Echinocactus glaucescens DC. in Mém. Mus. Hist. Nat. 17: 115. 1828
Echinocactus glaucescens in Mém. Mus. Hist. Nat. 17: 115. 1828
is basionym for Ferocactus glaucescens, Cactaceae 3: 137. 1922
is basionym for Parrycactus glaucescens in Novosti Sist. Vyssh. Rast. 32: 118. 2000