| Sabicea mildbraedii Wernham |
Dessein |
1987 |
NE Doudou Mountains, track to Mount Igoumbi. |
| Parapentas setigera (Hiern) Verdc. |
Dessein |
1988 |
NE Doudou Mountains, track to Mount Igoumbi. |
| Mussaenda tenuiflora Benth. |
Dessein |
1989 |
NE Doudou Mountains, track to Mount Igoumbi. |
| Keetia E.Phillips |
Dessein |
1990 |
NE Doudou Mountains, track to Mount Igoumbi. |
| Psychotria le-testui (De Wild.) N.Hallé ex O.Lachenaud |
Dessein |
1991 |
NE Doudou Mountains, track to Mount Igoumbi. |
| Impatiens palpebrata Hook.f. |
Dessein |
1992 |
Mount Igoumbi. |
| Afrostyrax lepidophyllus Mildbr. |
Dessein |
1993 |
Mount Igoumbi. |
| Coffea L. |
Dessein |
1994 |
Mount Igoumbi. |
| Psychotria rambouensis De Wild. |
Dessein |
1995 |
Mount Igoumbi. |
| Pauridiantha crystallina (N.Hallé) Smedmark & B.Bremer |
Dessein |
1996 |
Mount Igoumbi. |
| Impatiens palpebrata Hook.f. |
Dessein |
1997 |
Mount Igoumbi. |
| Pentaloncha Hook.f. |
Dessein |
1998 |
Mount Igoumbi. |
| Sabicea hierniana Wernham |
Dessein |
1999 |
Mount Igoumbi. |
| Impatiens niamniamensis Gilg |
Dessein |
2000 |
Mount Igoumbi. |
| Impatiens hians Hook.f. |
Dessein |
2001 |
Mount Igoumbi. |
| Hymenocoleus neurodictyon (K.Schum.) Robbr. var. neurodictyon |
Dessein |
2002 |
Mount Igoumbi. |
| Bertiera batesii Wernham |
Dessein |
2003 |
Mount Igoumbi. |
| Cuviera subuliflora Benth. |
Dessein |
2004 |
Rembo, on Guidouma – Mouila road. |
| Morinda morindoides (Baker) Milne-Redh. |
Dessein |
2005 |
28 km from Mouila, along Mouila-Mimongo road. |
| Mostuea neurocarpa Gilg |
Dessein |
2006 |
36 km from Mouila, along Mouila-Mimongo road. |