Place of Publication
Succulenta (Netherlands) 39(6): 65 (1960)
References
-
Ritter (1960f)
Ritter, F. 1960. Pyrrhocactus robutus Ritter spec. nova. Succulenta (Netherlands) 39(6):65-68
Pyrrhocactus robustus
var.
vegasanus
is a synonym of:
Eriosyce robusta
F.Ritter) P.C.Guerrero & Helmut Walter
Succulenta (Netherlands) 39(6): 65 (1960)
Ritter, F. 1960. Pyrrhocactus robutus Ritter spec. nova. Succulenta (Netherlands) 39(6):65-68