Mammillaria microcarpa var. auricarpa W.T.Marshall in Des. Bot. Gard. Ariz. 1: 106. 1950
Mammillaria microcarpa var. auricarpa in Des. Bot. Gard. Ariz. 1: 106. 1950
is basionym for Mammillaria microcarpa f. auricarpa in Succulenta (Netherlands) 65: 3. 1986
is basionym for Mammillaria milleri f. auricarpa in Succulenta (Netherlands) 65: 119. 1986