Notocactus scopa f. machadoensis (W.R.Abraham) N.Gerloff & Neduchal in Internoto 24: 57. 2003
Notocactus scopa f. machadoensis in Internoto 24: 57. 2003
is new combination for Notocactus scopa var. machadoensis in Succulenta (Netherlands) 67: 81. 1988