| Abrus precatorius | L. | Fabaceae | 8 |
| Abutilon hirtum | (Lam.) Sweet | Malvaceae | 8 |
| Adansonia digitata | L. | Malvaceae | 8 |
| Afzelia quanzensis | Welw. | Fabaceae | 8 |
| Albizia anthelmintica | (A.Rich.) Brongn. | Fabaceae | 8 |
| Albizia harveyi | E.Fourn. | Fabaceae | 8 |
| Albizia versicolor | Welw. ex Oliv. | Fabaceae | 8 |
| Alectra sessiliflora | (Vahl) Kuntze | Orobanchaceae | 8 |
| Allophylus africanus | P.Beauv. | Sapindaceae | 8 |
| Aloe littoralis | Baker | Asphodelaceae | 8 |
| Anthocleista grandiflora | Gilg | Gentianaceae | 8 |
| Antidesma venosum | E.Mey. ex Tul. | Phyllanthaceae | 8 |
| Aristida congesta | Roem. & Schult. | Poaceae | 8 |
| Aristida meridionalis | Henrard | Poaceae | 8 |
| Artabotrys brachypetalus | Benth. | Annonaceae | 8 |
| Asparagus oliveri | (Oberm.) Fellingham & N.L.Mey. | Asparagaceae | 8 |
| Astrohibiscus caesius | (Garcke) McLay & R.L.Barrett | Malvaceae | 8 |
| Asystasia intrusa | (Forssk.) Blume | Acanthaceae | 8 |
| Baikiaea plurijuga | Harms | Fabaceae | 8 |
| Balanites maughamii | Sprague | Zygophyllaceae | 8 |
| Baphia massaiensis | Taub. | Fabaceae | 8 |
| Barleria mackenii | Hook.f. | Acanthaceae | 8 |
| Bauhinia macrantha | Oliv. | Fabaceae | 8 |
| Berchemia discolor | (Klotzsch) Hemsl. | Rhamnaceae | 8 |
| Blepharis integrifolia | (L.f.) E.Mey. & Drège ex Schinz | Acanthaceae | 8 |
| Bobgunnia madagascariensis | (Desv.) J.H.Kirkbr. & Wiersema | Fabaceae | 8 |
| Boerhavia plumbaginea | Cav. | Nyctaginaceae | 8 |
| Boscia albitrunca | (Burch.) Gilg & Gilg-Ben. | Capparaceae | 8 |
| Bridelia cathartica | Bertol. | Phyllanthaceae | 8 |
| Burkea africana | Hook. | Fabaceae | 8 |
| Capparis tomentosa | Lam. | Capparaceae | 8 |
| Cardiospermum corindum | L. | Sapindaceae | 8 |
| Carissa spinarum | L. | Apocynaceae | 8 |
| Cassia abbreviata | Oliv. | Fabaceae | 8 |
| Cenchrus ciliaris | L. | Poaceae | 8 |
| Centella asiatica | (L.) Urb. | Apiaceae | 8 |
| Ceratophyllum demersum | L. | Ceratophyllaceae | 8 |
| Ceropegia meyeri | Decne. | Apocynaceae | 8 |
| Chloris gayana | Kunth | Poaceae | 8 |
| Chlorophytum galpinii | (Baker) Kativu | Asparagaceae | 8 |
| Clitoria ternatea | L. | Fabaceae | 8 |
| Coccinia adoensis | (Hochst. ex A.Rich.) Cogn. | Cucurbitaceae | 8 |
| Cocculus hirsutus | (L.) W.Theob. | Menispermaceae | 8 |
| Coleus hereroensis | (Engl.) A.J.Paton | Lamiaceae | 8 |
| Coleus lasianthus | Gürke | Lamiaceae | 8 |
| Colophospermum mopane | (J.Kirk ex Benth.) J.Léonard | Fabaceae | 8 |
| Combretum apiculatum | Sond. | Combretaceae | 8 |
| Combretum hereroense | Schinz | Combretaceae | 8 |
| Combretum imberbe | Wawra | Combretaceae | 8 |
| Combretum mossambicense | (Klotzsch) Engl. | Combretaceae | 8 |
| Combretum zeyheri | Sond. | Combretaceae | 8 |
| Commelina africana | L. | Commelinaceae | 8 |
| Commelina forskaolii | Vahl | Commelinaceae | 8 |
| Commiphora africana | (A.Rich.) Engl. | Burseraceae | 8 |
| Commiphora glandulosa | Schinz | Burseraceae | 8 |
| Commiphora mollis | (Oliv.) Engl. | Burseraceae | 8 |
| Commiphora tenuipetiolata | Engl. | Burseraceae | 8 |
| Corchorus tridens | L. | Malvaceae | 8 |
| Crabbea velutina | S.Moore | Acanthaceae | 8 |
| Croton gratissimus | Burch. | Euphorbiaceae | 8 |
| Croton megalobotrys | Müll.Arg. | Euphorbiaceae | 8 |
| Croton pseudopulchellus | Pax | Euphorbiaceae | 8 |
| Cryptolepis oblongifolia | (Meisn.) Schltr. | Apocynaceae | 8 |
| Cycnium tubulosum | (L.f.) Engl. | Orobanchaceae | 8 |
| Cynanchum gerrardii | (Harv.) Liede | Apocynaceae | 8 |
| Cynanchum insipidum | (E.Mey.) Liede & Khanum | Apocynaceae | 8 |
| Cynodon dactylon | (L.) Pers. | Poaceae | 8 |
| Cyperus articulatus | L. | Cyperaceae | 8 |
| Cyperus difformis | L. | Cyperaceae | 8 |
| Cyperus esculentus | L. | Cyperaceae | 8 |
| Cyperus laevigatus | L. | Cyperaceae | 8 |
| Cyperus longus | L. | Cyperaceae | 8 |
| Cyperus papyrus | L. | Cyperaceae | 8 |
| Cyperus rotundus | L. | Cyperaceae | 8 |
| Cyperus sphaerospermus | Schrad. | Cyperaceae | 8 |
| Cyphostemma congestum | (Baker) Desc. ex Wild & R.B.Drumm. | Vitaceae | 8 |
| Dalbergia melanoxylon | Guill. & Perr. | Fabaceae | 8 |
| Dichanthium annulatum | (Forssk.) Stapf | Poaceae | 8 |
| Dichrostachys cinerea | (L.) Wight & Arn. | Fabaceae | 8 |
| Digitaria eriantha | Steud. | Poaceae | 8 |
| Dinebra retroflexa | (Vahl) Panz. | Poaceae | 8 |
| Dioscorea bulbifera | L. | Dioscoreaceae | 8 |
| Diospyros lycioides | Desf. | Ebenaceae | 8 |
| Diospyros mespiliformis | Hochst. ex A.DC. | Ebenaceae | 8 |
| Diplachne fusca | (L.) P.Beauv. | Poaceae | 8 |
| Diplorhynchus condylocarpon | (Müll.Arg.) Pichon | Apocynaceae | 8 |
| Dombeya rotundifolia | (Hochst.) Planch. | Malvaceae | 8 |
| Echinochloa pyramidalis | (Lam.) Hitchc. & Chase | Poaceae | 8 |
| Ekebergia capensis | Sparrm. | Meliaceae | 8 |
| Elaeodendron transvaalense | (Burtt Davy) R.H.Archer | Celastraceae | 8 |
| Elionurus tripsacoides | Willd. | Poaceae | 8 |
| Entandrophragma caudatum | (Sprague) Sprague | Meliaceae | 8 |
| Enteropogon macrostachyus | (Hochst. ex A.Rich.) Munro ex Benth. | Poaceae | 8 |
| Eragrostis cilianensis | (All.) Vignolo ex Janch. | Poaceae | 8 |
| Eragrostis pilosa | (L.) P.Beauv. | Poaceae | 8 |
| Eragrostis superba | Peyr. | Poaceae | 8 |
| Erianthemum ngamicum | (Sprague) Danser | Loranthaceae | 8 |
| Erythrococca menyharthii | Prain | Euphorbiaceae | 8 |
| Euclea divinorum | Hiern | Ebenaceae | 8 |
| Euclea undulata | Thunb. | Ebenaceae | 8 |
| Euphorbia ingens | E.Mey. | Euphorbiaceae | 8 |
| Euploca ovalifolia | (Forssk.) Diane & Hilger | Heliotropiaceae | 8 |
| Faidherbia albida | (Delile) A.Chev. | Fabaceae | 8 |
| Ficus capreifolia | Delile | Moraceae | 8 |
| Ficus sur | Forssk. | Moraceae | 8 |
| Ficus sycomorus | L. | Moraceae | 8 |
| Ficus verruculosa | Warb. | Moraceae | 8 |
| Flueggea virosa | (Roxb. ex Willd.) Royle | Phyllanthaceae | 8 |
| Garcinia livingstonei | T.Anderson | Clusiaceae | 8 |
| Gardenia resiniflua | Hiern | Rubiaceae | 8 |
| Gardenia volkensii | K.Schum. | Rubiaceae | 8 |
| Gisekia africana | (Lour.) Kuntze | Gisekiaceae | 8 |
| Gloriosa superba | L. | Colchicaceae | 8 |
| Gomphocarpus fruticosus | (L.) W.T.Aiton | Apocynaceae | 8 |
| Gossypium herbaceum | L. | Malvaceae | 8 |
| Grewia bicolor | Juss. | Malvaceae | 8 |
| Grewia flava | DC. | Malvaceae | 8 |
| Grewia flavescens | Juss. | Malvaceae | 8 |
| Grewia monticola | Sond. | Malvaceae | 8 |
| Grewia tenax | (Forssk.) Fiori | Malvaceae | 8 |
| Grewia villosa | Willd. | Malvaceae | 8 |
| Guibourtia coleosperma | (Benth.) J.Léonard | Fabaceae | 8 |
| Gymnema sylvestre | (Retz.) R.Br. ex Sm. | Apocynaceae | 8 |
| Gymnosporia senegalensis | (Lam.) Loes. | Celastraceae | 8 |
| Gyrocarpus americanus | Jacq. | Hernandiaceae | 8 |
| Harpagophytum zeyheri | Decne. | Pedaliaceae | 8 |
| Helinus integrifolius | (Lam.) Kuntze | Rhamnaceae | 8 |
| Hemarthria altissima | (Poir.) Stapf & C.E.Hubb. | Poaceae | 8 |
| Hermannia glanduligera | K.Schum. | Malvaceae | 8 |
| Heteropogon contortus | (L.) P.Beauv. ex Roem. & Schult. | Poaceae | 8 |
| Hoslundia opposita | Vahl | Lamiaceae | 8 |
| Hydrocotyle verticillata | Thunb. | Araliaceae | 8 |
| Hygrophila abyssinica | (Hochst. ex Nees) T.Anderson | Acanthaceae | 8 |
| Hyperthelia dissoluta | (Nees ex Steud.) Clayton | Poaceae | 8 |
| Hyphaene petersiana | Klotzsch ex Mart. | Arecaceae | 8 |
| Hypoestes forskaolii | (Vahl) R.Br. | Acanthaceae | 8 |
| Indigofera oxalidea | Welw. ex Baker | Fabaceae | 8 |
| Ipomoea aquatica | Forssk. | Convolvulaceae | 8 |
| Ipomoea coptica | (L.) Roth | Convolvulaceae | 8 |
| Ipomoea obscura | (L.) Ker Gawl. | Convolvulaceae | 8 |
| Ipomoea pes-tigridis | L. | Convolvulaceae | 8 |
| Jacquemontia tamnifolia | (L.) Griseb. | Convolvulaceae | 8 |
| Jasminum fluminense | Vell. | Oleaceae | 8 |
| Juncus rigidus | Desf. | Juncaceae | 8 |
| Kalanchoe lanceolata | Pers. | Crassulaceae | 8 |
| Kigelia africana | (Lam.) Benth. | Bignoniaceae | 8 |
| Kirkia acuminata | Oliv. | Kirkiaceae | 8 |
| Lagarosiphon ilicifolius | Oberm. | Hydrocharitaceae | 8 |
| Lannea discolor | (Sond.) Engl. | Anacardiaceae | 8 |
| Laurembergia repens | P.J.Bergius | Haloragaceae | 8 |
| Leersia hexandra | Sw. | Poaceae | 8 |
| Lemna aequinoctialis | Welw. | Araceae | 8 |
| Leptadenia jasminiflora | (Decne.) Bruyns | Apocynaceae | 8 |
| Lessertia benguellensis | Baker | Fabaceae | 8 |
| Limeum sulcatum | (Klotzsch) Hutch. | Limeaceae | 8 |
| Lobelia erinus | L. | Campanulaceae | 8 |
| Lobelia sonderiana | (Kuntze) Lammers | Campanulaceae | 8 |
| Ludwigia leptocarpa | (Nutt.) H.Hara | Onagraceae | 8 |
| Maerua angolensis | DC. | Capparaceae | 8 |
| Maerua schinzii | Pax | Capparaceae | 8 |
| Manilkara mochisia | (Baker) Dubard | Sapotaceae | 8 |
| Markhamia obtusifolia | (Baker) Sprague | Bignoniaceae | 8 |
| Melhania forbesii | Planch. ex Mast. | Malvaceae | 8 |
| Melinis nerviglumis | (Franch.) Zizka | Poaceae | 8 |
| Mimusops zeyheri | Sond. | Sapotaceae | 8 |
| Momordica balsamina | L. | Cucurbitaceae | 8 |
| Monocymbium ceresiiforme | (Nees) Stapf | Poaceae | 8 |
| Mundulea sericea | (Willd.) A.Chev. | Fabaceae | 8 |
| Murdannia simplex | (Vahl) Brenan | Commelinaceae | 8 |
| Myrica serrata | Lam. | Myricaceae | 8 |
| Mystroxylon aethiopicum | (Thunb.) Loes. | Celastraceae | 8 |
| Najas horrida | A.Braun ex Magnus | Hydrocharitaceae | 8 |
| Nelsonia canescens | (Lam.) Spreng. | Acanthaceae | 8 |
| Ochna pulchra | Hook. | Ochnaceae | 8 |
| Ocimum americanum | L. | Lamiaceae | 8 |
| Ocimum gratissimum | L. | Lamiaceae | 8 |
| Olax dissitiflora | Oliv. | Olacaceae | 8 |
| Oldenlandia herbacea | (L.) Roxb. | Rubiaceae | 8 |
| Ottelia muricata | (C.H.Wright) Dandy | Hydrocharitaceae | 8 |
| Ottelia ulvifolia | (Planch.) Walp. | Hydrocharitaceae | 8 |
| Oxygonum alatum | Burch. | Polygonaceae | 8 |
| Oxygonum sinuatum | Dammer | Polygonaceae | 8 |
| Parinari curatellifolia | Planch. ex Benth. | Chrysobalanaceae | 8 |
| Pavetta schumanniana | F.Hoffm. ex K.Schum. | Rubiaceae | 8 |
| Pavonia burchellii | (DC.) R.A.Dyer | Malvaceae | 8 |
| Pavonia senegalensis | (Cav.) Leistner | Malvaceae | 8 |
| Peltophorum africanum | Sond. | Fabaceae | 8 |
| Pergularia daemia | (Forssk.) Chiov. | Apocynaceae | 8 |
| Perotis patens | Gand. | Poaceae | 8 |
| Persicaria decipiens | (R.Br.) K.L.Wilson | Polygonaceae | 8 |
| Philenoptera nelsii | (Schinz) Schrire | Fabaceae | 8 |
| Philenoptera violacea | (Klotzsch) Schrire | Fabaceae | 8 |
| Phoenix reclinata | Jacq. | Arecaceae | 8 |
| Phyla nodiflora | (L.) Greene | Verbenaceae | 8 |
| Phyllanthus maderaspatensis | L. | Phyllanthaceae | 8 |
| Piliostigma thonningii | (Schumach.) Milne-Redh. | Fabaceae | 8 |
| Pistia stratiotes | L. | Araceae | 8 |
| Pogonarthria squarrosa | (Licht.) Pilg. | Poaceae | 8 |
| Pogonospermum divaricatum | (Licht. ex Roem. & Schult.) I.Darbysh. & Kiel | Acanthaceae | 8 |
| Pollichia campestris | Aiton | Caryophyllaceae | 8 |
| Polycarpaea corymbosa | (L.) Lam. | Caryophyllaceae | 8 |
| Pontederia natans | P.Beauv. | Pontederiaceae | 8 |
| Potamogeton nodosus | Poir. | Potamogetonaceae | 8 |
| Potamogeton pusillus | L. | Potamogetonaceae | 8 |
| Protea gaguedi | J.F.Gmel. | Proteaceae | 8 |
| Pseudolachnostylis maprouneifolia | Pax | Phyllanthaceae | 8 |
| Pterocarpus angolensis | DC. | Fabaceae | 8 |
| Pterocarpus rotundifolius | (Sond.) Druce | Fabaceae | 8 |
| Pygmaeothamnus zeyheri | (Sond.) Robyns | Rubiaceae | 8 |
| Raphionacme velutina | Schltr. | Apocynaceae | 8 |
| Rotheca myricoides | (Hochst.) Steane & Mabb. | Lamiaceae | 8 |
| Ruellia prostrata | Poir. | Acanthaceae | 8 |
| Sabdariffa diversifolia | (Jacq.) McLay & R.L.Barrett | Malvaceae | 8 |
| Salvadora persica | L. | Salvadoraceae | 8 |
| Sclerocarya birrea | (A.Rich.) Hochst. | Anacardiaceae | 8 |
| Securidaca longepedunculata | Fresen. | Polygalaceae | 8 |
| Sekanama sanguinea | (Schinz) Speta | Asparagaceae | 8 |
| Senegalia ataxacantha | (DC.) Kyal. & Boatwr. | Fabaceae | 8 |
| Senegalia erubescens | (Welw. ex Oliv.) Kyal. & Boatwr. | Fabaceae | 8 |
| Senegalia galpinii | (Burtt Davy) Seigler & Ebinger | Fabaceae | 8 |
| Senegalia mellifera | (Vahl) Seigler & Ebinger | Fabaceae | 8 |
| Senegalia nigrescens | (Oliv.) P.J.H.Hurter | Fabaceae | 8 |
| Sesamum alatum | Thonn. | Pedaliaceae | 8 |
| Sesbania sesban | (L.) Merr. | Fabaceae | 8 |
| Setaria sagittifolia | (A.Rich.) Walp. | Poaceae | 8 |
| Setaria sphacelata | (Schumach.) Stapf & C.E.Hubb. ex Moss | Poaceae | 8 |
| Sida cordifolia | L. | Malvaceae | 8 |
| Sida spinosa | L. | Malvaceae | 8 |
| Sporobolus fimbriatus | (Nees ex Trin.) Nees | Poaceae | 8 |
| Sterculia africana | (Lour.) Fiori | Malvaceae | 8 |
| Stipagrostis uniplumis | (Licht.) De Winter | Poaceae | 8 |
| Strychnos cocculoides | Baker | Loganiaceae | 8 |
| Strychnos madagascariensis | Poir. | Loganiaceae | 8 |
| Strychnos pungens | Soler. | Loganiaceae | 8 |
| Strychnos spinosa | Lam. | Loganiaceae | 8 |
| Stuckenia pectinata | (L.) Börner | Potamogetonaceae | 8 |
| Syncolostemon bracteosus | (Benth.) D.F.Otieno | Lamiaceae | 8 |
| Syncolostemon canescens | (Gürke) D.F.Otieno | Lamiaceae | 8 |
| Syzygium cordatum | Hochst. ex Krauss | Myrtaceae | 8 |
| Tacazzea apiculata | Oliv. | Apocynaceae | 8 |
| Tapinanthus oleifolius | (J.C.Wendl.) Danser | Loranthaceae | 8 |
| Tephrosia acaciifolia | Welw. ex Baker | Fabaceae | 8 |
| Tephrosia purpurea | (L.) Pers. | Fabaceae | 8 |
| Terminalia brachystemma | Welw. ex Hiern | Combretaceae | 8 |
| Terminalia prunioides | M.A.Lawson | Combretaceae | 8 |
| Terminalia sericea | Burch. ex DC. | Combretaceae | 8 |
| Themeda triandra | Forssk. | Poaceae | 8 |
| Thunbergia reticulata | Hochst. ex Nees | Acanthaceae | 8 |
| Tinnea rhodesiana | S.Moore | Lamiaceae | 8 |
| Trachyandra arvensis | (Schinz) Oberm. | Asphodelaceae | 8 |
| Trachypogon spicatus | (L.f.) Kuntze | Poaceae | 8 |
| Tribulus terrestris | L. | Zygophyllaceae | 8 |
| Trichilia emetica | Vahl | Meliaceae | 8 |
| Tricholaena monachne | (Trin.) Stapf & C.E.Hubb. | Poaceae | 8 |
| Trichoneura grandiglumis | Ekman | Poaceae | 8 |
| Urginavia altissima | (L.f.) Speta | Asparagaceae | 8 |
| Urochloa deflexa | (Schumach.) H.Scholz | Poaceae | 8 |
| Urochloa nigropedata | (Munro ex Ficalho & Hiern) A.M.Torres & C.M.Morton | Poaceae | 8 |
| Urochloa trichopus | (Hochst.) Stapf | Poaceae | 8 |
| Utricularia arenaria | A.DC. | Lentibulariaceae | 8 |
| Vachellia erioloba | (E.Mey.) P.J.H.Hurter | Fabaceae | 8 |
| Vachellia hebeclada | (DC.) Kyal. & Boatwr. | Fabaceae | 8 |
| Vachellia karroo | (Hayne) Banfi & Galasso | Fabaceae | 8 |
| Vachellia nilotica | (L.) P.J.H.Hurter & Mabb. | Fabaceae | 8 |
| Vachellia robusta | (Burch.) Kyal. & Boatwr. | Fabaceae | 8 |
| Vachellia sieberiana | (DC.) Kyal. & Boatwr. | Fabaceae | 8 |
| Vachellia tortilis | (Forssk.) Galasso & Banfi | Fabaceae | 8 |
| Vahlia capensis | (L.f.) Thunb. | Vahliaceae | 8 |
| Vallisneria spiralis | L. | Hydrocharitaceae | 8 |
| Vangueria infausta | Burch. | Rubiaceae | 8 |
| Vigna unguiculata | (L.) Walp. | Fabaceae | 8 |
| Wahlenbergia undulata | A.DC. | Campanulaceae | 8 |
| Xenostegia tridentata | (L.) D.F.Austin & Staples | Convolvulaceae | 8 |
| Ximenia afra | Sond. | Olacaceae | 8 |
| Ximenia americana | L. | Olacaceae | 8 |
| Ziziphus mucronata | Willd. | Rhamnaceae | 8 |
| Zornia milneana | Mohlenbr. | Fabaceae | 8 |
| Albizia antunesiana | Harms | Fabaceae | 7 |
| Alloteropsis cimicina | (L.) Stapf | Poaceae | 7 |
| Kedrostis foetidissima | (Jacq.) Cogn. | Cucurbitaceae | 7 |
| Ottelia kunenensis | (Gürke) Dandy | Hydrocharitaceae | 7 |
| Paropsia brazzaeana | Baill. | Passifloraceae | 7 |
| Rhigozum brevispinosum | Kuntze | Bignoniaceae | 7 |
| Senegalia schweinfurthii | (Brenan & Exell) Seigler & Ebinger | Fabaceae | 7 |
| Boscia mossambicensis | Klotzsch | Capparaceae | 6 |
| Camptorrhiza strumosa | (Baker) Oberm. | Colchicaceae | 6 |
| Convolvulus aschersonii | Engl. | Convolvulaceae | 6 |
| Croton menyharthii | Pax | Euphorbiaceae | 6 |
| Cyperus margaritaceus | Vahl | Cyperaceae | 6 |
| Duvalia polita | N.E.Br. | Apocynaceae | 6 |
| Euphorbia matabelensis | Zahlbr. | Euphorbiaceae | 6 |
| Margaritaria discoidea | (Baill.) G.L.Webster | Phyllanthaceae | 6 |
| Microchloa kunthii | Desv. | Poaceae | 6 |
| Paspalum scrobiculatum | L. | Poaceae | 6 |
| Pavonia clathrata | Mast. | Malvaceae | 6 |
| Spermacoce senensis | (Klotzsch) Hiern | Rubiaceae | 6 |
| Stephanotis macrantha | (Klotzsch) S.Reuss, Liede & Meve | Apocynaceae | 6 |
| Strophanthus kombe | Oliv. | Apocynaceae | 6 |
| Vangueriopsis lanciflora | (Hiern) Robyns | Rubiaceae | 6 |
| Ammannia crassicaulis | Guill. & Perr. | Lythraceae | 5 |
| Andropogon gayanus | Kunth | Poaceae | 5 |
| Barleria matopensis | S.Moore | Acanthaceae | 5 |
| Cissampelos mucronata | A.Rich. | Menispermaceae | 5 |
| Cyperus pectinatus | Vahl | Cyperaceae | 5 |
| Dactyloctenium giganteum | B.S.Fisher & Schweick. | Poaceae | 5 |
| Eragrostis rotifer | Rendle | Poaceae | 5 |
| Euphorbia monteiroi | Hook.f. | Euphorbiaceae | 5 |
| Fuirena ciliaris | (L.) Roxb. | Cyperaceae | 5 |
| Hymenocardia acida | Tul. | Phyllanthaceae | 5 |
| Markhamia zanzibarica | (Bojer ex DC.) K.Schum. | Bignoniaceae | 5 |
| Schinziophyton rautanenii | (Schinz) Radcl.-Sm. | Euphorbiaceae | 5 |
| Searsia tenuinervis | (Engl.) Moffett | Anacardiaceae | 5 |
| Senegalia fleckii | (Schinz) Boatwr. | Fabaceae | 5 |
| Aganope stuhlmannii | (Taub.) Adema | Fabaceae | 4 |
| Citropsis daweana | Swingle & Kellerm. | Rutaceae | 4 |
| Colchicum roseum | (Engl.) J.C.Manning & Vinn. | Colchicaceae | 4 |
| Cordia pilosissima | Baker | Cordiaceae | 4 |
| Crinum carolo-schmidtii | Dinter | Amaryllidaceae | 4 |
| Crinum subcernuum | Baker | Amaryllidaceae | 4 |
| Eragrostis gangetica | (Roxb.) Steud. | Poaceae | 4 |
| Ficus pygmaea | Welw. ex Hiern | Moraceae | 4 |
| Fockea multiflora | K.Schum. | Apocynaceae | 4 |
| Hermannia eenii | Baker | Malvaceae | 4 |
| Ipomoea verbascoidea | Choisy | Convolvulaceae | 4 |
| Loeseneriella africana | (Willd.) R.Wilczek | Celastraceae | 4 |
| Neorautanenia mitis | (A.Rich.) Verdc. | Fabaceae | 4 |
| Nymphoides senegalensis | (G.Don) Tippery | Menyanthaceae | 4 |
| Ochna cinnabarina | Engl. & Gilg | Ochnaceae | 4 |
| Pavetta gardeniifolia | Hochst. ex A.Rich. | Rubiaceae | 4 |
| Reissantia indica | (Willd.) N.Hallé | Celastraceae | 4 |
| Sabdariffa nigricaulis | (Baker f.) Mwachala & R.L.Barrett | Malvaceae | 4 |
| Schoenoplectiella articulata | (L.) Lye | Cyperaceae | 4 |
| Searsia marlothii | (Engl.) Moffett | Anacardiaceae | 4 |
| Seddera suffruticosa | (Schinz) Hallier f. | Convolvulaceae | 4 |
| Ammannia radicans | (Guill. & Perr.) S.A.Graham & Gandhi | Lythraceae | 3 |
| Ammannia rigidula | (Sond.) S.A.Graham & Gandhi | Lythraceae | 3 |
| Annona nana | Exell | Annonaceae | 3 |
| Cenchrus biflorus | Roxb. | Poaceae | 3 |
| Combretum sericeum | G.Don | Combretaceae | 3 |
| Commelina fluviatilis | Brenan | Commelinaceae | 3 |
| Crotalaria flavicarinata | Baker f. | Fabaceae | 3 |
| Hibiscus articulatus | Hochst. ex A.Rich. | Malvaceae | 3 |
| Sesamum sesamoides | (Endl.) Byng & Christenh. | Pedaliaceae | 3 |
| Siphonochilus kirkii | (Hook.f.) B.L.Burtt | Zingiberaceae | 3 |
| Thespesia garckeana | F.Hoffm. | Malvaceae | 3 |
| Vitex ferruginea | Schumach. & Thonn. | Lamiaceae | 3 |