| Abildgaardia ovata | (Burm.f.) Kral | Cyperaceae | 8 |
| Abrus precatorius | L. | Fabaceae | 8 |
| Abutilon ramosum | (Cav.) Guill. & Perr. | Malvaceae | 8 |
| Acalypha petiolaris | Krauss | Euphorbiaceae | 8 |
| Achyranthes aspera | L. | Amaranthaceae | 8 |
| Adansonia digitata | L. | Malvaceae | 8 |
| Adenostemma afrum | DC. | Asteraceae | 8 |
| Adiantum philippense | L. | Pteridaceae | 8 |
| Aeschynomene indica | L. | Fabaceae | 8 |
| Albizia adianthifolia | (Schumach.) W.Wight | Fabaceae | 8 |
| Albuca abyssinica | Jacq. | Asparagaceae | 8 |
| Alchornea cordifolia | (Schumach.) Müll.Arg. | Euphorbiaceae | 8 |
| Alectra sessiliflora | (Vahl) Kuntze | Orobanchaceae | 8 |
| Allophylus africanus | P.Beauv. | Sapindaceae | 8 |
| Alysicarpus glumaceus | (Vahl) DC. | Fabaceae | 8 |
| Alysicarpus ovalifolius | (Schumach.) J.Léonard | Fabaceae | 8 |
| Alysicarpus vaginalis | (L.) DC. | Fabaceae | 8 |
| Ammannia auriculata | Willd. | Lythraceae | 8 |
| Ammannia baccifera | L. | Lythraceae | 8 |
| Ammocharis tinneana | (Kotschy & Peyr.) Milne-Redh. & Schweick. | Amaryllidaceae | 8 |
| Amorphophallus aphyllus | (Hook.) Hutch. | Araceae | 8 |
| Ampelopteris prolifera | (Retz.) Copel. | Thelypteridaceae | 8 |
| Andira inermis | (W.Wright) Kunth ex DC. | Fabaceae | 8 |
| Aneilema aequinoctiale | (P.Beauv.) Loudon | Commelinaceae | 8 |
| Annona senegalensis | Pers. | Annonaceae | 8 |
| Ansellia africana | Lindl. | Orchidaceae | 8 |
| Antiaris toxicaria | (J.F.Gmel.) Lesch. | Moraceae | 8 |
| Antidesma venosum | E.Mey. ex Tul. | Phyllanthaceae | 8 |
| Argyrella canescens | (Graham) Harv. | Melastomataceae | 8 |
| Arthropteris palisotii | (Desv.) Alston | Arthropteridaceae | 8 |
| Arundinella nepalensis | Trin. | Poaceae | 8 |
| Asparagus africanus | Lam. | Asparagaceae | 8 |
| Asparagus laricinus | Burch. | Asparagaceae | 8 |
| Asparagus racemosus | Willd. | Asparagaceae | 8 |
| Aspidoglossum interruptum | (E.Mey.) Bullock | Apocynaceae | 8 |
| Asplenium aethiopicum | (Burm.f.) Becherer | Aspleniaceae | 8 |
| Asystasia intrusa | (Forssk.) Blume | Acanthaceae | 8 |
| Baccharoides adoensis | (Sch.Bip. ex Walp.) H.Rob. | Asteraceae | 8 |
| Barleria oenotheroides | Dum.Cours. | Acanthaceae | 8 |
| Bergia ammannioides | Roxb. | Elatinaceae | 8 |
| Blepharis maderaspatensis | (L.) B.Heyne ex Roth | Acanthaceae | 8 |
| Blumea axillaris | DC. | Asteraceae | 8 |
| Blumea viscosa | (Mill.) V.M.Badillo | Asteraceae | 8 |
| Bobgunnia madagascariensis | (Desv.) J.H.Kirkbr. & Wiersema | Fabaceae | 8 |
| Boerhavia diffusa | L. | Nyctaginaceae | 8 |
| Boerhavia plumbaginea | Cav. | Nyctaginaceae | 8 |
| Boerhavia repens | L. | Nyctaginaceae | 8 |
| Borassus aethiopum | Mart. | Arecaceae | 8 |
| Brachycorythis pubescens | Harv. | Orchidaceae | 8 |
| Breonadia salicina | (Vahl) Hepper & J.R.I.Wood | Rubiaceae | 8 |
| Bridelia micrantha | (Hochst.) Baill. | Phyllanthaceae | 8 |
| Brillantaisia lamium | (Nees) Benth. | Acanthaceae | 8 |
| Brillantaisia owariensis | P.Beauv. | Acanthaceae | 8 |
| Buchnera hispida | Buch.-Ham. ex D.Don | Orobanchaceae | 8 |
| Bulbostylis barbata | (Rottb.) C.B.Clarke | Cyperaceae | 8 |
| Burkea africana | Hook. | Fabaceae | 8 |
| Calpurnia aurea | (Aiton) Benth. | Fabaceae | 8 |
| Calyptrochilum christyanum | (Rchb.f.) Summerh. | Orchidaceae | 8 |
| Canscora diffusa | (Vahl) R.Br. ex Roem. & Schult. | Gentianaceae | 8 |
| Capparis tomentosa | Lam. | Capparaceae | 8 |
| Cardiospermum grandiflorum | Sw. | Sapindaceae | 8 |
| Cardiospermum halicacabum | L. | Sapindaceae | 8 |
| Carissa spinarum | L. | Apocynaceae | 8 |
| Cassytha filiformis | L. | Lauraceae | 8 |
| Celosia argentea | L. | Amaranthaceae | 8 |
| Celtis africana | Burm.f. | Cannabaceae | 8 |
| Celtis mildbraedii | Engl. | Cannabaceae | 8 |
| Cenchrus americanus | (L.) Morrone | Poaceae | 8 |
| Cenchrus caudatus | (Schrad.) Kuntze | Poaceae | 8 |
| Cenchrus purpureus | (Schumach.) Morrone | Poaceae | 8 |
| Cenchrus setosus | Sw. | Poaceae | 8 |
| Centella asiatica | (L.) Urb. | Apiaceae | 8 |
| Centotheca lappacea | (L.) Desv. | Poaceae | 8 |
| Ceratophyllum demersum | L. | Ceratophyllaceae | 8 |
| Ceropegia racemosa | N.E.Br. | Apocynaceae | 8 |
| Chaetachme aristata | Planch. | Cannabaceae | 8 |
| Chamaecrista absus | (L.) H.S.Irwin & Barneby | Fabaceae | 8 |
| Chamaecrista mimosoides | (L.) Greene | Fabaceae | 8 |
| Chloris gayana | Kunth | Poaceae | 8 |
| Chloris pycnothrix | Trin. | Poaceae | 8 |
| Chlorophytum tuberosum | (Roxb.) Baker | Asparagaceae | 8 |
| Christella dentata | (Forssk.) Brownsey & Jermy | Thelypteridaceae | 8 |
| Chrysobalanus icaco | L. | Chrysobalanaceae | 8 |
| Cissus cornifolia | (Baker) Planch. | Vitaceae | 8 |
| Cissus quadrangularis | L. | Vitaceae | 8 |
| Clappertonia ficifolia | (Willd.) Decne. | Malvaceae | 8 |
| Clausena anisata | (Willd.) Hook.f. | Rutaceae | 8 |
| Clematis villosa | DC. | Ranunculaceae | 8 |
| Cleome gynandra | L. | Cleomaceae | 8 |
| Cleome rutidosperma | DC. | Cleomaceae | 8 |
| Clitoria ternatea | L. | Fabaceae | 8 |
| Coccinia adoensis | (Hochst. ex A.Rich.) Cogn. | Cucurbitaceae | 8 |
| Coccinia grandis | (L.) Voigt | Cucurbitaceae | 8 |
| Coldenia procumbens | L. | Coldeniaceae | 8 |
| Coleus bojeri | Benth. | Lamiaceae | 8 |
| Coleus monostachyus | (P.Beauv.) A.J.Paton | Lamiaceae | 8 |
| Combretum molle | R.Br. ex G.Don | Combretaceae | 8 |
| Commelina africana | L. | Commelinaceae | 8 |
| Commelina benghalensis | L. | Commelinaceae | 8 |
| Commelina diffusa | Burm.f. | Commelinaceae | 8 |
| Commelina erecta | L. | Commelinaceae | 8 |
| Commelina forskaolii | Vahl | Commelinaceae | 8 |
| Corchorus aestuans | L. | Malvaceae | 8 |
| Corchorus olitorius | L. | Malvaceae | 8 |
| Corchorus tridens | L. | Malvaceae | 8 |
| Crassocephalum crepidioides | S.Moore | Asteraceae | 8 |
| Crassocephalum rubens | (Jacq.) S.Moore | Asteraceae | 8 |
| Crassula vaginata | Eckl. & Zeyh. | Crassulaceae | 8 |
| Crepidomanes melanotrichum | (Schltdl.) J.P.Roux | Hymenophyllaceae | 8 |
| Crepidomanes parvulum | (Poir.) Nivart, Senterre & Dubuisson | Hymenophyllaceae | 8 |
| Crinum ornatum | (L.f.) Herb. | Amaryllidaceae | 8 |
| Crocosmia aurea | (Pappe ex Hook.) Planch. | Iridaceae | 8 |
| Crotalaria calycina | Schrank | Fabaceae | 8 |
| Crotalaria pallida | Aiton | Fabaceae | 8 |
| Croton sylvaticus | Hochst. | Euphorbiaceae | 8 |
| Cryptolepis oblongifolia | (Meisn.) Schltr. | Apocynaceae | 8 |
| Ctenium concinnum | Nees | Poaceae | 8 |
| Cucumis dipsaceus | Ehrenb. ex Spach | Cucurbitaceae | 8 |
| Cucumis maderaspatanus | L. | Cucurbitaceae | 8 |
| Cucumis metuliferus | E.Mey. ex Naudin | Cucurbitaceae | 8 |
| Cyanthillium cinereum | (L.) H.Rob. | Asteraceae | 8 |
| Cyathula prostrata | (L.) Blume | Amaranthaceae | 8 |
| Cyclosorus interruptus | (Willd.) H.Itô | Thelypteridaceae | 8 |
| Cycnium adonense | E.Mey. ex Benth. | Orobanchaceae | 8 |
| Cynodon dactylon | (L.) Pers. | Poaceae | 8 |
| Cynoglossum lanceolatum | Forssk. | Boraginaceae | 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 compressus | L. | Cyperaceae | 8 |
| Cyperus conglomeratus | Rottb. | Cyperaceae | 8 |
| Cyperus cuspidatus | Kunth | Cyperaceae | 8 |
| Cyperus cyperoides | (L.) Kuntze | Cyperaceae | 8 |
| Cyperus difformis | L. | Cyperaceae | 8 |
| Cyperus distans | L.f. | Cyperaceae | 8 |
| Cyperus dubius | Rottb. | Cyperaceae | 8 |
| Cyperus esculentus | L. | Cyperaceae | 8 |
| Cyperus flavescens | L. | Cyperaceae | 8 |
| Cyperus haspan | L. | Cyperaceae | 8 |
| Cyperus imbricatus | Retz. | Cyperaceae | 8 |
| Cyperus lanceolatus | Poir. | Cyperaceae | 8 |
| Cyperus longus | L. | Cyperaceae | 8 |
| Cyperus metzii | (Hochst. ex Steud.) Mattf. & Kük. | Cyperaceae | 8 |
| Cyperus mindorensis | (Steud.) Huygh | Cyperaceae | 8 |
| Cyperus mundii | (Nees) Kunth | Cyperaceae | 8 |
| Cyperus papyrus | L. | Cyperaceae | 8 |
| Cyperus polystachyos | Rottb. | Cyperaceae | 8 |
| Cyperus pumilus | L. | Cyperaceae | 8 |
| Cyperus richardii | Steud. | Cyperaceae | 8 |
| Cyperus rotundus | L. | Cyperaceae | 8 |
| Cyperus sesquiflorus | (Torr.) Mattf. & Kük. | Cyperaceae | 8 |
| Cyperus sphacelatus | Rottb. | Cyperaceae | 8 |
| Cyperus squarrosus | L. | Cyperaceae | 8 |
| Dactyloctenium aegyptium | (L.) Willd. | Poaceae | 8 |
| Dalbergia ecastaphyllum | (L.) Taub. | Fabaceae | 8 |
| Dalbergia melanoxylon | Guill. & Perr. | Fabaceae | 8 |
| Dichrocephala integrifolia | (L.f.) Kuntze | Asteraceae | 8 |
| Dichrostachys cinerea | (L.) Wight & Arn. | Fabaceae | 8 |
| Dicliptera verticillata | (Forssk.) C.Chr. | Acanthaceae | 8 |
| Digitaria ciliaris | (Retz.) Koeler | Poaceae | 8 |
| Diheteropogon amplectens | (Nees) Clayton | Poaceae | 8 |
| Dioscorea bulbifera | L. | Dioscoreaceae | 8 |
| Dioscorea sansibarensis | Pax | Dioscoreaceae | 8 |
| Diospyros mespiliformis | Hochst. ex A.DC. | Ebenaceae | 8 |
| Dipcadi viride | Moench | Asparagaceae | 8 |
| Diplazium proliferum | (Lam.) Thouars | Athyriaceae | 8 |
| Dodonaea viscosa | Jacq. | Sapindaceae | 8 |
| Doryopteris concolor | (Langsd. & Fisch.) Kuhn & Decken | Pteridaceae | 8 |
| Dracaena fragrans | (L.) Ker Gawl. | Asparagaceae | 8 |
| Dracaena trifasciata | (Prain) Mabb. | Asparagaceae | 8 |
| Drosera indica | L. | Droseraceae | 8 |
| Drosera madagascariensis | DC. | Droseraceae | 8 |
| Dryopteris athamantica | (Kunze) Kuntze | Dryopteridaceae | 8 |
| Dyschoriste nagchana | (Nees) Bennet | Acanthaceae | 8 |
| Echinochloa colona | (L.) Link | Poaceae | 8 |
| Echinochloa pyramidalis | (Lam.) Hitchc. & Chase | Poaceae | 8 |
| Ekebergia capensis | Sparrm. | Meliaceae | 8 |
| Elaeis guineensis | Jacq. | Arecaceae | 8 |
| Eleocharis atropurpurea | (Retz.) J.Presl & C.Presl | Cyperaceae | 8 |
| Eleusine indica | (L.) Gaertn. | Poaceae | 8 |
| Elionurus muticus | (Spreng.) Kuntze | Poaceae | 8 |
| Elytraria acaulis | (L.f.) Lindau | Acanthaceae | 8 |
| Entada gigas | (L.) Fawc. & Rendle | Fabaceae | 8 |
| Epilobium hirsutum | L. | Onagraceae | 8 |
| Epipogium roseum | (D.Don) Lindl. | Orchidaceae | 8 |
| Eragrostis atrovirens | (Desf.) Trin. ex Steud. | Poaceae | 8 |
| Eragrostis cilianensis | (All.) Vignolo ex Janch. | Poaceae | 8 |
| Eragrostis ciliaris | (L.) R.Br. | Poaceae | 8 |
| Eragrostis pilosa | (L.) P.Beauv. | Poaceae | 8 |
| Eragrostis tenella | (L.) P.Beauv. ex Roem. & Schult. | Poaceae | 8 |
| Eragrostis tenuifolia | (A.Rich.) Hochst. ex Steud. | Poaceae | 8 |
| Eriocaulon setaceum | L. | Eriocaulaceae | 8 |
| Eriosema psoraleoides | (Lam.) G.Don | Fabaceae | 8 |
| Erythrina abyssinica | Lam. | Fabaceae | 8 |
| Erythroxylum emarginatum | Thonn. | Erythroxylaceae | 8 |
| Eulophia alta | (L.) Fawc. & Rendle | Orchidaceae | 8 |
| Eulophia angolensis | (Rchb.f.) Summerh. | Orchidaceae | 8 |
| Eulophia cucullata | (Afzel. ex Sw.) Steud. | Orchidaceae | 8 |
| Eulophia horsfallii | (Bateman) Summerh. | Orchidaceae | 8 |
| Eulophia maculata | (Lindl.) Rchb.f. | Orchidaceae | 8 |
| Evolvulus alsinoides | (L.) L. | Convolvulaceae | 8 |
| Faidherbia albida | (Delile) A.Chev. | Fabaceae | 8 |
| Ficus abutilifolia | (Miq.) Miq. | Moraceae | 8 |
| Ficus capreifolia | Delile | Moraceae | 8 |
| Ficus exasperata | Vahl | Moraceae | 8 |
| Ficus glumosa | Delile | Moraceae | 8 |
| Ficus ingens | (Miq.) Miq. | Moraceae | 8 |
| Ficus lutea | Vahl | Moraceae | 8 |
| Ficus natalensis | Hochst. | Moraceae | 8 |
| Ficus polita | Vahl | Moraceae | 8 |
| Ficus salicifolia | Vahl | Moraceae | 8 |
| Ficus sur | Forssk. | Moraceae | 8 |
| Ficus sycomorus | L. | Moraceae | 8 |
| Ficus trichopoda | Baker | Moraceae | 8 |
| Ficus verruculosa | Warb. | Moraceae | 8 |
| Fimbristylis bisumbellata | (Forssk.) Bubani | Cyperaceae | 8 |
| Fimbristylis dichotoma | (L.) Vahl | Cyperaceae | 8 |
| Flagellaria guineensis | Schumach. | Flagellariaceae | 8 |
| Flemingia grahamiana | Wight & Arn. | Fabaceae | 8 |
| Flueggea virosa | (Roxb. ex Willd.) Royle | Phyllanthaceae | 8 |
| Fuirena umbellata | Rottb. | Cyperaceae | 8 |
| Galactia striata | (Jacq.) Urb. | Fabaceae | 8 |
| Genlisea hispidula | Stapf | Lentibulariaceae | 8 |
| Geophila herbacea | (Jacq.) K.Schum. | Rubiaceae | 8 |
| Gerbera piloselloides | (L.) Cass. | Asteraceae | 8 |
| Gisekia pharnaceoides | L. | Gisekiaceae | 8 |
| Gladiolus dalenii | Van Geel | Iridaceae | 8 |
| Glinus lotoides | L. | Molluginaceae | 8 |
| Gloriosa superba | L. | Colchicaceae | 8 |
| Grewia flavescens | Juss. | Malvaceae | 8 |
| Grewia villosa | Willd. | Malvaceae | 8 |
| Grona setigera | (E.Mey.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Grona triflora | (L.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Gymnanthemum amygdalinum | (Del.) Sch.Bip ex Walp. | Asteraceae | 8 |
| Gymnanthemum coloratum | (Willd.) H.Rob. & B.Kahn | Asteraceae | 8 |
| Gymnema sylvestre | (Retz.) R.Br. ex Sm. | Apocynaceae | 8 |
| Gymnosporia senegalensis | (Lam.) Loes. | Celastraceae | 8 |
| Habenaria schimperiana | Hochst. ex A.Rich. | Orchidaceae | 8 |
| Hackelochloa granularis | (L.) Kuntze | Poaceae | 8 |
| Harungana madagascariensis | Lam. ex Poir. | Hypericaceae | 8 |
| Helichrysum nudifolium | (L.) Less. | Asteraceae | 8 |
| Heliotropium supinum | L. | Heliotropiaceae | 8 |
| Heteranthera callifolia | Rchb. ex Kunth | Pontederiaceae | 8 |
| Heteropogon contortus | (L.) P.Beauv. ex Roem. & Schult. | Poaceae | 8 |
| Heterotis rotundifolia | (Sm.) Jacq.-Fél. | Melastomataceae | 8 |
| Hewittia malabarica | (L.) Suresh | Convolvulaceae | 8 |
| Hexalobus monopetalus | (A.Rich.) Engl. & Diels | Annonaceae | 8 |
| Hibiscus lobatus | (Murray) Kuntze | Malvaceae | 8 |
| Hoslundia opposita | Vahl | Lamiaceae | 8 |
| Hydnora abyssinica | A.Br. | Aristolochiaceae | 8 |
| Hygrophila abyssinica | (Hochst. ex Nees) T.Anderson | Acanthaceae | 8 |
| Hygrophila auriculata | (Schumach.) Heine | Acanthaceae | 8 |
| Hyparrhenia hirta | (L.) Stapf | Poaceae | 8 |
| Hyparrhenia rufa | (Nees) Stapf | Poaceae | 8 |
| Hyperthelia dissoluta | (Nees ex Steud.) Clayton | Poaceae | 8 |
| Hypoestes aristata | (Vahl) Sol. ex Roem. & Schult. | Acanthaceae | 8 |
| Hypoestes forskaolii | (Vahl) R.Br. | Acanthaceae | 8 |
| Hypoxis angustifolia | Lam. | Hypoxidaceae | 8 |
| Imperata cylindrica | (L.) Raeusch. | Poaceae | 8 |
| Indigofera astragalina | DC. | Fabaceae | 8 |
| Indigofera hendecaphylla | Jacq. | Fabaceae | 8 |
| Indigofera hirsuta | L. | Fabaceae | 8 |
| Indigofera oxalidea | Welw. ex Baker | Fabaceae | 8 |
| Indigofera spicata | Forssk. | Fabaceae | 8 |
| Ipomoea aquatica | Forssk. | Convolvulaceae | 8 |
| Ipomoea coptica | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea eriocarpa | R.Br. | Convolvulaceae | 8 |
| Ipomoea involucrata | P.Beauv. | Convolvulaceae | 8 |
| Ipomoea mauritiana | Jacq. | Convolvulaceae | 8 |
| Ipomoea obscura | (L.) Ker Gawl. | Convolvulaceae | 8 |
| Ipomoea pes-tigridis | L. | Convolvulaceae | 8 |
| Jacquemontia tamnifolia | (L.) Griseb. | Convolvulaceae | 8 |
| Jasminum dichotomum | Vahl | Oleaceae | 8 |
| Justicia flava | (Forssk.) Vahl | Acanthaceae | 8 |
| Kalanchoe lanceolata | Pers. | Crassulaceae | 8 |
| Keetia gueinzii | (Sond.) Bridson | Rubiaceae | 8 |
| Khaya senegalensis | (Desr.) A.Juss. | Meliaceae | 8 |
| Kigelia africana | (Lam.) Benth. | Bignoniaceae | 8 |
| Lablab purpureus | (L.) Sweet | Fabaceae | 8 |
| Lactuca inermis | Forssk. | Asteraceae | 8 |
| Lagenaria siceraria | (Molina) Standl. | Cucurbitaceae | 8 |
| Laggera crispata | (Vahl) Hepper & J.R.I.Wood | Asteraceae | 8 |
| Laphangium luteoalbum | (L.) Tzvelev | Asteraceae | 8 |
| Laportea aestuans | (L.) Chew | Urticaceae | 8 |
| Lasimorpha senegalensis | Schott | Araceae | 8 |
| Lasiosiphon kraussianus | (Meisn.) Meisn. | Thymelaeaceae | 8 |
| Laurembergia repens | P.J.Bergius | Haloragaceae | 8 |
| Leea guineensis | G.Don | Vitaceae | 8 |
| Leersia hexandra | Sw. | Poaceae | 8 |
| Lemna aequinoctialis | Welw. | Araceae | 8 |
| Leonotis nepetifolia | (L.) R.Br. | Lamiaceae | 8 |
| Lepidagathis alopecuroidea | (Vahl) R.Br. ex Griseb. | Acanthaceae | 8 |
| Leptospron adenanthum | (G.Mey.) A.Delgado | Fabaceae | 8 |
| Leucas martinicensis | (Jacq.) R.Br. | Lamiaceae | 8 |
| Limeum viscosum | Fenzl | Limeaceae | 8 |
| Liparis nervosa | (Thunb.) Lindl. | Orchidaceae | 8 |
| Lippia javanica | (Burm.f.) Spreng. | Verbenaceae | 8 |
| Litogyne gariepina | (DC.) Anderb. | Asteraceae | 8 |
| Lobelia heyneana | Schult. | Campanulaceae | 8 |
| Lophira alata | Banks ex C.F.Gaertn. | Ochnaceae | 8 |
| Loudetia simplex | (Nees) C.E.Hubb. | Poaceae | 8 |
| Ludwigia adscendens | (L.) H.Hara | Onagraceae | 8 |
| Ludwigia leptocarpa | (Nutt.) H.Hara | Onagraceae | 8 |
| Ludwigia perennis | L. | Onagraceae | 8 |
| Lygodium microphyllum | (Cav.) R.Br. | Lygodiaceae | 8 |
| Lysimachia ovalis | (Ruiz & Pav.) U.Manns & Anderb. | Primulaceae | 8 |
| Maerua angolensis | DC. | Capparaceae | 8 |
| Maesa lanceolata | Forssk. | Primulaceae | 8 |
| Markhamia obtusifolia | (Baker) Sprague | Bignoniaceae | 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 repens | (Willd.) Zizka | Poaceae | 8 |
| Melochia corchorifolia | L. | Malvaceae | 8 |
| Merremia hederacea | (Burm.f.) Hallier f. | Convolvulaceae | 8 |
| Microcharis praetermissa | (Baker f.) Schrire | Fabaceae | 8 |
| Microglossa pyrifolia | (Lam.) Kuntze | Asteraceae | 8 |
| Microsorum punctatum | Copel. | Polypodiaceae | 8 |
| Microsorum scolopendria | (Burm.f.) Copel. | Polypodiaceae | 8 |
| Microstachys chamaelea | (L.) Müll.Arg. | Euphorbiaceae | 8 |
| Milicia excelsa | (Welw.) C.C.Berg | Moraceae | 8 |
| Momordica charantia | L. | Cucurbitaceae | 8 |
| Momordica foetida | Schumach. | Cucurbitaceae | 8 |
| Mondia whitei | (Hook.f.) Skeels | Apocynaceae | 8 |
| Monocymbium ceresiiforme | (Nees) Stapf | Poaceae | 8 |
| Mucuna pruriens | (L.) DC. | Fabaceae | 8 |
| Mucuna sloanei | Fawc. & Rendle | Fabaceae | 8 |
| Mundulea sericea | (Willd.) A.Chev. | Fabaceae | 8 |
| Murdannia simplex | (Vahl) Brenan | Commelinaceae | 8 |
| Musanga cecropioides | R.Br. ex Tedlie | Urticaceae | 8 |
| Mussaenda arcuata | Poir. | Rubiaceae | 8 |
| Mussaenda erythrophylla | Schumach. & Thonn. | Rubiaceae | 8 |
| Mystroxylon aethiopicum | (Thunb.) Loes. | Celastraceae | 8 |
| Najas horrida | A.Braun ex Magnus | Hydrocharitaceae | 8 |
| Nauclea latifolia | Sm. | Rubiaceae | 8 |
| Nelsonia canescens | (Lam.) Spreng. | Acanthaceae | 8 |
| Neonotonia wightii | (Wight & Arn.) J.A.Lackey | Fabaceae | 8 |
| Nephrolepis biserrata | (Sw.) Schott | Nephrolepidaceae | 8 |
| Neptunia oleracea | Lour. | Fabaceae | 8 |
| Nervilia simplex | (Thouars) Schltr. | Orchidaceae | 8 |
| Nymphaea lotus | L. | Nymphaeaceae | 8 |
| Ochna schweinfurthiana | F.Hoffm. | Ochnaceae | 8 |
| Ocimum americanum | L. | Lamiaceae | 8 |
| Ocimum gratissimum | L. | Lamiaceae | 8 |
| Ocimum obovatum | E.Mey. ex Benth. | Lamiaceae | 8 |
| Oldenlandia affinis | (Roem. & Schult.) DC. | Rubiaceae | 8 |
| Oldenlandia corymbosa | L. | Rubiaceae | 8 |
| Oldenlandia herbacea | (L.) Roxb. | Rubiaceae | 8 |
| Oleandra distenta | Kunze | Oleandraceae | 8 |
| Omphalocarpum elatum | Miers | Sapotaceae | 8 |
| Oplismenus burmanni | (Retz.) P.Beauv. | Poaceae | 8 |
| Oplismenus hirtellus | (L.) P.Beauv. | Poaceae | 8 |
| Orthosiphon thymiflorus | (Roth) Sleesen | Lamiaceae | 8 |
| Osmunda regalis | L. | Osmundaceae | 8 |
| Ottelia ulvifolia | (Planch.) Walp. | Hydrocharitaceae | 8 |
| Palhinhaea cernua | (L.) Vasc. & Franco | Lycopodiaceae | 8 |
| Pancratium tenuifolium | Hochst. | Amaryllidaceae | 8 |
| Panicum brevifolium | L. | Poaceae | 8 |
| Parinari curatellifolia | Planch. ex Benth. | Chrysobalanaceae | 8 |
| Parinari excelsa | Sabine | Chrysobalanaceae | 8 |
| Paullinia pinnata | L. | Sapindaceae | 8 |
| Pavetta schumanniana | F.Hoffm. ex K.Schum. | Rubiaceae | 8 |
| Pedalium murex | L. | Pedaliaceae | 8 |
| Pentodon pentandrus | (Schumach.) Vatke | Rubiaceae | 8 |
| Peperomia pellucida | (L.) Kunth | Piperaceae | 8 |
| Pergularia daemia | (Forssk.) Chiov. | Apocynaceae | 8 |
| Perotis patens | Gand. | Poaceae | 8 |
| Persicaria decipiens | (R.Br.) K.L.Wilson | Polygonaceae | 8 |
| Persicaria glabra | (Willd.) M.Gómez | Polygonaceae | 8 |
| Persicaria lapathifolia | (L.) Delarbre | Polygonaceae | 8 |
| Persicaria madagascariensis | (Meisn.) S.Ortiz & Paiva | Polygonaceae | 8 |
| Persicaria senegalensis | (Meisn.) Soják | Polygonaceae | 8 |
| Phaulopsis imbricata | (Forssk.) Sweet | Acanthaceae | 8 |
| Phoenix reclinata | Jacq. | Arecaceae | 8 |
| Phragmites mauritianus | Kunth | Poaceae | 8 |
| Phyla nodiflora | (L.) Greene | Verbenaceae | 8 |
| Phyllanthus maderaspatensis | L. | Phyllanthaceae | 8 |
| Phyllanthus pentandrus | Schumach. & Thonn. | Phyllanthaceae | 8 |
| Piliostigma thonningii | (Schumach.) Milne-Redh. | Fabaceae | 8 |
| Pistia stratiotes | L. | Araceae | 8 |
| Pittosporum viridiflorum | Sims | Pittosporaceae | 8 |
| Platycerium elephantotis | Schweinf. | Polypodiaceae | 8 |
| Pleurolobus gangeticus | (L.) J.St.-Hil. ex H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Plumbago zeylanica | L. | Plumbaginaceae | 8 |
| Polhillides velutina | (Willd.) H.Ohashi & K.Ohashi | Fabaceae | 8 |
| Polycarpaea corymbosa | (L.) Lam. | Caryophyllaceae | 8 |
| Polystachya concreta | (Jacq.) Garay & H.R.Sweet | Orchidaceae | 8 |
| Pontederia natans | P.Beauv. | Pontederiaceae | 8 |
| Portulaca oleracea | L. | Portulacaceae | 8 |
| Portulaca quadrifida | L. | Portulacaceae | 8 |
| Potamogeton schweinfurthii | A.Benn. | Potamogetonaceae | 8 |
| Pseudarthria hookeri | Wight & Arn. | Fabaceae | 8 |
| Pteris tripartita | Sw. | Pteridaceae | 8 |
| Pupalia lappacea | (L.) Juss. | Amaranthaceae | 8 |
| Ranunculus multifidus | Forssk. | Ranunculaceae | 8 |
| Rauvolfia afra | Sond. | Apocynaceae | 8 |
| Remusatia vivipara | (Roxb.) Schott | Araceae | 8 |
| Rhamphicarpa fistulosa | (Hochst.) Benth. | Orobanchaceae | 8 |
| Rhipsalis baccifera | (Sol. ex J.S.Muell.) Stearn | Cactaceae | 8 |
| Rhynchosia hirta | (Andrews) Meikle & Verdc. | Fabaceae | 8 |
| Rhynchosia minima | (L.) DC. | Fabaceae | 8 |
| Rhynchosia resinosa | (Hochst. ex A.Rich.) Baker | Fabaceae | 8 |
| Rhynchospora brownii | Roem. & Schult. | Cyperaceae | 8 |
| Rhynchospora corymbosa | (L.) Britton | Cyperaceae | 8 |
| Rhynchospora eximia | (Nees) Boeckeler | Cyperaceae | 8 |
| Rottboellia cochinchinensis | (Lour.) Clayton | Poaceae | 8 |
| Rubus pinnatus | Willd. | Rosaceae | 8 |
| Ruellia patula | Jacq. | Acanthaceae | 8 |
| Ruellia prostrata | Poir. | Acanthaceae | 8 |
| Sabdariffa cannabina | (L.) M.M.Hanes & R.L.Barrett | Malvaceae | 8 |
| Sabdariffa gossypiifolia | (Mill.) M.M.Hanes & R.L.Barrett | Malvaceae | 8 |
| Sabdariffa surattensis | (L.) M.M.Hanes & R.L.Barrett | Malvaceae | 8 |
| Saccharum spontaneum | L. | Poaceae | 8 |
| Sacciolepis indica | Chase | Poaceae | 8 |
| Santaloides minor | (Gaertn.) G.Schellenb. | Connaraceae | 8 |
| Sauvagesia erecta | L. | Ochnaceae | 8 |
| Scadoxus multiflorus | (Martyn) Raf. | Amaryllidaceae | 8 |
| Scepocarpus trinervis | (Hochst.) T.Wells & A.K.Monro | Urticaceae | 8 |
| Schizachyrium sanguineum | (Retz.) Alston | Poaceae | 8 |
| Schoenoplectiella mucronata | (L.) J.Jung & H.K.Choi | Cyperaceae | 8 |
| Scleria distans | Poir. | Cyperaceae | 8 |
| Scleria lacustris | C.Wright | Cyperaceae | 8 |
| Sclerocarya birrea | (A.Rich.) Hochst. | Anacardiaceae | 8 |
| Securidaca longepedunculata | Fresen. | Polygalaceae | 8 |
| Senecio ruwenzoriensis | S.Moore | Asteraceae | 8 |
| Senegalia ataxacantha | (DC.) Kyal. & Boatwr. | Fabaceae | 8 |
| Senna alexandrina | Mill. | Fabaceae | 8 |
| Senna italica | Mill. | Fabaceae | 8 |
| Senna petersiana | (Bolle) Lock | Fabaceae | 8 |
| Senna singueana | (Delile) Lock | Fabaceae | 8 |
| Sesbania bispinosa | (Jacq.) W.Wight | Fabaceae | 8 |
| Sesbania sesban | (L.) Merr. | Fabaceae | 8 |
| Setaria barbata | (Lam.) Kunth | Poaceae | 8 |
| Setaria megaphylla | (Steud.) T.Durand & Schinz | Poaceae | 8 |
| Setaria pumila | (Poir.) Roem. & Schult. | Poaceae | 8 |
| Setaria sphacelata | (Schumach.) Stapf & C.E.Hubb. ex Moss | Poaceae | 8 |
| Sida acuta | Burm.f. | Malvaceae | 8 |
| Sida cordifolia | L. | Malvaceae | 8 |
| Sida linifolia | Cav. | Malvaceae | 8 |
| Sida rhombifolia | L. | Malvaceae | 8 |
| Smilax anceps | Willd. | Smilacaceae | 8 |
| Solanum dasyphyllum | Schumach. & Thonn. | Solanaceae | 8 |
| Solanum scabrum | Mill. | Solanaceae | 8 |
| Solanum terminale | Forssk. | Solanaceae | 8 |
| Sophora tomentosa | L. | Fabaceae | 8 |
| Sopubia simplex | (Hochst.) Hochst. | Orobanchaceae | 8 |
| Sorghum bicolor | (L.) Moench | Poaceae | 8 |
| Spathodea campanulata | P.Beauv. | Bignoniaceae | 8 |
| Sphenoclea zeylanica | Gaertn. | Sphenocleaceae | 8 |
| Spirodela polyrhiza | (L.) Schleid. | Araceae | 8 |
| Steganotaenia araliacea | Hochst. | Apiaceae | 8 |
| Stomatanthes africanus | (Oliv. & Hiern) R.M.King & H.Rob. | Asteraceae | 8 |
| Striga asiatica | (L.) Kuntze | Orobanchaceae | 8 |
| Striga bilabiata | (Thunb.) Kuntze | Orobanchaceae | 8 |
| Striga gesnerioides | (Willd.) Vatke | Orobanchaceae | 8 |
| Strophanthus sarmentosus | DC. | Apocynaceae | 8 |
| Strychnos spinosa | Lam. | Loganiaceae | 8 |
| Symphonia globulifera | L.f. | Clusiaceae | 8 |
| Syncolostemon bracteosus | (Benth.) D.F.Otieno | Lamiaceae | 8 |
| Syzygium guineense | (Willd.) DC. | Myrtaceae | 8 |
| Tacazzea apiculata | Oliv. | Apocynaceae | 8 |
| Tacca leontopetaloides | (L.) Kuntze | Dioscoreaceae | 8 |
| Tarenna pavettoides | (Harv.) Sim | Rubiaceae | 8 |
| Tephrosia purpurea | (L.) Pers. | Fabaceae | 8 |
| Tephrosia vogelii | Hook.f. | Fabaceae | 8 |
| Teramnus labialis | (L.f.) Spreng. | Fabaceae | 8 |
| Thalia geniculata | L. | Marantaceae | 8 |
| Themeda triandra | Forssk. | Poaceae | 8 |
| Thonningia sanguinea | Vahl | Balanophoraceae | 8 |
| Thunbergia alata | Bojer ex Sims | Acanthaceae | 8 |
| Thunbergia erecta | (Benth.) T.Anderson | Acanthaceae | 8 |
| Torenia crustacea | (L.) Cham. & Schltdl. | Linderniaceae | 8 |
| Trachypogon spicatus | (L.f.) Kuntze | Poaceae | 8 |
| Tragus racemosus | (L.) All. | Poaceae | 8 |
| Trapa natans | L. | Lythraceae | 8 |
| Trema orientale | (L.) Blume | Cannabaceae | 8 |
| Tribulus terrestris | L. | Zygophyllaceae | 8 |
| Trichilia dregeana | Sond. | Meliaceae | 8 |
| Trichilia emetica | Vahl | Meliaceae | 8 |
| Trichodesma africanum | (L.) Sm. | Boraginaceae | 8 |
| Tridactyle tridentata | (Harv.) Schltr. | Orchidaceae | 8 |
| Tristemma mauritianum | J.F.Gmel. | Melastomataceae | 8 |
| Triumfetta pentandra | A.Rich. | Malvaceae | 8 |
| Triumfetta rhomboidea | Jacq. | Malvaceae | 8 |
| Typha domingensis | Pers. | Typhaceae | 8 |
| Urena lobata | L. | Malvaceae | 8 |
| Urochloa brizantha | (A.Rich.) R.D.Webster | Poaceae | 8 |
| Urochloa deflexa | (Schumach.) H.Scholz | Poaceae | 8 |
| Urochloa eminii | (Mez) Davidse | Poaceae | 8 |
| Urochloa serrata | (Thunb.) Sosef | Poaceae | 8 |
| Utricularia gibba | L. | Lentibulariaceae | 8 |
| Utricularia prehensilis | E.Mey. | Lentibulariaceae | 8 |
| Utricularia raynalii | P.Taylor | Lentibulariaceae | 8 |
| Utricularia reflexa | Oliv. | Lentibulariaceae | 8 |
| Utricularia stellaris | L.f. | Lentibulariaceae | 8 |
| Utricularia striatula | Sm. | Lentibulariaceae | 8 |
| Utricularia subulata | L. | Lentibulariaceae | 8 |
| Vachellia nilotica | (L.) P.J.H.Hurter & Mabb. | Fabaceae | 8 |
| Vachellia seyal | (Delile) P.J.H.Hurter | Fabaceae | 8 |
| Vachellia sieberiana | (DC.) Kyal. & Boatwr. | Fabaceae | 8 |
| Vallisneria spiralis | L. | Hydrocharitaceae | 8 |
| Vandellia diffusa | L. | Linderniaceae | 8 |
| Vangueria madagascariensis | J.F.Gmel. | Rubiaceae | 8 |
| Vigna marina | (Burm.) Merr. | Fabaceae | 8 |
| Vigna unguiculata | (L.) Walp. | Fabaceae | 8 |
| Vigna vexillata | (L.) A.Rich. | Fabaceae | 8 |
| Voacanga thouarsii | Roem. & Schult. | Apocynaceae | 8 |
| Wissadula amplissima | (L.) R.E.Fr. | Malvaceae | 8 |
| Xenostegia tridentata | (L.) D.F.Austin & Staples | Convolvulaceae | 8 |
| Ximenia americana | L. | Olacaceae | 8 |
| Ziziphus mauritiana | Lam. | Rhamnaceae | 8 |
| Ziziphus mucronata | Willd. | Rhamnaceae | 8 |
| Ziziphus spina-christi | (L.) Desf. | Rhamnaceae | 8 |
| Caroxylon imbricatum | (Forssk.) Moq. | Chenopodiaceae | 7 |
| Christella hispidula | (Decne.) Holttum | Thelypteridaceae | 7 |
| Chrysanthellum indicum | DC. | Asteraceae | 7 |
| Clerodendrum splendens | G.Don | Lamiaceae | 7 |
| Combretum paniculatum | Vent. | Combretaceae | 7 |
| Cyperus alatus | (Nees) F.Muell. | Cyperaceae | 7 |
| Cyperus hortensis | (Salzm. ex Steud.) Dorr | Cyperaceae | 7 |
| Digitaria longiflora | (Retz.) Pers. | Poaceae | 7 |
| Eleocharis nigrescens | (Nees) Kunth | Cyperaceae | 7 |
| Emilia coccinea | (Sims) G.Don | Asteraceae | 7 |
| Floscopa glomerata | (Willd. ex Schult. & Schult.f.) Hassk. | Commelinaceae | 7 |
| Hibiscus physaloides | Guill. & Perr. | Malvaceae | 7 |
| Ipomoea rubens | Choisy | Convolvulaceae | 7 |
| Kalanchoe crenata | (Andrews) Haw. | Crassulaceae | 7 |
| Menisorus unitus | (Kunze) S.E.Fawc. & A.R.Sm. | Thelypteridaceae | 7 |
| Olyra latifolia | L. | Poaceae | 7 |
| Paropsia brazzaeana | Baill. | Passifloraceae | 7 |
| Pollia condensata | C.B.Clarke | Commelinaceae | 7 |
| Pteris linearis | Poir. | Pteridaceae | 7 |
| Talinum portulacifolium | (Forssk.) Asch. ex Schweinf. | Talinaceae | 7 |
| Vitellaria paradoxa | C.F.Gaertn. | Sapotaceae | 7 |
| Aeschynomene elaphroxylon | (Guill. & Perr.) Taub. | Fabaceae | 6 |
| Albizia gummifera | (J.F.Gmel.) C.A.Sm. | Fabaceae | 6 |
| Allophylus grandifolius | (Baker) Radlk. | Sapindaceae | 6 |
| Anisostachya tenella | (Nees) Lindau | Acanthaceae | 6 |
| Biophytum umbraculum | Welw. | Oxalidaceae | 6 |
| Boscia senegalensis | Lam. | Capparaceae | 6 |
| Cenchrus pedicellatus | (Trin.) Morrone | Poaceae | 6 |
| Corchorus fascicularis | Lam. | Malvaceae | 6 |
| Crotalaria goreensis | Guill. & Perr. | Fabaceae | 6 |
| Crotalaria ochroleuca | G.Don | Fabaceae | 6 |
| Cyperus amabilis | Vahl | Cyperaceae | 6 |
| Cyperus margaritaceus | Vahl | Cyperaceae | 6 |
| Eremomastax speciosa | (Hochst.) Cufod. | Acanthaceae | 6 |
| Eulophia latilabris | Summerh. | Orchidaceae | 6 |
| Fimbristylis squarrosa | Vahl | Cyperaceae | 6 |
| Hymenocardia ulmoides | Oliv. | Phyllanthaceae | 6 |
| Ipomoea pileata | Roxb. | Convolvulaceae | 6 |
| Leptaspis zeylanica | Nees ex Steud. | Poaceae | 6 |
| Limnophila indica | (L.) Druce | Plantaginaceae | 6 |
| Maesopsis eminii | Engl. | Rhamnaceae | 6 |
| Margaritaria discoidea | (Baill.) G.L.Webster | Phyllanthaceae | 6 |
| Melochia melissifolia | Benth. | Malvaceae | 6 |
| Mussaenda elegans | Schumach. & Thonn. | Rubiaceae | 6 |
| Paspalum scrobiculatum | L. | Poaceae | 6 |
| Psorospermum febrifugum | Spach | Hypericaceae | 6 |
| Satyrium trinerve | Lindl. | Orchidaceae | 6 |
| Solanum anguivi | Lam. | Solanaceae | 6 |
| Tragia volubilis | L. | Euphorbiaceae | 6 |
| Vigna frutescens | A.Rich. | Fabaceae | 6 |
| Wahlenbergia lobelioides | (L.f.) Link | Campanulaceae | 6 |
| Aframomum angustifolium | (Sonn.) K.Schum. | Zingiberaceae | 5 |
| Ammannia crassicaulis | Guill. & Perr. | Lythraceae | 5 |
| Andropogon gayanus | Kunth | Poaceae | 5 |
| Antherotoma debilis | (Sond.) Jacq.-Fél. | Melastomataceae | 5 |
| Antherotoma naudinii | Hook.f. | Melastomataceae | 5 |
| Arthropteris orientalis | (J.F.Gmel.) Posth. | Arthropteridaceae | 5 |
| Basilicum polystachyon | (L.) Moench | Lamiaceae | 5 |
| Bombax costatum | Pellegr. & Vuillet | Malvaceae | 5 |
| Cissampelos mucronata | A.Rich. | Menispermaceae | 5 |
| Cnestis ferruginea | Vahl ex DC. | Connaraceae | 5 |
| Cyperus pectinatus | Vahl | Cyperaceae | 5 |
| Cyperus zollingeri | Steud. | Cyperaceae | 5 |
| Dialium guineense | Willd. | Fabaceae | 5 |
| Dracaena aubryana | Brongn. ex É.Morren | Asparagaceae | 5 |
| Echinochloa stagnina | (Retz.) P.Beauv. | Poaceae | 5 |
| Eriosema pauciflorum | Klotzsch | Fabaceae | 5 |
| Hymenocardia acida | Tul. | Phyllanthaceae | 5 |
| Hyparrhenia cymbaria | (L.) Stapf | Poaceae | 5 |
| Indigofera vicioides | Jaub. & Spach | Fabaceae | 5 |
| Ipomoea acanthocarpa | Hochst. ex Choisy | Convolvulaceae | 5 |
| Isachne albens | Trin. | Poaceae | 5 |
| Markhamia lutea | (Benth.) K.Schum. | Bignoniaceae | 5 |
| Micrococca mercurialis | Benth. | Euphorbiaceae | 5 |
| Mostuea brunonis | Didr. | Gelsemiaceae | 5 |
| Neuropeltis acuminata | (P.Beauv.) Benth. | Convolvulaceae | 5 |
| Nymphaea micrantha | Guill. & Perr. | Nymphaeaceae | 5 |
| Paramollugo nudicaulis | (Lam.) Thulin | Molluginaceae | 5 |
| Platylepis glandulosa | (Lindl.) Rchb.f. | Orchidaceae | 5 |
| Pleiocarpa mutica | Benth. | Apocynaceae | 5 |
| Pseudechinolaena polystachya | (Kunth) Stapf | Poaceae | 5 |
| Psychotria succulenta | (Hiern) E.M.A.Petit | Rubiaceae | 5 |
| Rhytachne rottboellioides | Desv. | Poaceae | 5 |
| Stictocardia beraviensis | (Vatke) Hallier f. | Convolvulaceae | 5 |
| Strophanthus gratus | (Wall. & Hook. ex Benth.) Baill. | Apocynaceae | 5 |
| Aristolochia triactina | Hook.f. | Aristolochiaceae | 4 |
| Bidens biternata | (Lour.) Merr. & Sherff | Asteraceae | 4 |
| Blastania cerasiformis | (Stocks) A.Meeuse | Cucurbitaceae | 4 |
| Boerhavia helenae | Schult. | Nyctaginaceae | 4 |
| Bulbophyllum maximum | (Lindl.) Rchb.f. | Orchidaceae | 4 |
| Capparis erythrocarpos | Isert | Capparaceae | 4 |
| Clerodendrum umbellatum | Poir. | Lamiaceae | 4 |
| Coffea liberica | W.Bull | Rubiaceae | 4 |
| Cola chlamydantha | K.Schum. | Malvaceae | 4 |
| Corymborkis corymbis | Thouars | Orchidaceae | 4 |
| Costus dubius | (Afzel.) K.Schum. | Costaceae | 4 |
| Crossandra subacaulis | C.B.Clarke | Acanthaceae | 4 |
| Cyathula achyranthoides | (Kunth) Moq. | Amaranthaceae | 4 |
| Detarium microcarpum | Guill. & Perr. | Fabaceae | 4 |
| Dracaena arborea | (Willd.) Link | Asparagaceae | 4 |
| Echinochloa crus-pavonis | (Kunth) Schult. | Poaceae | 4 |
| Elaeodendron buchananii | (Loes.) Loes. | Celastraceae | 4 |
| Eragrostis gangetica | (Roxb.) Steud. | Poaceae | 4 |
| Eriosema chrysadenium | Taub. | Fabaceae | 4 |
| Gardenia ternifolia | Schumach. & Thonn. | Rubiaceae | 4 |
| Grona adscendens | (Sw.) H.Ohashi & K.Ohashi | Fabaceae | 4 |
| Hyphaene thebaica | (L.) Mart. | Arecaceae | 4 |
| Justicia scandens | Vahl | Acanthaceae | 4 |
| Lasiosiphon microcephalus | (Meisn.) J.C.Manning & Magee | Thymelaeaceae | 4 |
| Lecaniodiscus cupanioides | Planch. | Sapindaceae | 4 |
| Loeseneriella africana | (Willd.) R.Wilczek | Celastraceae | 4 |
| Loeseneriella crenata | (Klotzsch) R.Wilczek | Celastraceae | 4 |
| Megastachya mucronata | (Poir.) P.Beauv. | Poaceae | 4 |
| Microgramma mauritiana | (Willd.) Tardieu | Polypodiaceae | 4 |
| Myrianthus arboreus | P.Beauv. | Urticaceae | 4 |
| Neorautanenia mitis | (A.Rich.) Verdc. | Fabaceae | 4 |
| Newbouldia laevis | (P.Beauv.) Seem. ex Bureau | Bignoniaceae | 4 |
| Nymphoides senegalensis | (G.Don) Tippery | Menyanthaceae | 4 |
| Oncinotis tenuiloba | Stapf | Apocynaceae | 4 |
| Oxyanthus speciosus | DC. | Rubiaceae | 4 |
| Oxytenanthera abyssinica | (A.Rich.) Munro | Poaceae | 4 |
| Parkia biglobosa | (Jacq.) R.Br. ex G.Don | Fabaceae | 4 |
| Pavetta gardeniifolia | Hochst. ex A.Rich. | Rubiaceae | 4 |
| Pseuderanthemum ludovicianum | (Büttner) Lindau | Acanthaceae | 4 |
| Reissantia indica | (Willd.) N.Hallé | Celastraceae | 4 |
| Rhipidoglossum rutilum | (Rchb.f.) Schltr. | Orchidaceae | 4 |
| Rotala mexicana | Schltdl. & Cham. | Lythraceae | 4 |
| Senegalia senegal | (L.) Britton | Fabaceae | 4 |
| Sida javensis | Cav. | Malvaceae | 4 |
| Sida ovata | Forssk. | Malvaceae | 4 |
| Siphonochilus aethiopicus | (Schweinf.) B.L.Burtt | Zingiberaceae | 4 |
| Spermacoce filifolia | (Schumach. & Thonn.) J.-P.Lebrun & Stork | Rubiaceae | 4 |
| Spermacoce stachydea | DC. | Rubiaceae | 4 |
| Tridactyle bicaudata | (Lindl.) Schltr. | Orchidaceae | 4 |
| Vachellia flava | (Forssk.) Kyal. & Boatwr. | Fabaceae | 4 |
| Acmella caulirhiza | Delile | Asteraceae | 3 |
| Anchomanes difformis | (Blume) Engl. | Araceae | 3 |
| Boehmeria virgata | (G.Forst.) Guill. | Urticaceae | 3 |
| Bulbophyllum scaberulum | (Rolfe) Bolus | Orchidaceae | 3 |
| Cadaba farinosa | Forssk. | Capparaceae | 3 |
| Combretum comosum | G.Don | Combretaceae | 3 |
| Combretum racemosum | P.Beauv. | Combretaceae | 3 |
| Combretum sericeum | G.Don | Combretaceae | 3 |
| Craterostigma nummulariifolium | (D.Don) Eb.Fisch., Schäferh. & Kai Müll. | Linderniaceae | 3 |
| Crepidorhopalon debilis | (Skan) Eb.Fisch. | Linderniaceae | 3 |
| Cyperus ascocapensis | Bauters | Cyperaceae | 3 |
| Cyperus erectus | (Schumach.) Mattf. & Kük. | Cyperaceae | 3 |
| Cyperus niveus | Retz. | Cyperaceae | 3 |
| Cyrtorchis arcuata | (Lindl.) Schltr. | Orchidaceae | 3 |
| Diectomis fastigiata | (Sw.) P.Beauv. | Poaceae | 3 |
| Ficus lecardii | Warb. | Moraceae | 3 |
| Ficus mucuso | Welw. ex Ficalho | Moraceae | 3 |
| Hibiscus articulatus | Hochst. ex A.Rich. | Malvaceae | 3 |
| Ipomoea wightii | (Wall.) Choisy | Convolvulaceae | 3 |
| Kanahia laniflora | (Forssk.) R.Br. | Apocynaceae | 3 |
| Launaea rarifolia | (Oliv. & Hiern) Boulos | Asteraceae | 3 |
| Manniella gustavi | Rchb.f. | Orchidaceae | 3 |
| Melastomastrum capitatum | (Vahl) A.Fern. & R.Fern. | Melastomataceae | 3 |
| Mitragyna inermis | (Willd.) Kuntze | Rubiaceae | 3 |
| Nephrolepis undulata | (Afzel. ex Sw.) J.Sm. | Nephrolepidaceae | 3 |
| Ophioglossum reticulatum | L. | Ophioglossaceae | 3 |
| Pancratium trianthum | Herb. | Amaryllidaceae | 3 |
| Phragmanthera capitata | (Spreng.) Balle | Loranthaceae | 3 |
| Pogonospermum depauperatum | (T.Anderson) I.Darbysh. & Kiel | Acanthaceae | 3 |
| Rothmannia urcelliformis | (Hiern) Bullock ex Robyns | Rubiaceae | 3 |
| Sesamum radiatum | Thonn. ex Hornem. | Pedaliaceae | 3 |
| Sesamum sesamoides | (Endl.) Byng & Christenh. | Pedaliaceae | 3 |
| Shirakiopsis elliptica | (Hochst.) Esser | Euphorbiaceae | 3 |
| Siphonochilus kirkii | (Hook.f.) B.L.Burtt | Zingiberaceae | 3 |
| Striga hermonthica | (Delile) Benth. | Orobanchaceae | 3 |
| Synsepalum dulcificum | (Schumach. & Thonn.) Daniell | Sapotaceae | 3 |
| Tapinanthus bangwensis | (Engl. & K.Krause) Danser | Loranthaceae | 3 |
| Tragia plukenetii | Radcl.-Sm. | Euphorbiaceae | 3 |
| Treculia africana | Decne. ex Trécul | Moraceae | 3 |
| Trochomeria macrocarpa | (Sond.) Harv. | Cucurbitaceae | 3 |
| Uraria picta | (Jacq.) Desv. ex DC. | Fabaceae | 3 |
| Vitex ferruginea | Schumach. & Thonn. | Lamiaceae | 3 |