Ritterocactus langsdorfii subsp. pulvinatus (Vliet) Doweld in Sukkulenty 3: 60. 2000
Ritterocactus langsdorfii subsp. pulvinatus in Sukkulenty 3: 60. 2000
is new combination for Notocactus pulvinatus in Succulenta (Netherlands) 49: 50. 1970
Ritterocactus langsdorfii subsp. pulvinatus in Sukkulenty 3: 60. 2000
Taxon for this name