Echinocactus myriostigma subsp. potosinus H.Moeller in Z. Sukkulentenk. 3: 54. 1927
Echinocactus myriostigma subsp. potosinus in Z. Sukkulentenk. 3: 54. 1927
is basionym for Astrophytum myriostigma subsp. potosinum in Kakteen-Freund 1: 57. 1932
is basionym for Astrophytum myriostigma var. potosinum in Borg, Cacti, ed. 1: 251. 1937
is basionym for Astrophytum myriostigma var. potosinum, Verzeichnis Amer. Sukk. Rev. Syst. Kakteen: 20. 1935