Sclerocactus unguispinus var. durangensis (Runge) N.P.Taylor in Bradleya 5: 94. 1987
Sclerocactus unguispinus var. durangensis in Bradleya 5: 94. 1987
is new combination for Echinocactus durangensis in Hamburger Garten- Blumenzeitung 56: 231. 1890
Sclerocactus unguispinus var. durangensis in Bradleya 5: 94. 1987
Taxon for this name