Classic texts: Sturtevant 1919.
Ferocactus hamatacanthus
Ferocactus hamatacanthus (Muehlenp.) Britt. & Rose.
Engl.: turk's head.
Bot. syn.: Echinocactus hamatacanthus Muehlenp., Echinocactus longihamatus Gal.
Classic texts: Sturtevant 1919.