Petrosavia is a genus in the family Petrosaviaceae. It includes three mycoheterotrophic species from eastern and southeastern Asia.Petrosavia amamiensis Hir.Takah., T.Yukawa & M.Maki Petrosavia sakuraii (Makino) J.J.Sm. ex Steenis - Japan, China, Vietnam, Myanmar, Sumatra Petrosavia sinii (K.Krause) Gagnep. in H.Lecomte - Guangxi Province of China Petrosavia stellaris Becc. - Borneo, Sulawesi, Sumatra, Peninsular Malaysia