Epithelantha micromeris var. rufispina (Bravo) Backeb. in Cactus (Paris) 40: 57. 1954
Epithelantha micromeris var. rufispina in Cactus (Paris) 40: 57. 1954
is new combination for Epithelantha rufispina in Anales Inst. Biol. Univ. Nac. México 22: 22. 1951