Cereus pruinosus (Otto ex Pfeiff.) C.F.Först., Handb. Cacteenk.: 398. 1846
Cereus pruinosus, Handb. Cacteenk.: 398. 1846
is new combination for Echinocactus pruinosus, Enum. Diagn. Cact.: 54. 1837
Cereus pruinosus, Handb. Cacteenk.: 398. 1846
Taxon for this name