Epithelantha pachyrhiza subsp. elongata (Backeb.) D.Donati & Zanov. in Piante Grasse 30: 185. 2010
Epithelantha pachyrhiza subsp. elongata in Piante Grasse 30: 185. 2010
is new combination for Epithelantha pachyrhiza var. elongata in Cactus (Paris) 39: 32. 1954