Melocactus concinnus subsp. axiniphorus (Buining & Brederoo) P.J.Braun & Esteves in Schumannia 3: 188. 2002
Melocactus concinnus subsp. axiniphorus in Schumannia 3: 188. 2002
is new combination for Melocactus axiniphorus in Succulenta (Netherlands) 55(10): 194. 1976