Bali Ngemba (Cameroon), 2-quinolines, Vepris onanae, Cameroon, Onanaenine B (2), Quinolines, and Onanaenine A (1)

New species, Psychotria elephantina, Rainforests, Cameroon, and Endangered species

Leptonychia, Conservation, New species, Cameroon, Forest, Nigeria, Taxonomy, West-Central Africa, and Bioko (Equatorial Guinea)

West Africa, Guinea, Trees, Plant conservation, Tropical Important Plant Areas, Cameroon, and Threatened species