Epithelantha micromeris var. elongata Backeb. in Cactus (Paris) 40: 62. 1954 Epithelantha micromeris var. elongata Backeb. in Cactus (Paris) 40: 62. 1954is basionym for Epithelantha micromeris f. elongata (Backeb.) Bravo in Cact. Suc. Mex. 25: 65. 1980Taxon for this nameEpithelantha micromeris var. elongata Backeb.