Sclerocactus polyancistrus (Engelm. & J.M.Bigelow) Britton & Rose, Cactaceae 3: 213. 1922
Sclerocactus polyancistrus, Cactaceae 3: 213. 1922
is new combination for Echinocactus polyancistrus in Proc. Amer. Acad. Arts 3: 272. 1856
Sclerocactus polyancistrus, Cactaceae 3: 213. 1922