Echinocactus scopa var. albicans Arechav. in Anales Mus. Nac. Montevideo 5: 199. 1905
Echinocactus scopa var. albicans in Anales Mus. Nac. Montevideo 5: 199. 1905
is basionym for Notocactus scopa f. albicans in Internoto 24: 55. 2003
is basionym for Echinocactus scopa f. albicans, Kakteen: 215. 1926
is basionym for Notocactus scopa var. albicans in Internoto 11: 69. 1990