Echinocactus pulcherrimus Arechav. in Anales Mus. Nac. Montevideo 5: 222. 1905
Echinocactus pulcherrimus in Anales Mus. Nac. Montevideo 5: 222. 1905
is basionym for Frailea pulcherrima in Anales Soc. Ci. Argent. 99: 131. 1925
is basionym for Astrophytum pulcherrimum in Acta Mus. Richnov., Sect. Nat., 12(1): 14. 2005
is basionym for Malacocarpus pulcherrimus, Cactaceae 3: 194, f. 206. 1922
is basionym for Frailea pygmaea var. pulcherrima, Gattung Frailea: 84. 1997