Astrophytum quadricostatum (H.Moeller) Houghton in J. Cact. Succ. Soc. Amer. 1: 157. 1930
Astrophytum quadricostatum in J. Cact. Succ. Soc. Amer. 1: 157. 1930
is new combination for Echinocactus myriostigma subsp. quadricostatus in Z. Sukkulentenk. 3: 54. 1927