Notocactus minisculus Hofacker & K.Herm in Internoto 17(3): 75–79. 1996
Notocactus minisculus in Internoto 17(3): 75–79. 1996
is basionym for Notocactus ottonis var. minusculus in Internoto 25: 66. 2004
is basionym for Notocactus minusculus in Internoto 17: 75. 1996
is orthographic variant for Notocactus minusculus