Scientific report: Reproductive biology study of Cyrtorchis letouzeyi, a rare and (sub)endemic orchid in the Dja Faunal Reserve, Cameroon.
Comparison of the ecology and distribution of the Poaceae flora on inselbergs embedded in savannah (Benin) or in rain forest (Western central Africa)
Trois especes et trois cominaisons nouvelles de Polystachya (Orchidaceae) du Cameroun, de Guinee Equatoriale et du Gabon
