lepturus repens | (G.Forst.) R.Br. | Poaceae | 8 |
| Leucas martinicensis | (Jacq.) R.Br. | Lamiaceae | 8 |
| Lindernia parviflora | (Roxb.) Haines | Linderniaceae | 8 |
| Lindernia rotundifolia | (L.) Alston | Linderniaceae | 8 |
| Lindsaea ensifolia | Sw. | Lindsaeaceae | 8 |
| Lindsaea javanensis | Blume | Lindsaeaceae | 8 |
| Lomaridium attenuatum | (Sw.) Gasper & V.A.O.Dittrich | Blechnaceae | 8 |
| Lomariocycas tabularis | (Thunb.) Gasper & A.R.Sm. | Blechnaceae | 8 |
| Lophostemon suaveolens | (Sol. ex Gaertn.) Peter G.Wilson & J.T.Waterh. | Myrtaceae | 8 |
| Loudetia simplex | (Nees) C.E.Hubb. | Poaceae | 8 |
| Ludwigia adscendens | (L.) H.Hara | Onagraceae | 8 |
| Ludwigia leptocarpa | (Nutt.) H.Hara | Onagraceae | 8 |
| Ludwigia octovalvis | (Jacq.) P.H.Raven | Onagraceae | 8 |
| Ludwigia perennis | L. | Onagraceae | 8 |
| Lumnitzera racemosa | Willd. | Combretaceae | 8 |
| Lycopodium clavatum | L. | Lycopodiaceae | 8 |
| Maclura africana | (Bureau) Corner | Moraceae | 8 |
| Macrothelypteris torresiana | (Gaudich.) Ching | Thelypteridaceae | 8 |
| Macrotyloma axillare | (E.Mey.) Verdc. | Fabaceae | 8 |
| Maesa lanceolata | Forssk. | Primulaceae | 8 |
| Maltebrunia leersioides | Kunth | Poaceae | 8 |
| Marojejya darianii | J.Dransf. & N.W.Uhl | Arecaceae | 8 |
| Marsilea minuta | L. | Marsileaceae | 8 |
| Megathyrsus maximus | (Jacq.) B.K.Simon & S.W.L.Jacobs | Poaceae | 8 |
| Melinis minutiflora | P.Beauv. | Poaceae | 8 |
| Melinis nerviglumis | (Franch.) Zizka | Poaceae | 8 |
| Melinis repens | (Willd.) Zizka | Poaceae | 8 |
| Melochia corchorifolia | L. | Malvaceae | 8 |
| Merremia hederacea | (Burm.f.) Hallier f. | Convolvulaceae | 8 |
| Microcoelia exilis | Lindl. | Orchidaceae | 8 |
| Microglossa pyrifolia | (Lam.) Kuntze | Asteraceae | 8 |
| Microsorum punctatum | Copel. | Polypodiaceae | 8 |
| Microsorum scolopendria | (Burm.f.) Copel. | Polypodiaceae | 8 |
| Monsonia angustifolia | E.Mey. | Geraniaceae | 8 |
| Mucuna gigantea | (Willd.) DC. | Fabaceae | 8 |
| Mucuna pruriens | (L.) DC. | Fabaceae | 8 |
| Mundulea sericea | (Willd.) A.Chev. | Fabaceae | 8 |
| Murdannia simplex | (Vahl) Brenan | Commelinaceae | 8 |
| Mussaenda arcuata | Poir. | Rubiaceae | 8 |
| Myrica serrata | Lam. | Myricaceae | 8 |
| Myrsine melanophloeos | (L.) R.Br. ex Sweet | Primulaceae | 8 |
| Mystroxylon aethiopicum | (Thunb.) Loes. | Celastraceae | 8 |
| Najas horrida | A.Braun ex Magnus | Hydrocharitaceae | 8 |
| Najas marina | L. | Hydrocharitaceae | 8 |
| Nastus perrieri | A.Camus | Poaceae | 8 |
| Nelsonia canescens | (Lam.) Spreng. | Acanthaceae | 8 |
| Neocussonia bojeri | (Seem.) Hutch. | Araliaceae | 8 |
| Nepenthes madagascariensis | Poir. | Nepenthaceae | 8 |
| Nephrolepis abrupta | (Bory) Mett. | Nephrolepidaceae | 8 |
| Nephrolepis biserrata | (Sw.) Schott | Nephrolepidaceae | 8 |
| Neptunia oleracea | Lour. | Fabaceae | 8 |
| Nertera granadensis | (Mutis ex L.f.) Druce | Rubiaceae | 8 |
| Nervilia simplex | (Thouars) Schltr. | Orchidaceae | 8 |
| Nidorella resedifolia | DC. | Asteraceae | 8 |
| Noronhia emarginata | (Lam.) Poir. | Oleaceae | 8 |
| Nuxia oppositifolia | (Hochst.) Benth. | Stilbaceae | 8 |
| Nymphaea lotus | L. | Nymphaeaceae | 8 |
| Nymphaea nouchali | Burm.f. | Nymphaeaceae | 8 |
| Nymphoides thunbergiana | (Griseb.) Kuntze | Menyanthaceae | 8 |
| Ochna inermis | (Forssk.) Schweinf. | Ochnaceae | 8 |
| Ocimum americanum | L. | Lamiaceae | 8 |
| Ocimum gratissimum | L. | Lamiaceae | 8 |
| Ocimum obovatum | E.Mey. ex Benth. | Lamiaceae | 8 |
| Oeonia rosea | Ridl. | Orchidaceae | 8 |
| Olax dissitiflora | Oliv. | Olacaceae | 8 |
| Oldeania humbertii | (A.Camus) D.Z.Li, Y.X.Zhang & Haev. | Poaceae | 8 |
| Oldeania ibityensis | (A.Camus) D.Z.Li, Y.X.Zhang & Haev. | Poaceae | 8 |
| Oldeania itremoensis | D.Z.Li, Y.X.Zhang & Haev. | Poaceae | 8 |
| Oldenlandia affinis | (Roem. & Schult.) DC. | Rubiaceae | 8 |
| Oldenlandia corymbosa | L. | Rubiaceae | 8 |
| Oldenlandia herbacea | (L.) Roxb. | Rubiaceae | 8 |
| Olea capensis | L. | Oleaceae | 8 |
| Oleandra distenta | Kunze | Oleandraceae | 8 |
| Operculina turpethum | (L.) Silva Manso | Convolvulaceae | 8 |
| Ophioglossum vulgatum | L. | Ophioglossaceae | 8 |
| Oplismenus burmanni | (Retz.) P.Beauv. | Poaceae | 8 |
| Oplismenus compositus | (L.) P.Beauv. | Poaceae | 8 |
| Oplismenus hirtellus | (L.) P.Beauv. | Poaceae | 8 |
| Oplismenus undulatifolius | Roem. & Schult. | Poaceae | 8 |
| Orthosiphon thymiflorus | (Roth) Sleesen | Lamiaceae | 8 |
| Osmunda regalis | L. | Osmundaceae | 8 |
| Ottelia ulvifolia | (Planch.) Walp. | Hydrocharitaceae | 8 |
| Pachypodium geayi | Costantin & Bois | Apocynaceae | 8 |
| Pachypodium rosulatum | Baker | Apocynaceae | 8 |
| Palhinhaea cernua | (L.) Vasc. & Franco | Lycopodiaceae | 8 |
| Panicum brevifolium | L. | Poaceae | 8 |
| Panicum cupressifolium | A.Camus | Poaceae | 8 |
| Panicum repens | L. | Poaceae | 8 |
| Parietaria debilis | G.Forst. | Urticaceae | 8 |
| Parinari curatellifolia | Planch. ex Benth. | Chrysobalanaceae | 8 |
| Paullinia pinnata | L. | Sapindaceae | 8 |
| Pauridiantha paucinervis | (Hiern) Bremek. | Rubiaceae | 8 |
| Pedalium murex | L. | Pedaliaceae | 8 |
| Pentodon pentandrus | (Schumach.) Vatke | Rubiaceae | 8 |
| Peperomia bangroana | C.DC. | Piperaceae | 8 |
| Peperomia leptostachya | Hook. & Arn. | Piperaceae | 8 |
| Peperomia pellucida | (L.) Kunth | Piperaceae | 8 |
| Peperomia retusa | A.Dietr. | Piperaceae | 8 |
| Perotis patens | Gand. | Poaceae | 8 |
| Persicaria madagascariensis | (Meisn.) S.Ortiz & Paiva | Polygonaceae | 8 |
| Persicaria nepalensis | (Meisn.) Miyabe | Polygonaceae | 8 |
| Persicaria senegalensis | (Meisn.) Soják | Polygonaceae | 8 |
| Persicaria strigosa | (R.Br.) H.Gross | Polygonaceae | 8 |
| Phalaris arundinacea | L. | Poaceae | 8 |
| Phaulopsis imbricata | (Forssk.) Sweet | Acanthaceae | 8 |
| Phlegmariurus gnidioides | (L.f.) A.R.Field & Bostock | Lycopodiaceae | 8 |
| Phlegmariurus phlegmaria | (L.) Holub | Lycopodiaceae | 8 |
| Phlegmariurus squarrosus | (G.Forst.) Á.Löve & D.Löve | Lycopodiaceae | 8 |
| Phoenix reclinata | Jacq. | Arecaceae | 8 |
| Phragmites mauritianus | Kunth | Poaceae | 8 |
| Phyla nodiflora | (L.) Greene | Verbenaceae | 8 |
| Phyllanthus maderaspatensis | L. | Phyllanthaceae | 8 |
| Phyllanthus tenellus | Roxb. | Phyllanthaceae | 8 |
| Piper capense | L.f. | Piperaceae | 8 |
| Pisonia aculeata | L. | Nyctaginaceae | 8 |
| Pisonia grandis | R.Br. | Nyctaginaceae | 8 |
| Pistia stratiotes | L. | Araceae | 8 |
| Pittosporum viridiflorum | Sims | Pittosporaceae | 8 |
| Pleopeltis macrocarpa | (Bory ex Willd.) Kaulf. | Polypodiaceae | 8 |
| Plumbago zeylanica | L. | Plumbaginaceae | 8 |
| Podocarpus madagascariensis | Baker | Podocarpaceae | 8 |
| Pogonarthria squarrosa | (Licht.) Pilg. | Poaceae | 8 |
| Pogonatherum crinitum | (Thunb.) Kunth | Poaceae | 8 |
| Polycarpaea corymbosa | (L.) Lam. | Caryophyllaceae | 8 |
| Polygonum plebeium | R.Br. | Polygonaceae | 8 |
| Polystachya concreta | (Jacq.) Garay & H.R.Sweet | Orchidaceae | 8 |
| Polystachya cultriformis | (Thouars) Lindl. ex Spreng. | Orchidaceae | 8 |
| Polystichum luctuosum | (Kunze) T.Moore | Dryopteridaceae | 8 |
| Pontederia natans | P.Beauv. | Pontederiaceae | 8 |
| Potamogeton lucens | L. | Potamogetonaceae | 8 |
| Potamogeton nodosus | Poir. | Potamogetonaceae | 8 |
| Potamogeton perfoliatus | L. | Potamogetonaceae | 8 |
| Potamogeton schweinfurthii | A.Benn. | Potamogetonaceae | 8 |
| Pothos scandens | L. | Araceae | 8 |
| Premna serratifolia | L. | Lamiaceae | 8 |
| Priva adhaerens | (Forssk.) Chiov. | Verbenaceae | 8 |
| Pseudarthria hookeri | Wight & Arn. | Fabaceae | 8 |
| Pseudognaphalium oligandrum | (DC.) Hilliard & B.L.Burtt | Asteraceae | 8 |
| Psilotum nudum | (L.) P.Beauv. | Psilotaceae | 8 |
| Psychotria parkeri | Baker | Rubiaceae | 8 |
| Pteridium aquilinum | (L.) Kuhn | Dennstaedtiaceae | 8 |
| Pteris cretica | L. | Pteridaceae | 8 |
| Pteris dentata | Forssk. | Pteridaceae | 8 |
| Pteris tripartita | Sw. | Pteridaceae | 8 |
| Pteris vittata | L. | Pteridaceae | 8 |
| Pupalia lappacea | (L.) Juss. | Amaranthaceae | 8 |
| Ranunculus multifidus | Forssk. | Ranunculaceae | 8 |
| Ravenala madagascariensis | Sonn. | Strelitziaceae | 8 |
| Ravenea madagascariensis | Becc. | Arecaceae | 8 |
| Ravenea rivularis | Jum. & H.Perrier | Arecaceae | 8 |
| Remusatia vivipara | (Roxb.) Schott | Araceae | 8 |
| Rhamphicarpa fistulosa | (Hochst.) Benth. | Orobanchaceae | 8 |
| Rhipsalis baccifera | (Sol. ex J.S.Muell.) Stearn | Cactaceae | 8 |
| Rhynchosia caribaea | (Jacq.) DC. | Fabaceae | 8 |
| Rhynchosia minima | (L.) DC. | Fabaceae | 8 |
| Rhynchospora brownii | Roem. & Schult. | Cyperaceae | 8 |
| Rhynchospora corymbosa | (L.) Britton | Cyperaceae | 8 |
| Rhynchospora holoschoenoides | (Rich.) Herter | Cyperaceae | 8 |
| Rotheca microphylla | (Blume) Callm. & Phillipson | Lamiaceae | 8 |
| Rottboellia cochinchinensis | (Lour.) Clayton | Poaceae | 8 |
| Rubus pinnatus | Willd. | Rosaceae | 8 |
| Ruellia patula | Jacq. | Acanthaceae | 8 |
| Ruellia prostrata | Poir. | Acanthaceae | 8 |
| Rumohra adiantiformis | (G.Forst.) Ching | Dryopteridaceae | 8 |
| Ruppia maritima | L. | Ruppiaceae | 8 |
| Sabdariffa diversifolia | (Jacq.) McLay & R.L.Barrett | Malvaceae | 8 |
| Sanicula elata | Buch.-Ham. ex D.Don | Apiaceae | 8 |
| Santaloides minor | (Gaertn.) G.Schellenb. | Connaraceae | 8 |
| Sartidia isaloensis | Voronts., Razanats. & Besnard | Poaceae | 8 |
| Satranala decussilvae | Beentje & J.Dransf. | Arecaceae | 8 |
| Sauvagesia erecta | L. | Ochnaceae | 8 |
| Scaevola plumieri | (L.) Vahl | Goodeniaceae | 8 |
| Schizachyrium sanguineum | (Retz.) Alston | Poaceae | 8 |
| Schizaea pectinata | (L.) Sw. | Schizaeaceae | 8 |
| Schoenoplectiella brachyceras | (Hochst. ex A.Rich.) J.R.Starr & Jim.Mejías | Cyperaceae | 8 |
| Schoenoplectiella juncoides | (Roxb.) Lye | Cyperaceae | 8 |
| Schoenoplectiella mucronata | (L.) J.Jung & H.K.Choi | Cyperaceae | 8 |
| Schoenoplectus subulatus | (Vahl) Lye | Cyperaceae | 8 |
| Scleria distans | Poir. | Cyperaceae | 8 |
| Scleria foliosa | Hochst. ex A.Rich. | Cyperaceae | 8 |
| Scleria gaertneri | Raddi | Cyperaceae | 8 |
| Sclerocarya birrea | (A.Rich.) Hochst. | Anacardiaceae | 8 |
| Scutia myrtina | Kurz | Rhamnaceae | 8 |
| Scyphiphora hydrophylacea | C.F.Gaertn. | Rubiaceae | 8 |
| Senecio madagascariensis | Poir. | Asteraceae | 8 |
| Senegalia kraussiana | (Meisn. ex Benth.) Kyal. & Boatwr. | Fabaceae | 8 |
| Senna petersiana | (Bolle) Lock | Fabaceae | 8 |
| Sesbania bispinosa | (Jacq.) W.Wight | Fabaceae | 8 |
| Sesuvium portulacastrum | (L.) L. | Aizoaceae | 8 |
| Setaria barbata | (Lam.) Kunth | Poaceae | 8 |
| Setaria geminata | (Forssk.) Veldkamp | Poaceae | 8 |
| Setaria madecassa | A.Camus | Poaceae | 8 |
| Setaria megaphylla | (Steud.) T.Durand & Schinz | Poaceae | 8 |
| Setaria pumila | (Poir.) Roem. & Schult. | Poaceae | 8 |
| Setaria sagittifolia | (A.Rich.) Walp. | Poaceae | 8 |
| Setaria sphacelata | (Schumach.) Stapf & C.E.Hubb. ex Moss | Poaceae | 8 |
| Setaria vatkeana | K.Schum. | Poaceae | 8 |
| Setaria verticillata | (L.) P.Beauv. | Poaceae | 8 |
| Sida cordifolia | L. | Malvaceae | 8 |
| Sida spinosa | L. | Malvaceae | 8 |
| Sigesbeckia orientalis | L. | Asteraceae | 8 |
| Sirochloa parvifolia | (Munro) S.Dransf. | Poaceae | 8 |
| Smilax anceps | Willd. | Smilacaceae | 8 |
| Smithia sensitiva | Aiton | Fabaceae | 8 |
| Sokinochloa chapelieri | (Munro) S.Dransf. | Poaceae | 8 |
| Sokinochloa viguieri | (A.Camus) S.Dransf. | Poaceae | 8 |
| Solanum melongena | L. | Solanaceae | 8 |
| Solanum scabrum | Mill. | Solanaceae | 8 |
| Sonneratia alba | Sm. | Lythraceae | 8 |
| Sophora tomentosa | L. | Fabaceae | 8 |
| Sorghum bicolor | (L.) Moench | Poaceae | 8 |
| Sparrmannia ricinocarpa | (Eckl. & Zeyh.) Kuntze | Malvaceae | 8 |
| Spermacoce articularis | L.f. | Rubiaceae | 8 |
| Sphenoclea zeylanica | Gaertn. | Sphenocleaceae | 8 |
| Stenochlaena tenuifolia | (Desv.) T.Moore | Blechnaceae | 8 |
| Stenotaphrum dimidiatum | (L.) Brongn. | Poaceae | 8 |
| Sticherus flagellaris | (Bory ex Willd.) Ching | Gleicheniaceae | 8 |
| Streptocarpus hilsenbergii | R.Br. | Gesneriaceae | 8 |
| Streptocarpus ibityensis | Humbert | Gesneriaceae | 8 |
| Striga asiatica | (L.) Kuntze | Orobanchaceae | 8 |
| Strychnos decussata | (Pappe) Gilg | Loganiaceae | 8 |
| Strychnos madagascariensis | Poir. | Loganiaceae | 8 |
| Strychnos spinosa | Lam. | Loganiaceae | 8 |
| Strychnos usambarensis | Gilg ex Engl. | Loganiaceae | 8 |
| Stuckenia pectinata | (L.) Börner | Potamogetonaceae | 8 |
| Stylosanthes fruticosa | (Retz.) Alston | Fabaceae | 8 |
| Suregada zanzibariensis | Baill. | Euphorbiaceae | 8 |
| Suriana maritima | L. | Surianaceae | 8 |
| Syzygium zeylanicum | (L.) DC. | Myrtaceae | 8 |
| Tacca leontopetaloides | (L.) Kuntze | Dioscoreaceae | 8 |
| Tamarindus indica | L. | Fabaceae | 8 |
| Tectaria gemmifera | (Fée) Alston | Tectariaceae | 8 |
| Tephrosia noctiflora | Bojer ex Baker | Fabaceae | 8 |
| Tephrosia pumila | (Lam.) Pers. | Fabaceae | 8 |
| Tephrosia purpurea | (L.) Pers. | Fabaceae | 8 |
| Tephrosia villosa | (L.) Pers. | Fabaceae | 8 |
| Teramnus labialis | (L.f.) Spreng. | Fabaceae | 8 |
| Terminalia catappa | L. | Combretaceae | 8 |
| Terminalia mantaly | H.Perrier | Combretaceae | 8 |
| Tetrapogon roxburghiana | (Schult.) P.M.Peterson | Poaceae | 8 |
| Thelypteris confluens | (Thunb.) C.V.Morton | Thelypteridaceae | 8 |
| Themeda triandra | Forssk. | Poaceae | 8 |
| Thespesia populnea | Sol. ex Corrêa | Malvaceae | 8 |
| Thilachium africanum | Lour. | Capparaceae | 8 |
| Thuarea involuta | (G.Forst.) R.Br. ex Sm. | Poaceae | 8 |
| Thunbergia alata | Bojer ex Sims | Acanthaceae | 8 |
| Torenia crustacea | (L.) Cham. & Schltdl. | Linderniaceae | 8 |
| Trachypogon spicatus | (L.f.) Kuntze | Poaceae | 8 |
| Tragus berteronianus | Schult. | Poaceae | 8 |
| Trema orientale | (L.) Blume | Cannabaceae | 8 |
| Tribulus cistoides | L. | Zygophyllaceae | 8 |
| Trichodesma zeylanicum | (Burm.f.) R.Br. | Boraginaceae | 8 |
| Tricholaena monachne | (Trin.) Stapf & C.E.Hubb. | Poaceae | 8 |
| Tristachya humbertii | A.Camus | Poaceae | 8 |
| Tristemma mauritianum | J.F.Gmel. | Melastomataceae | 8 |
| Triumfetta annua | L. | Malvaceae | 8 |
| Triumfetta pentandra | A.Rich. | Malvaceae | 8 |
| Triumfetta pilosa | Roth | Malvaceae | 8 |
| Typhonodorum lindleyanum | Schott | Araceae | 8 |
| Uapaca bojeri | Baill. | Phyllanthaceae | 8 |
| Urena lobata | L. | Malvaceae | 8 |
| Urochloa brizantha | (A.Rich.) R.D.Webster | Poaceae | 8 |
| Urochloa deflexa | (Schumach.) H.Scholz | Poaceae | 8 |
| Urochloa panicoides | P.Beauv. | Poaceae | 8 |
| Urochloa trichopus | (Hochst.) Stapf | Poaceae | 8 |
| Utricularia arenaria | A.DC. | Lentibulariaceae | 8 |
| Utricularia benjaminiana | Oliv. | Lentibulariaceae | 8 |
| Utricularia bisquamata | Schrank | Lentibulariaceae | 8 |
| Utricularia caerulea | L. | Lentibulariaceae | 8 |
| Utricularia foliosa | L. | Lentibulariaceae | 8 |
| Utricularia foveolata | Edgew. | Lentibulariaceae | 8 |
| Utricularia gibba | L. | Lentibulariaceae | 8 |
| Utricularia livida | E.Mey. | Lentibulariaceae | 8 |
| Utricularia prehensilis | E.Mey. | Lentibulariaceae | 8 |
| Utricularia reflexa | Oliv. | Lentibulariaceae | 8 |
| Utricularia stellaris | L.f. | Lentibulariaceae | 8 |
| Utricularia subulata | L. | Lentibulariaceae | 8 |
| Utricularia welwitschii | Oliv. | Lentibulariaceae | 8 |
| Valiha diffusa | S.Dransf. | Poaceae | 8 |
| Vandellia diffusa | L. | Linderniaceae | 8 |
| Vangueria madagascariensis | J.F.Gmel. | Rubiaceae | 8 |
| Vigna luteola | (Jacq.) Benth. | Fabaceae | 8 |
| Vigna marina | (Burm.) Merr. | Fabaceae | 8 |
| Vigna vexillata | (L.) A.Rich. | Fabaceae | 8 |
| Vitex negundo | L. | Lamiaceae | 8 |
| Vitex trifolia | L. | Lamiaceae | 8 |
| Voacanga thouarsii | Roem. & Schult. | Apocynaceae | 8 |
| Vonitra fibrosa | (C.H.Wright) Becc. | Arecaceae | 8 |
| Wahlenbergia undulata | A.DC. | Campanulaceae | 8 |
| Wolffia arrhiza | (L.) Horkel ex Wimm. | Araceae | 8 |
| Woodfordia fruticosa | (L.) Kurz | Lythraceae | 8 |
| Xenostegia tridentata | (L.) D.F.Austin & Staples | Convolvulaceae | 8 |
| Ximenia afra | Sond. | Olacaceae | 8 |
| Xylocarpus granatum | J.Koenig | Meliaceae | 8 |
| Xylocarpus moluccensis | (Lam.) M.Roem. | Meliaceae | 8 |
| Xylocarpus rumphii | (Kostel.) Mabb. | Meliaceae | 8 |
| Xyris capensis | Thunb. | Xyridaceae | 8 |
| Yvesia madagascariensis | A.Camus | Poaceae | 8 |
| Zannichellia palustris | L. | Potamogetonaceae | 8 |
| Zanthoxylum asiaticum | (L.) Appelhans, Groppo & J.Wen | Rutaceae | 8 |
| Ziziphus mucronata | Willd. | Rhamnaceae | 8 |
| Zornia capensis | Pers. | Fabaceae | 8 |
| Abutilon grandiflorum | G.Don | Malvaceae | 7 |
| Acampe pachyglossa | Rchb.f. | Orchidaceae | 7 |
| Alloteropsis cimicina | (L.) Stapf | Poaceae | 7 |
| Aloe deltoideodonta | Baker | Asphodelaceae | 7 |
| Aloe macroclada | Baker | Asphodelaceae | 7 |
| Asplenium dregeanum | Kunze | Aspleniaceae | 7 |
| Bauhinia madagascariensis | Desv. | Fabaceae | 7 |
| Carpha capitellata | (Nees) Boeckeler | Cyperaceae | 7 |
| Christella hispidula | (Decne.) Holttum | Thelypteridaceae | 7 |
| Chrysalidocarpus onilahensis | Jum. & H.Perrier | Arecaceae | 7 |
| Chrysanthellum indicum | DC. | Asteraceae | 7 |
| Coleus lanceolatus | (Bojer ex Benth.) A.J.Paton & Phillipson | Lamiaceae | 7 |
| Cynorkis flexuosa | Lindl. | Orchidaceae | 7 |
| Cyperus hemisphaericus | Boeckeler | Cyperaceae | 7 |
| Cyperus hortensis | (Salzm. ex Steud.) Dorr | Cyperaceae | 7 |
| Cyperus intactus | Vahl | Cyperaceae | 7 |
| Cyperus psammophilus | Cherm. | Cyperaceae | 7 |
| Digitaria longiflora | (Retz.) Pers. | Poaceae | 7 |
| Dypsis confusa | Beentje | Arecaceae | 7 |
| Floscopa glomerata | (Willd. ex Schult. & Schult.f.) Hassk. | Commelinaceae | 7 |
| Hibiscus physaloides | Guill. & Perr. | Malvaceae | 7 |
| Hyparrhenia schimperi | (Hochst. ex A.Rich.) Andersson ex Stapf | Poaceae | 7 |
| Hypoestes lasioclada | Nees | Acanthaceae | 7 |
| Ipomoea rubens | Choisy | Convolvulaceae | 7 |
| Isoglossa gracillima | Baker | Acanthaceae | 7 |
| Ixora masoalensis | De Block | Rubiaceae | 7 |
| Laportea oligoloba | (Baker) Friis | Urticaceae | 7 |
| Lepidagathis scariosa | Nees | Acanthaceae | 7 |
| Menisorus unitus | (Kunze) S.E.Fawc. & A.R.Sm. | Thelypteridaceae | 7 |
| Mimusops coriacea | (A.DC.) Miq. | Sapotaceae | 7 |
| Nastus elongatus | A.Camus | Poaceae | 7 |
| Olyra latifolia | L. | Poaceae | 7 |
| Panicum ibitense | A.Camus | Poaceae | 7 |
| Platycerium stemaria | (Beauv.) Desv. | Polypodiaceae | 7 |
| Ptisana fraxinea | (Sm.) Murdock | Marattiaceae | 7 |
| Sabicea diversifolia | Pers. | Rubiaceae | 7 |
| Samadera indica | Gaertn. | Simaroubaceae | 7 |
| Sobennikoffia humbertiana | H.Perrier | Orchidaceae | 7 |
| Solanum truncicola | Bitter | Solanaceae | 7 |
| Sonchus dregeanus | DC. | Asteraceae | 7 |
| Sphaeranthus africanus | L. | Asteraceae | 7 |
| Thalassodendron ciliatum | (Forssk.) Hartog | Cymodoceaceae | 7 |
| Adenia firingalavensis | (Drake ex Jum.) Harms | Passifloraceae | 6 |
| Aeschynomene elaphroxylon | (Guill. & Perr.) Taub. | Fabaceae | 6 |
| Albizia gummifera | (J.F.Gmel.) C.A.Sm. | Fabaceae | 6 |
| Aloe calcairophila | Reynolds | Asphodelaceae | 6 |
| Alsophila borbonica | (Desv.) R.M.Tryon | Cyatheaceae | 6 |
| Angraecum conchoglossum | Schltr. | Orchidaceae | 6 |
| Anisostachya tenella | (Nees) Lindau | Acanthaceae | 6 |
| Aristida rufescens | Steud. | Poaceae | 6 |
| Asplenium sandersonii | Hook. | Aspleniaceae | 6 |
| Asteropeia densiflora | Baker | Asteropeiaceae | 6 |
| Biophytum umbraculum | Welw. | Oxalidaceae | 6 |
| Brillantaisia pubescens | T.Anderson ex Oliv. | Acanthaceae | 6 |
| Cardamine africana | L. | Brassicaceae | 6 |
| Cenchrus pedicellatus | (Trin.) Morrone | Poaceae | 6 |
| Convolvulus aschersonii | Engl. | Convolvulaceae | 6 |
| Cynanchum macrolobum | Jum. & H.Perrier | Apocynaceae | 6 |
| Cynorkis cinnabarina | (Rolfe) Hermans & P.J.Cribb | Orchidaceae | 6 |
| Cyperus amabilis | Vahl | Cyperaceae | 6 |
| Disa afra | Bolus | Orchidaceae | 6 |
| Disperis anthoceros | Rchb.f. | Orchidaceae | 6 |
| Dracaena xiphophylla | Baker | Asparagaceae | 6 |
| Dypsis metallica | Rakotoarin. & J.Dransf. | Arecaceae | 6 |
| Eremomastax speciosa | (Hochst.) Cufod. | Acanthaceae | 6 |
| Faurea forficuliflora | Baker | Proteaceae | 6 |
| Ficus grevei | Baill. | Moraceae | 6 |
| Fimbristylis squarrosa | Vahl | Cyperaceae | 6 |
| Gaertnera arenaria | Baker | Rubiaceae | 6 |
| Gambeya boiviniana | Pierre | Sapotaceae | 6 |
| Ipomoea pileata | Roxb. | Convolvulaceae | 6 |
| Ischnolepis graminifolia | (Costantin & Gallaud) Klack. | Apocynaceae | 6 |
| Jacquemontia ovalifolia | (Choisy) Hallier f. | Convolvulaceae | 6 |
| Jumellea stenophylla | (Frapp. ex Cordem.) Schltr. | Orchidaceae | 6 |
| Kalanchoe grandidieri | Baill. | Crassulaceae | 6 |
| Kalanchoe orgyalis | Baker | Crassulaceae | 6 |
| Kalanchoe porphyrocalyx | (Baker) Baill. | Crassulaceae | 6 |
| Leptaspis zeylanica | Nees ex Steud. | Poaceae | 6 |
| Leptolaena pauciflora | Baker | Sarcolaenaceae | 6 |
| Machaerina iridifolia | (Bory) T.Koyama | Cyperaceae | 6 |
| Melochia melissifolia | Benth. | Malvaceae | 6 |
| Microchloa kunthii | Desv. | Poaceae | 6 |
| Microcoelia gilpiniae | (Rchb.f. & S.Moore) Summerh. | Orchidaceae | 6 |
| Neostapfiella perrieri | A.Camus | Poaceae | 6 |
| Neyraudia arundinacea | (L.) Henrard | Poaceae | 6 |
| Orania trispatha | (J.Dransf. & N.W.Uhl) Beentje & J.Dransf. | Arecaceae | 6 |
| Pachypodium lamerei | Drake | Apocynaceae | 6 |
| Panicum luridum | Hack. | Poaceae | 6 |
| Panicum spergulifolium | A.Camus | Poaceae | 6 |
| Panicum subhystrix | A.Camus | Poaceae | 6 |
| Paspalum scrobiculatum | L. | Poaceae | 6 |
| Pentatropis nivalis | (J.F.Gmel.) D.V.Field & J.R.I.Wood | Apocynaceae | 6 |
| Podorungia gesnerioides | Onjalal. & I.Darbysh. | Acanthaceae | 6 |
| Prunus africana | (Hook.f.) Kalkman | Rosaceae | 6 |
| Raphia farinifera | (Gaertn.) Hyl. | Arecaceae | 6 |
| Sarcolaena oblongifolia | Gerard | Sarcolaenaceae | 6 |
| Satyrium trinerve | Lindl. | Orchidaceae | 6 |
| Setaria flavida | (Retz.) Veldkamp | Poaceae | 6 |
| Sloanea rhodantha | (Baker) Capuron | Elaeocarpaceae | 6 |
| Solanum anguivi | Lam. | Solanaceae | 6 |
| Strongylodon madagascariensis | Baker | Fabaceae | 6 |
| Thespesia populneoides | (Roxb.) Kostel. | Malvaceae | 6 |
| Adenia perrieri | Claverie | Passifloraceae | 5 |
| Aeranthes ramosa | Rolfe | Orchidaceae | 5 |
| Aframomum angustifolium | (Sonn.) K.Schum. | Zingiberaceae | 5 |
| Alluaudia ascendens | (Drake) Drake | Didiereaceae | 5 |
| Aloe parvula | A.Berger | Asphodelaceae | 5 |
| Amauropelta bergiana | (Schltdl.) Holttum | Thelypteridaceae | 5 |
| Ammannia crassicaulis | Guill. & Perr. | Lythraceae | 5 |
| Androstachys johnsonii | Prain | Picrodendraceae | 5 |
| Anemia nudiuscula | (J.P.Roux) Christenh. | Anemiaceae | 5 |
| Angraecum mauritianum | (Poir.) Frapp. | Orchidaceae | 5 |
| Angraecum rutenbergianum | Kraenzl. | Orchidaceae | 5 |
| Angraecum sororium | Schltr. | Orchidaceae | 5 |
| Antherotoma naudinii | Hook.f. | Melastomataceae | 5 |
| Arthropteris orientalis | (J.F.Gmel.) Posth. | Arthropteridaceae | 5 |
| Baphia madagascariensis | C.H.Stirt. & Du Puy | Fabaceae | 5 |
| Basilicum polystachyon | (L.) Moench | Lamiaceae | 5 |
| Brownleea parviflora | Harv. ex Lindl. | Orchidaceae | 5 |
| Bulbophyllum coriophorum | Ridl. | Orchidaceae | 5 |
| Cressa cretica | L. | Convolvulaceae | 5 |
| Crotalaria uncinella | Lam. | Fabaceae | 5 |
| Cuscuta australis | R.Br. | Convolvulaceae | 5 |
| Cuscuta chinensis | Lam. | Convolvulaceae | 5 |
| Cyperus hystricoides | (B.Nord.) Bauters | Cyperaceae | 5 |
| Cyperus pectinatus | Vahl | Cyperaceae | 5 |
| Cyperus zollingeri | Steud. | Cyperaceae | 5 |
| Cyphostemma natalitium | (Szyszył.) J.J.M.van der Merwe | Vitaceae | 5 |
| Dactyloctenium giganteum | B.S.Fisher & Schweick. | Poaceae | 5 |
| Dypsis thermarum | J.Dransf. | Arecaceae | 5 |
| Echinochloa stagnina | (Retz.) P.Beauv. | Poaceae | 5 |
| Emilia humifusa | DC. | Asteraceae | 5 |
| Ficus menabeensis | H.Perrier | Moraceae | 5 |
| Givotia madagascariensis | Baill. | Euphorbiaceae | 5 |
| Halodule uninervis | (Forssk.) Boiss. | Cymodoceaceae | 5 |
| Hibiscus platanifolius | Sweet | Malvaceae | 5 |
| Hildebrandtia valo | Deroin | Convolvulaceae | 5 |
| Hyparrhenia cymbaria | (L.) Stapf | Poaceae | 5 |
| Isachne humbertiana | A.Camus | Poaceae | 5 |
| Isachne mauritiana | Kunth | Poaceae | 5 |
| Lygodium lanceolatum | Desv. | Lygodiaceae | 5 |
| Macaranga cuspidata | Boiv. ex Baill. | Euphorbiaceae | 5 |
| Marojejya insignis | Humbert | Arecaceae | 5 |
| Marsilea macrocarpa | C.Presl | Marsileaceae | 5 |
| Masoala madagascariensis | Jum. | Arecaceae | 5 |
| Merxmuellera ambalavaoensis | (A.Camus) Conert | Poaceae | 5 |
| Micrococca mercurialis | Benth. | Euphorbiaceae | 5 |
| Micronychia tsiramiramy | H.Perrier | Anacardiaceae | 5 |
| Mostuea brunonis | Didr. | Gelsemiaceae | 5 |
| Oplismenus flavicomus | Mez | Poaceae | 5 |
| Oryza longistaminata | A.Chev. & Roehr. | Poaceae | 5 |
| Pachypodium densiflorum | Baker | Apocynaceae | 5 |
| Paramollugo nudicaulis | (Lam.) Thulin | Molluginaceae | 5 |
| Perotis arenacea | (Judz.) P.M.Peterson | Poaceae | 5 |
| Perrierodendron boinense | (H.Perrier) Cavaco | Sarcolaenaceae | 5 |
| Podocarpus capuronii | de Laub. | Podocarpaceae | 5 |
| Pseudechinolaena polystachya | (Kunth) Stapf | Poaceae | 5 |
| Psiadia salviifolia | Baker | Asteraceae | 5 |
| Psilotrichum scleranthum | Thwaites | Amaranthaceae | 5 |
| Psychotria bullulata | Bremek. | Rubiaceae | 5 |
| Puffia gerrardii | (Baker) Razafim. & B.Bremer | Rubiaceae | 5 |
| Ravenala hladikorum | Haev., Razanats., Jeannoda & P.Blanc | Strelitziaceae | 5 |
| Rhytachne rottboellioides | Desv. | Poaceae | 5 |
| Salacia leptoclada | Tul. | Celastraceae | 5 |
| Saldinia longistipulata | Bremek. | Rubiaceae | 5 |
| Sorindeia madagascariensis | DC. | Anacardiaceae | 5 |
| Stenotaphrum oostachyum | Baker | Poaceae | 5 |
| Stictocardia beraviensis | (Vatke) Hallier f. | Convolvulaceae | 5 |
| Strychnos myrtoides | Gilg & Busse | Loganiaceae | 5 |
| Tephrosia phylloxylon | (R.Vig.) Du Puy & Labat | Fabaceae | 5 |
| Thuarea perrieri | A.Camus | Poaceae | 5 |
| Tina isaloensis | Drake | Sapindaceae | 5 |
| Vonitra perrieri | (Jum.) Eiserhardt & W.J.Baker | Arecaceae | 5 |
| Xylopia sericolampra | Diels | Annonaceae | 5 |
| Aerangis cryptodon | (Rchb.f.) Schltr. | Orchidaceae | 4 |
| Aloe acutissima | H.Perrier | Asphodelaceae | 4 |
| Aloe conifera | H.Perrier | Asphodelaceae | 4 |
| Aloe descoingsii | Reynolds | Asphodelaceae | 4 |
| Aloe isaloensis | H.Perrier | Asphodelaceae | 4 |
| Aloe newtonii | J.-B.Castillon | Asphodelaceae | 4 |
| Aloe rosea | (H.Perrier) L.E.Newton & G.D.Rowley | Asphodelaceae | 4 |
| Aloe viguieri | H.Perrier | Asphodelaceae | 4 |
| Angraecum compactum | Schltr. | Orchidaceae | 4 |
| Angraecum rhynchoglossum | Schltr. | Orchidaceae | 4 |
| Angraecum sesquipedale | Thouars | Orchidaceae | 4 |
| Artabotrys madagascariensis | Miq. | Annonaceae | 4 |
| Asteropeia labatii | G.E.Schatz, Lowry & A.-E.Wolf | Asteropeiaceae | 4 |
| Bakerella grisea | (Scott Elliot) Balle | Loranthaceae | 4 |
| Beccariophoenix madagascariensis | Jum. & H.Perrier | Arecaceae | 4 |
| Blotiella pubescens | (Kaulf.) R.M.Tryon | Dennstaedtiaceae | 4 |
| Bothriochloa insculpta | (Hochst. ex A.Rich.) A.Camus | Poaceae | 4 |
| Brachylaena merana | Humbert | Asteraceae | 4 |
| Brachypodium flexum | Nees | Poaceae | 4 |
| Brexiella ilicifolia | H.Perrier | Celastraceae | 4 |
| Brillantaisia madagascariensis | T.Anderson ex Lindau | Acanthaceae | 4 |
| Bulbophyllum francoisii | H.Perrier | Orchidaceae | 4 |
| Bussea perrieri | R.Vig. | Fabaceae | 4 |
| Calanthe humblotii | (Rchb.f.) M.W.Chase, Christenh. & Schuit. | Orchidaceae | 4 |
| Calanthe madagascariensis | Rolfe ex Hook.f. | Orchidaceae | 4 |
| Carex proxima | Cherm. | Cyperaceae | 4 |
| Chapelieria madagascariensis | A.Rich. ex DC. | Rubiaceae | 4 |
| Chassalia acutiflora | Bremek. | Rubiaceae | 4 |
| Chrysalidocarpus decipiens | Becc. | Arecaceae | 4 |
| Coffea buxifolia | A.Chev. | Rubiaceae | 4 |
| Coffea richardii | J.-F.Leroy | Rubiaceae | 4 |
| Commiphora simplicifolia | H.Perrier | Burseraceae | 4 |
| Corymborkis corymbis | Thouars | Orchidaceae | 4 |
| Crepidomanes bipunctatum | (Poir.Lam.) Copel. | Hymenophyllaceae | 4 |
| Crossandra albolineata | Benoist | Acanthaceae | 4 |
| Crossandra grandidieri | (Baill.) Benoist | Acanthaceae | 4 |
| Cyathula achyranthoides | (Kunth) Moq. | Amaranthaceae | 4 |
| Cynorkis uniflora | Lindl. | Orchidaceae | 4 |
| Cyperus molliglumis | Cherm. | Cyperaceae | 4 |
| Cyperus nigricans | Steud. | Cyperaceae | 4 |
| Cyperus rufostriatus | C.B.Clarke ex Cherm. | Cyperaceae | 4 |
| Cyperus sciaphilus | Cherm. | Cyperaceae | 4 |
| Cyphostemma laza | Desc. | Vitaceae | 4 |
| Dalbergia monticola | Bosser & R.Rabev | Fabaceae | 4 |
| Decaryella madagascariensis | A.Camus | Poaceae | 4 |
| Digera muricata | (L.) Mart. | Amaranthaceae | 4 |
| Diospyros squamosa | Bojer ex A.DC. | Ebenaceae | 4 |
| Dodonaea madagascariensis | Radlk. | Sapindaceae | 4 |
| Dypsis nodifera | Mart. | Arecaceae | 4 |
| Epilobium salignum | Hausskn. | Onagraceae | 4 |
| Eragrostis gangetica | (Roxb.) Steud. | Poaceae | 4 |
| Eragrostis plana | Nees | Poaceae | 4 |
| Euphorbia didiereoides | Denis ex Leandri | Euphorbiaceae | 4 |
| Euphorbia fianarantsoae | Ursch & Leandri | Euphorbiaceae | 4 |
| Grevea madagascariensis | Baill. | Montiniaceae | 4 |
| Grona adscendens | (Sw.) H.Ohashi & K.Ohashi | Fabaceae | 4 |
| Habenaria ambositrana | Schltr. | Orchidaceae | 4 |
| Helichrysum candollei | (Bojer ex DC.) R.Vig. & Humbert | Asteraceae | 4 |
| Heliotropium bacciferum | Forssk. | Heliotropiaceae | 4 |
| Hydrostachys plumosa | A.Juss. ex Tul. | Hydrostachyaceae | 4 |
| Hyperacanthus talangninia | (DC.) Rakotonas. & A.P.Davis | Rubiaceae | 4 |
| Indigofera dionaeifolia | (S.Moore) Schrire | Fabaceae | 4 |
| Ipomoea verbascoidea | Choisy | Convolvulaceae | 4 |
| Justicia scandens | Vahl | Acanthaceae | 4 |
| Koehneria madagascariensis | (Baker) S.A.Graham, Tobe & Baas | Lythraceae | 4 |
| Lilaeopsis mauritiana | G.Petersen & Affolter | Apiaceae | 4 |
| Linzia glabra | Steetz | Asteraceae | 4 |
| Loeseneriella africana | (Willd.) R.Wilczek | Celastraceae | 4 |
| Loeseneriella crenata | (Klotzsch) R.Wilczek | Celastraceae | 4 |
| Mascarenhasia lisianthiflora | A.DC. | Apocynaceae | 4 |
| Medinilla sedifolia | Jum. & H.Perrier | Melastomataceae | 4 |
| Megastachya mucronata | (Poir.) P.Beauv. | Poaceae | 4 |
| Melicope magnifolia | (Baill.) T.G.Hartley | Rutaceae | 4 |
| Microgramma mauritiana | (Willd.) Tardieu | Polypodiaceae | 4 |
| Mimusops obtusifolia | Lam. | Sapotaceae | 4 |
| Nuxia involucrata | Aug.DC. | Stilbaceae | 4 |
| Oberonia disticha | (Lam.) Schltr. | Orchidaceae | 4 |
| Obetia radula | (Baker) Baker ex B.D.Jacks. | Urticaceae | 4 |
| Odontosoria melleri | (Hook.) C.Chr. | Lindsaeaceae | 4 |
| Otiophora pauciflora | Baker | Rubiaceae | 4 |
| Pachypodium brevicaule | Baker | Apocynaceae | 4 |
| Pachypodium rutenbergianum | Vatke | Apocynaceae | 4 |
| Panicum mitopus | K.Schum. | Poaceae | 4 |
| Paracarphalea pervilleana | (Baill.) Razafim., Ferm, B.Bremer & Kårehed | Rubiaceae | 4 |
| Pellaeopsis pilosa | (Poir.) Windham | Pteridaceae | 4 |
| Phylloctenium bernieri | Baill. | Bignoniaceae | 4 |
| Pleurostylia opposita | (Wall.) Alston | Celastraceae | 4 |
| Pseudoparis cauliflora | H.Perrier | Commelinaceae | 4 |
| Ravenea beentjei | Rakotoarin. & J.Dransf. | Arecaceae | 4 |
| Rhopalocarpus similis | Hemsl. | Sphaerosepalaceae | 4 |
| Rubus malagassus | Focke | Rosaceae | 4 |
| Sacciolepis curvata | (L.) Chase | Poaceae | 4 |
| Sacciolepis viguieri | A.Camus | Poaceae | 4 |
| Sagittaria guayanensis | Kunth | Alismataceae | 4 |
| Saldinia proboscidea | Hochr. | Rubiaceae | 4 |
| Salvia leucodermis | Baker | Lamiaceae | 4 |
| Schoenoplectiella articulata | (L.) Lye | Cyperaceae | 4 |
| Schoenoplectus litoralis | (Schrad.) Palla | Cyperaceae | 4 |
| Sobennikoffia poissoniana | H.Perrier | Orchidaceae | 4 |
| Solanum croatii | D'Arcy & R.C.Keating | Solanaceae | 4 |
| Styppeiochloa hitchcockii | (A.Camus) Cope | Poaceae | 4 |
| Tecticornia indica | (Willd.) K.A.Sheph. & Paul G.Wilson | Chenopodiaceae | 4 |
| Uncarina leandrii | Humbert | Pedaliaceae | 4 |
| Vitex pervillei | Baker | Lamiaceae | 4 |
| Vittaria isoetifolia | Bory | Pteridaceae | 4 |
| Wahlenbergia madagascariensis | A.DC. | Campanulaceae | 4 |
| Xerophyta dasylirioides | Baker | Velloziaceae | 4 |
| Actinoschoenus aphyllus | (Vahl) Larridon | Cyperaceae | 3 |
| Aerangis ellisii | (B.S.Williams) Schltr. | Orchidaceae | 3 |
| Aerangis fastuosa | (Rchb.f.) Schltr. | Orchidaceae | 3 |
| Aerangis pallidiflora | H.Perrier | Orchidaceae | 3 |
| Afrocayratia triternata | (Baker) J.Wen & Rabarij. | Vitaceae | 3 |
| Aloe cipolinicola | (H.Perrier) J.-B.Castillon & J.-P.Castillon | Asphodelaceae | 3 |
| Aloe compressa | H.Perrier | Asphodelaceae | 3 |
| Aloe droseroides | Lavranos & T.A.McCoy | Asphodelaceae | 3 |
| Aloe inexpectata | Lavranos & T.A.McCoy | Asphodelaceae | 3 |
| Aloe vaombe | Decorse & Poiss. | Asphodelaceae | 3 |
| Ammannia radicans | (Guill. & Perr.) S.A.Graham & Gandhi | Lythraceae | 3 |
| Amphorocalyx rupestris | H.Perrier | Melastomataceae | 3 |
| Angiopteris madagascariensis | de Vriese | Marattiaceae | 3 |
| Angraecum melanostictum | Schltr. | Orchidaceae | 3 |
| Argomuellera gigantea | (Baill.) Pax & K.Hoffm. | Euphorbiaceae | 3 |
| Arthropteris monocarpa | (Cordem.) C.Chr. | Arthropteridaceae | 3 |
| Asplenium lividum | Mett.; Kuhn | Aspleniaceae | 3 |
| Benthamia glaberrima | (Ridl.) H.Perrier | Orchidaceae | 3 |
| Benthamia rostrata | Schltr. | Orchidaceae | 3 |
| Blumea afra | (DC.) O.Hoffm. | Asteraceae | 3 |
| Boehmeria virgata | (G.Forst.) Guill. | Urticaceae | 3 |
| Bonamia spectabilis | (Choisy) Hallier f. | Convolvulaceae | 3 |
| Brachylaena ramiflora | (DC.) Humbert | Asteraceae | 3 |
| Buddleja indica | Lam. | Scrophulariaceae | 3 |
| Bulbophyllum baronii | Ridl. | Orchidaceae | 3 |
| Bulbophyllum humblotii | Rolfe | Orchidaceae | 3 |
| Bulbophyllum sulfureum | Schltr. | Orchidaceae | 3 |
| Capitanopsis oreophila | (Guillaumin) Mwany., A.J.Paton & Culham | Lamiaceae | 3 |
| Catharanthus lanceus | (Bojer ex A.DC.) Pichon | Apocynaceae | 3 |
| Cenchrus biflorus | Roxb. | Poaceae | 3 |
| Ceratopteris thalictroides | (L.) Brongn. | Pteridaceae | 3 |
| Chadsia versicolor | Bojer | Fabaceae | 3 |
| Chrysalidocarpus hovomantsina | (Beentje) Eiserhardt & W.J.Baker | Arecaceae | 3 |
| Chrysalidocarpus ifanadianae | (Beentje) Eiserhardt & W.J.Baker | Arecaceae | 3 |
| Cissus ambongensis | Desc. | Vitaceae | 3 |
| Clematis mauritiana | Lam. | Ranunculaceae | 3 |
| Clerodendrum bosseri | Capuron | Lamiaceae | 3 |
| Coelachne africana | Pilg. | Poaceae | 3 |
| Colea fusca | H.Perrier | Bignoniaceae | 3 |
| Colvillea racemosa | Bojer | Fabaceae | 3 |
| Combretum meridionalis | (H.Perrier) Jongkind | Combretaceae | 3 |
| Corallocarpus bainesii | (Hook.f.) A.Meeuse | Cucurbitaceae | 3 |
| Craspedorhachis africana | Benth. | Poaceae | 3 |
| Craterostigma nummulariifolium | (D.Don) Eb.Fisch., Schäferh. & Kai Müll. | Linderniaceae | 3 |
| Croton lasiopyrus | Baill. | Euphorbiaceae | 3 |
| Cycas thouarsii | R.Br. | Cycadaceae | 3 |
| Cynorkis lilacina | Ridl. | Orchidaceae | 3 |
| Cynorkis purpurea | (Thouars) Kraenzl. | Orchidaceae | 3 |
| Cyperus corymbosus | Rottb. | Cyperaceae | 3 |
| Cyperus erectus | (Schumach.) Mattf. & Kük. | Cyperaceae | 3 |
| Cyperus niveus | Retz. | Cyperaceae | 3 |
| Cyperus pseudokyllingioides | Kük. | Cyperaceae | 3 |
| Cyperus ruwenzoriensis | (C.B.Clarke) Huygh | Cyperaceae | 3 |
| Cyrtococcum multinode | (Lam.) Clayton | Poaceae | 3 |
| Cytinus baronii | Baker f. | Cytinaceae | 3 |
| Dalbergia bemarivensis | Phillipson & N.Wilding | Fabaceae | 3 |
| Dichapetalum bojeri | (Tul.) Engl. | Dichapetalaceae | 3 |
| Dichrostachys akataensis | Villiers | Fabaceae | 3 |
| Dichrostachys tenuifolia | Benth. | Fabaceae | 3 |
| Diectomis fastigiata | (Sw.) P.Beauv. | Poaceae | 3 |
| Digitaria ankaratrensis | A.Camus | Poaceae | 3 |
| Dioscorea maciba | Jum. & H.Perrier | Dioscoreaceae | 3 |
| Dioscorea seriflora | Jum. & H.Perrier | Dioscoreaceae | 3 |
| Disa incarnata | Lindl. | Orchidaceae | 3 |
| Distephanus eriophyllus | (Drake) H.Rob. & B.Kahn | Asteraceae | 3 |
| Dracaena canaliculata | (Carrière) Byng & Christenh. | Asparagaceae | 3 |
| Dypsis dracaenoides | Rakotoarin. & J.Dransf. | Arecaceae | 3 |
| Dypsis gronophyllum | Rakotoarin. & J.Dransf. | Arecaceae | 3 |
| Dypsis louvelii | Jum. & H.Perrier | Arecaceae | 3 |
| Endostemon tenuiflorus | (Benth.) M.R.Ashby | Lamiaceae | 3 |
| Enhalus acoroides | (L.f.) Royle | Hydrocharitaceae | 3 |
| Entada chrysostachys | (Benth.) Drake | Fabaceae | 3 |
| Erica spinifera | (H.Perrier) Dorr & E.G.H.Oliv. | Ericaceae | 3 |
| Erythroxylum sphaeranthum | H.Perrier | Erythroxylaceae | 3 |
| Eulophia beravensis | Rchb.f. | Orchidaceae | 3 |
| Eulophia falcigera | (Rchb.f.) M.W.Chase, Kumar & Schuit. | Orchidaceae | 3 |
| Eulophia macra | Ridl. | Orchidaceae | 3 |
| Eulophia roempleriana | (Rchb.f.) M.W.Chase & Schuit. | Orchidaceae | 3 |
| Euphorbia plagiantha | Drake | Euphorbiaceae | 3 |
| Euphorbia subapoda | Baill. | Euphorbiaceae | 3 |
| Fimbristylis quinquangularis | (Vahl) Kunth | Cyperaceae | 3 |
| Flagenium triflorum | (Vahl) Baill. | Rubiaceae | 3 |
| Gaertnera macrostipula | Baker | Rubiaceae | 3 |
| Gaertnera pauciflora | Malcomber & A.P.Davis | Rubiaceae | 3 |
| Grangeria porosa | Boivin ex Baill. | Chrysobalanaceae | 3 |
| Habenaria hilsenbergii | Ridl. | Orchidaceae | 3 |
| Habenaria incarnata | (Lyall ex Lindl.) Rchb.f. | Orchidaceae | 3 |
| Haplopteris ensiformis | (Sw.) E.H.Crane | Pteridaceae | 3 |
| Hymenophyllum sibthorpioides | (Bory) Mett. | Hymenophyllaceae | 3 |
| Hypoestes brachiata | Baker | Acanthaceae | 3 |
| Hypoestes caudata | Benoist | Acanthaceae | 3 |
| Hypoestes multispicata | Benoist | Acanthaceae | 3 |
| Indigofera oblongifolia | Forssk. | Fabaceae | 3 |
| Ipomoea wightii | (Wall.) Choisy | Convolvulaceae | 3 |
| Jasminum streptopus | E.Mey. | Oleaceae | 3 |
| Kalanchoe bouvetii | Raym.-Hamet & H.Perrier | Crassulaceae | 3 |
| Kalanchoe miniata | Hils. & Bojer ex Tul. | Crassulaceae | 3 |
| Kalanchoe prolifera | (Bowie ex Hook.) Raym.-Hamet | Crassulaceae | 3 |
| Kalanchoe pubescens | Baker | Crassulaceae | 3 |
| Kalanchoe tomentosa | Baker | Crassulaceae | 3 |
| Launaea rarifolia | (Oliv. & Hiern) Boulos | Asteraceae | 3 |
| Lemurella pallidiflora | Bosser | Orchidaceae | 3 |
| Maerua filiformis | Drake | Capparaceae | 3 |
| Mammea zeereae | P.F.Stevens | Calophyllaceae | 3 |
| Melanophylla modestei | G.E.Schatz, Lowry & A.-E.Wolf | Torricelliaceae | 3 |
| Mimulopsis lyalliana | (Nees) Baron | Acanthaceae | 3 |
| Monotes madagascariensis | Humbert | Dipterocarpaceae | 3 |
| Nastus aristatus | A.Camus | Poaceae | 3 |
| Nematostylis anthophylla | (A.Rich. ex DC.) Baill. | Rubiaceae | 3 |
| Nephrolepis undulata | (Afzel. ex Sw.) J.Sm. | Nephrolepidaceae | 3 |
| Noronhia boinensis | H.Perrier | Oleaceae | 3 |
| Oldeania marojejyensis | (A.Camus) D.Z.Li, Y.X.Zhang & Haev. | Poaceae | 3 |
| Operculicarya pachypus | Eggli | Anacardiaceae | 3 |
| Ophioglossum reticulatum | L. | Ophioglossaceae | 3 |
| Pachypodium mikea | Lüthy | Apocynaceae | 3 |
| Pandanus spinifer | Warb | Pandanaceae | 3 |
| Pandanus tsaratananensis | Martelli | Pandanaceae | 3 |
| Panicum pleianthum | Peter | Poaceae | 3 |
| Panicum voeltzkowii | Mez | Poaceae | 3 |
| Pentameris andringitrensis | (A.Camus) Galley & H.P.Linder | Poaceae | 3 |
| Peponium grandidieri | Keraudren | Cucurbitaceae | 3 |
| Philgamia hibbertioides | Baill. | Malpighiaceae | 3 |
| Plectranthus vestitus | Benth. | Lamiaceae | 3 |
| Pluchea bojeri | (DC.) Humbert | Asteraceae | 3 |
| Polystichum ammifolium | C.Chr. | Dryopteridaceae | 3 |
| Psychotria imerinensis | (Bremek.) A.P.Davis & Govaerts | Rubiaceae | 3 |
| Ravenea hypoleuca | Rakotoarin. & J.Dransf. | Arecaceae | 3 |
| Ravenea robustior | Jum. & H.Perrier | Arecaceae | 3 |
| Razafimandimbisonia minor | (Baill.) Kainul. & B.Bremer | Rubiaceae | 3 |
| Ruellia geayi | (Benoist) E.A.Tripp | Acanthaceae | 3 |
| Salvadora angustifolia | Turrill | Salvadoraceae | 3 |
| Sarcolaena multiflora | Thouars | Sarcolaenaceae | 3 |
| Schizolaena tampoketsana | Lowry, G.E.Schatz, J.-F.Leroy & A.-E.Wolf | Sarcolaenaceae | 3 |
| Scleria lithosperma | (L.) Sw. | Cyperaceae | 3 |
| Sclerocroton melanostictus | (Baill.) Kruijt & Roebers | Euphorbiaceae | 3 |
| Sclerodactylon macrostachyum | (Benth.) A.Camus | Poaceae | 3 |
| Senecio quinquelobus | (Thunb.) DC. | Asteraceae | 3 |
| Setaria humbertiana | A.Camus | Poaceae | 3 |
| Solanum myoxotrichum | Baker | Solanaceae | 3 |
| Sporobolus centrifugus | (Trin.) Nees | Poaceae | 3 |
| Sporobolus perrieri | A.Camus | Poaceae | 3 |
| Stenotaphrum unilaterale | Baker | Poaceae | 3 |
| Streptocarpus brevistamineus | Humbert | Gesneriaceae | 3 |
| Striga hermonthica | (Delile) Benth. | Orobanchaceae | 3 |
| Strongylodon craveniae | R.Baron & Baker | Fabaceae | 3 |
| Strophocaulon unitum | (L.) S.E.Fawc. & A.R.Sm. | Thelypteridaceae | 3 |
| Strychnos henningsii | Gilg | Loganiaceae | 3 |
| Tachiadenus carinatus | Griseb. | Gentianaceae | 3 |
| Treculia africana | Decne. ex Trécul | Moraceae | 3 |
| Tricalysia analamazaotrensis | Homolle ex Ranariv. & De Block | Rubiaceae | 3 |
| Trichopus sempervirens | (H.Perrier) Caddick & Wilkin | Dioscoreaceae | 3 |
| Vanilla coursii | H.Perrier | Orchidaceae | 3 |
| Vepris arenicola | H.Perrier | Rutaceae | 3 |
| Viguierella madagascariensis | A.Camus | Poaceae | 3 |
| Vitex perrieri | Danguy | Lamiaceae | 3 |
| Voanioala gerardii | J.Dransf. | Arecaceae | 3 |
| Zostera capensis | Setch. | Zosteraceae | 3 |