Astrophytum myriostigma subsp. quadricostatum (H.Moeller) K.Kayser in Kakteen-Freund 1: 57. 1932
Astrophytum myriostigma subsp. quadricostatum in Kakteen-Freund 1: 57. 1932
is new combination for Echinocactus myriostigma subsp. quadricostatus in Z. Sukkulentenk. 3: 54. 1927