Place of Publication
Succulenta (Netherlands) 39(7): 82-83 (1960g)
References
-
Ritter (1960g)
Ritter, F. 1960g. Pyrrhocactus wagenknechtii Ritter spec. nova. Succulenta (Netherlands) 39(7):82-83
Pyrrhocactus wagenknechtii
Eriosyce heinrichiana
(Backeb.) Katt.
Eriosyce subgibbosa
(Haw.) Katt.
subsp.
wagenknechtii
Succulenta (Netherlands) 39(7): 82-83 (1960g)
Ritter, F. 1960g. Pyrrhocactus wagenknechtii Ritter spec. nova. Succulenta (Netherlands) 39(7):82-83