Notocactus floricomus var. spinosissimus Frič ex Buining in Succulenta (Netherlands) 1957: 82. 1957 Notocactus floricomus var. spinosissimus Frič ex Buining in Succulenta (Netherlands) 1957: 82. 1957Taxon for this nameNotocactus floricomus var. spinosissimus Frič ex Buining
