Synonyms
Echinocactus myriostigma var. quadricostatus H.Moeller
Astrophytum myriostigma subsp. tamaulipense (A.F.Moeller) K.Kayser
Astrophytum myriostigma var. quadricostatum (H.Moeller) A.F.Moeller
Astrophytum quadricostatum (H.Moeller) Houghton
Astrophytum tamaulipense Houghton
Astrophytum myriostigma var. tamaulipense A.F.Moeller