Triphora mexicana (S. Watson) Schltr. Triphora mexicana (S. Watson) Schltr. in Repert. Spec. Nov. Regni Veg. Beih. 17: 139. 1921 sec. Soto-Arenas & al. 2007≡Pogonia mexicana S. Watson in Proc. Amer. Acad. Arts 26: 154. 1891 syn. sec. Soto-Arenas & al. 2007