Place of Publication
Taxon 12: 31 (1963)
References
-
Ritter (1963b)
Ritter, F. 1963. Diagnosen von neuen Kakteen. Taxon 12: 28-34
Copiapoa dura
Copiapoa echinoides
(Lem. ex Salm-Dyck) Britton & Rose
Taxon 12: 31 (1963)
Ritter, F. 1963. Diagnosen von neuen Kakteen. Taxon 12: 28-34