Neoporteria echinus var. floccosa (F.Ritter) Ferryman, Cacti Illustr. Dict.: 242. 1991
Neoporteria echinus var. floccosa, Cacti Illustr. Dict.: 242. 1991
is new combination for Pyrrhocactus floccosus in Taxon 12: 32. 1963
Neoporteria echinus var. floccosa, Cacti Illustr. Dict.: 242. 1991
Taxon for this name