Frailea pygmaea subsp. altigibbera (F.Ritter) P.J.Braun & Esteves in Succulenta (Netherlands) 74: 131. 1995
Frailea pygmaea subsp. altigibbera in Succulenta (Netherlands) 74: 131. 1995
is new combination for Frailea pygmaea var. altigibbera, Kakteen Südamerika 1: 203. 1979