A.P.Davis & Bridson (Cavaco) No year - Davis AP, Govaerts R, Bridson DM (2007) New combinations in Madagascan Vanguerieae (Rubiaceae) for the genera Psydrax, Pyrostria, and Rytigynia. Blumea - Biodiversity, Evolution And Biogeography of Plants 52(1): 139-146. doi: 10.3767/000651907x612382.
No known synonyms