Epithelantha micromeris var. pachyrhiza W.T.Marshall in Cact. Succ. J. (Los Angeles) 16: 161. 1944
Epithelantha micromeris var. pachyrhiza in Cact. Succ. J. (Los Angeles) 16: 161. 1944
is basionym for Epithelantha micromeris subsp. pachyrhiza in Cactaceae Consensus Init. 5: 13. 1998
is basionym for Epithelantha pachyrhiza in Cactus (Paris) 39: 31. 1954
Type: Mexico. Coahuila: Rancho San José de Perral, eighteen miles southeast of Saltillo, R. E. Flores s.n., not located; Lectotype: [illustration] “Epithelantha micromeris var. pachyrhiza var. nov.” in Marshall, Cact. Succ. J. (Los Angeles) 16: 161. 19441