Ferocactus wislizeni (Engelm.) Britton & Rose, Arizona barrel

NEON Biorepository Data Portal - Ferocactus wislizeni

CHUXAY GARDEN 25 Seeds Ferocactus Wislizeni,Fishhook

Ferocactus wislizeni - Wikispecies

USDA Plants Database

Ferocactus wislizeni (Arizona Barrel Cactus) - World of Flowering

Ferocactus wislizeni - Wikipedia

Ferocactus wislizeni - World of Succulents

RARE Ferocactus Wislizeni Var. Ajoensis Fish Hook Desert Barrel

Ferocactus wislizeni var. herrerae