Tigridia orthantha (Lem.) Ravenna Tigridia orthantha (Lem.) Ravenna, Extinction is forever: 260. 1977 sec. Munguía-Lino & al. 2017≡Rigidella orthantha Lem., Fl. Serres 1: 107-109. t. 1845 syn. sec. Espejo-Serna & López-Ferrari 2008