Epithelantha micromeris subsp. pachyrhiza (W.T.Marshall) N.P.Taylor in Cactaceae Consensus Init. 5: 13. 1998
Epithelantha micromeris subsp. pachyrhiza in Cactaceae Consensus Init. 5: 13. 1998
is new combination for Epithelantha micromeris var. pachyrhiza in Cact. Succ. J. (Los Angeles) 16: 161. 1944