Notocactus carambeiensis var. villa-velhensis (Backeb. & Voll) Šída in Internoto 12(1): 32. 1991
Notocactus carambeiensis var. villa-velhensis in Internoto 12(1): 32. 1991
is new combination for Notocactus ottonis var. villa-velhensis in Arch. Jard. Bot. Rio de Janeiro 9: 172. 1950