Tigridia immaculata (Herb.) Ravenna Tigridia immaculata (Herb.) Ravenna, Extinction is forever: 260. 1977 sec. Munguía-Lino & al. 2017≡Rigidella immaculata Herb., Edward's Bot. Reg. 27: t. 68, misc. 62. 1841 syn. sec. Espejo-Serna & López-Ferrari 2008