Notocactus ottonis var. minusculus (Hofacker & K.Herm) N.Gerloff & Neduchal in Internoto 25: 66. 2004 Notocactus ottonis var. minusculus (Hofacker & K.Herm) N.Gerloff & Neduchal in Internoto 25: 66. 2004is new combination for Notocactus minisculus Hofacker & K.Herm in Internoto 17(3): 75–79. 1996Taxon for this nameNotocactus ottonis var. minusculus (Hofacker & K.Herm) N.Gerloff & Neduchal