Gymnocalycium erinaceum var. paucisquamosum Piltz in Gymnos 11(21): 14. 1994 Gymnocalycium erinaceum var. paucisquamosum Piltz in Gymnos 11(21): 14. 1994Taxon for this nameGymnocalycium erinaceum var. paucisquamosum Piltz