Frailea castanea var. perumbilicata (F.Ritter) Prestlé, Gattung Frailea: 213. 1997
Frailea castanea var. perumbilicata, Gattung Frailea: 213. 1997
is new combination for Frailea perumbilicata in Succulenta (Netherlands) 49: 125. 1970
Frailea castanea var. perumbilicata, Gattung Frailea: 213. 1997
Taxon for this name