Frailea cataphracta (Dams) Britton & Rose, Cactaceae 3: 210. 1922 Frailea cataphracta (Dams) Britton & Rose, Cactaceae 3: 210. 1922is new combination for Echinocactus cataphractus Dams in Monatsschr. Kakteenk. 14: 172. 1904Taxon for this nameFrailea cataphracta (Dams) Britton & Rose, Cactaceae 3: 210. 1922