Plantae > Tracheophyta > Magnoliopsida > Caryophyllales > Cactaceae > Sclerocactus > Sclerocactus spinosior Sclerocactus spinosior (desert valley fishhook cactus; desert valley fish-hook cactus)Synonyms: Echinocactus whipplei f. spinosior; Echinocactus whipplei var. spinosior (homotypic); Sclerocactus whipplei var. spinosior
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