Notocactus scopa var. machadoensis W.R.Abraham in Succulenta (Netherlands) 67: 81. 1988
Notocactus scopa var. machadoensis in Succulenta (Netherlands) 67: 81. 1988
is basionym for Notocactus scopa f. machadoensis in Internoto 24: 57. 2003
Notocactus scopa var. machadoensis in Succulenta (Netherlands) 67: 81. 1988
Taxon for this name