| Taxon | Collecteur | Numéro | Station de collecte |
|---|---|---|---|
| Hyparrhenia rufa (Nees) Stapf | Piot J. | 363 | Wakwa |
| Coelorachis afraurita (Stapf) Stapf | Piot J. | 366JP | Wakwa |
| Setaria longiseta P.Beauv. | Piot J. | 424 | Wakwa |
| Vernonia perrottetii Sch. Bip. ex Walp. | Breteler F.J. | 443 | Wakwa |
| Desmodium ramosissimum G.Don | Piot J. | 456PJ | Wakwa |
| Eriosema sp. | Piot J. | 468PJ | Wakwa |
| Vernonia undulata Oliv. & Hiern | Piot J. | 471PJ | Wakwa |
| Celosia trigyna L. | Breteler F.J. | 474 | Wakwa |
| Aspilia spenceriana Muschl. | Piot J. | 478PJ | Wakwa |
| Aspilia mortonii C.D.Adams | Piot J. | 484PJ | Wakwa |
| Echinops giganteus A.Rich. | Piot J. | 485PJ | Wakwa |
| Vernonia guineensis Benth. var Cameroonica C.D.Adams | Piot J. | 486PJ | Wakwa |
| Chloris pycnothrix Trin. | Breteler F.J. | 488 | Wakwa |
| Achyranthes aspera L. var. sicula L. | Breteler F.J. | 604 | Wakwa |
| Hyparrhenia welwitschii (Rendle) Stapf | van der Zon A.P.M. | 3420 | Wakwa |
| Vitex sp. | Geerling C. | 5740 | Wakwa |
| Sphenostylis schweinfurthii Harms | Geerling C. | 5746 | Wakwa |
| Erythrina sigmoidea Hua | Geerling C. | 5749 | Wakwa |
| Vernonia smithiana Less. | Leeuwenberg A.J.M. | 7640 | Wakwa |
| Vernonia ambigua Kotschy & Peyr. | Raynal J. | 12200 | Wakwa |
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