| Taxon | Collecteur | Numéro | Station de collecte |
|---|---|---|---|
| Baphia pilosa Baill. | Breteler F.J. | 11490 | Near Yeno. |
| Newbouldia laevis (P.Beauv.) Seem. | Breteler F.J. | 13941 | Near Yombi, Fougamou-Mouila Road. |
| Salacia debilis (G.Don) Walp. | Breteler F.J. | 13991 | near Yombi on Fougamou - Mouila Road. |
| Loesenera gabonensis Pellegr. | Breteler F.J. | 13988 | near Yombi, on Fougamou-Mouila road. Koumounabouali ridge. |
| Aulacocalyx subulata (N.Hallé) Figueiredo subsp. subulata | Breteler F.J. | 13989 | near Yombi, on Fougamou-Mouila road. Koumounabouali ridge. |
| Sabicea Aubl. | Dessein S. | 1965 | NE Doudou Mountains, track to Mount Igoumbi. |
| Psychotria mangenotii (Aké Assi) Verdc. | Dessein S. | 1966 | NE Doudou Mountains, track to Mount Igoumbi. |
| Mostuea Didr. | Dessein S. | 1967 | NE Doudou Mountains, track to Mount Igoumbi. |
| Rytigynia subcordata O.Lachenaud | Dessein S. | 1968 | NE Doudou Mountains, track to Mount Igoumbi. |
| Psydrax acutiflora (Hiern) Bridson | Dessein S. | 1969 | NE Doudou Mountains, track to Mount Igoumbi. |
| Keetia gueinzii (Sond.) Bridson | Dessein S. | 1970 | NE Doudou Mountains, track to Mount Igoumbi. |
| Diodella sarmentosa (Sw.) Bacigalupo & Cabral | Dessein S. | 1971 | NE Doudou Mountains, track to Mount Igoumbi. |
| Rytigynia robusta O.Lachenaud | Dessein S. | 1972 | NE Doudou Mountains, track to Mount Igoumbi. |
| Psychotria rubripilis K.Schum. | Dessein S. | 1973 | NE Doudou Mountains, track to Mount Igoumbi. |
| Psychotria neurosticta O.Lachenaud | Dessein S. | 1974 | NE Doudou Mountains, track to Mount Igoumbi. |
| Chazaliella E.M.A.Petit & Verdc. | Dessein S. | 1975 | NE Doudou Mountains, track to Mount Igoumbi. |
| Hymenocoleus libericus (A.Chev. ex Hutch. & Dalziel) Robbr. | Dessein S. | 1976 | NE Doudou Mountains, track to Mount Igoumbi. |
| Rothmannia liebrechtsiana (De Wild. & T.Durand) Keay | Dessein S. | 1977 | NE Doudou Mountains, track to Mount Igoumbi. |
| Psychotria mannii Hiern | Dessein S. | 1978 | NE Doudou Mountains, track to Mount Igoumbi. |
| Atractogyne gabonii Pierre | Dessein S. | 1979 | NE Doudou Mountains, track to Mount Igoumbi. |
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