Echinocactus myriostigma subsp. quadricostatus H.Moeller in Z. Sukkulentenk. 3: 54. 1927
Echinocactus myriostigma subsp. quadricostatus in Z. Sukkulentenk. 3: 54. 1927
is basionym for Astrophytum quadricostatum in J. Cact. Succ. Soc. Amer. 1: 157. 1930
is basionym for Astrophytum myriostigma var. quadricostatum, Cacti, ed. 1: 251. 1937
is basionym for Astrophytum myriostigma var. quadricostatum in Kakteenkunde 1933: 205. 1933
is basionym for Astrophytum myriostigma subsp. quadricostatum in Kakteen-Freund 1: 57. 1932
is basionym for Echinocactus myriostigma var. quadricostatus in Z. Sukkulentenk. 3: 54. 1927