Echinocactus viridescens Torr. & A.Gray, Fl. N. Amer. 1(4): 554. 1840
Echinocactus viridescens, Fl. N. Amer. 1(4): 554. 1840
is basionym for Ferocactus viridescens, Cactaceae 3: 140. 1922
is basionym for Ferocactus viridescens var. viridescens
Echinocactus viridescens, Fl. N. Amer. 1(4): 554. 1840
Taxon for this name