Synonyms
Epithelantha pachyrhiza var. elongata Backeb.
Epithelantha pachyrhiza subsp. parvula D.Donati & Zanov.
Epithelantha micromeris subsp. pachyrhiza (W.T.Marshall) N.P.Taylor
Epithelantha micromeris var. pachyrhiza W.T.Marshall
Epithelantha micromeris f. elongata (Backeb.) Bravo
Epithelantha micromeris var. elongata Backeb.
Epithelantha pachyrhiza subsp. elongata (Backeb.) D.Donati & Zanov.