Triphora trianthophora (Sw.) Rydb. Triphora trianthophora (Sw.) Rydb., Man. Fl. N. States: 298. 1901 sec. Soto-Arenas & al. 2007≡Arethusa trianthophoros Sw. in Kongl. Svenska Vetensk. Acad. Handl. 21: 230. 1800 syn. sec. Solano Gómez & al. 2020