| Dialium guineense Willd. |
Leeuwenberg |
11563 |
8 km SSW of Makoukou, near Ivindo R., right bank. |
| Scorodophloeus zenkeri Harms |
Leeuwenberg |
11568 |
10 km SSW of Makoukou, near Ivindo R., right bank. |
| Tabernanthe iboga Baill. |
Leeuwenberg |
12400 |
CULT.! in village 13 km SE of Libreville. |
| Rauvolfia vomitoria Afzel. |
Leeuwenberg |
12403 |
Sibang Arboretum, E. of Libreville. |
| Rauvolfia mannii Stapf |
Leeuwenberg |
12405 |
Cap Esterias, 2 km S. of Cape, = 28 km NW of Libreville. |
| Baissea leonensis Benth. |
Leeuwenberg |
12407 |
Cap Esterias, 2 km S. of Cape, = 28 km NW of Libreville. |
| Landolphia pyramidata (Pierre) J.G.M.Pers. |
Leeuwenberg |
12408 |
Cap Esterias, 2 km S. of Cape, = 28 km NW of Libreville. |
| Strophanthus gratus (Wall. & Hook.) Baill. |
Leeuwenberg |
12412 |
km 30 Bifoun - Ndjolé road. |
| Strophanthus gratus (Wall. & Hook.) Baill. |
Leeuwenberg |
12412 |
km 30 Bifoun - Ndjolé road. |
| Funtumia africana (Benth.) Stapf |
Leeuwenberg |
12413 |
km 30 Bifoun - Ndjolé road. |
| Duparquetia orchidacea Baill. |
Leeuwenberg |
12418 |
km 25 Alembé - Ayem; near Ogooué R., right bank. |
| Holarrhena floribunda (G.Don) T.Durand & Schinz |
Leeuwenberg |
12419 |
km 26 Alembé - Ayem; near Ogooué R., right bank. |
| Vahadenia laurentii (De Wild.) Stapf |
Leeuwenberg |
12420 |
km 30 Alembé - Ayem; near Ogooué R., right bank; = 5 km W of Ngollo R. |
| Rauvolfia caffra Sond. |
Leeuwenberg |
12421 |
km 28 Alembé - Ayem; near Ogooué R., right bank; = 1 km W of Ngollo R. |
| Rauvolfia vomitoria Afzel. |
Leeuwenberg |
12422 |
km 28 Alembé - Ayem; near Ogooué R., right bank; = 1 km W of Ngollo R. |
| Xylopia aethiopica (Dunal) A.Rich. |
Leeuwenberg |
12424 |
Res. de Lopé-Okanda, 1 km S. of Campement (= 26 km E. of Ayem). |
| Senna alata (L.) Roxb. |
Leeuwenberg |
12428 |
2 km W. of km 39 Kongo Boumba - Lastoursville road, Res. Lopé - Okanda. |
| Thomandersia hensii De Wild. & T.Durand |
Leeuwenberg |
12429 |
10 km W. of km 39 Kongo Boumba - Lastoursville road, Res. Lopé - Okanda. |
| Pycnobotrya nitida Benth. |
Leeuwenberg |
12432 |
10 km W. of km 39 Kongo Boumba - Lastoursville road, Res. Lopé - Okanda. |
| Baissea baillonii Hua |
Leeuwenberg |
12433 |
10 km W. of km 39 Kongo Boumba - Lastoursville road, Res. Lopé - Okanda. |