Ritterocereus pruinosus (Otto ex Pfeiff.) Backeb.

, Cact. Succ. J. (Los Angeles) 23: 121 (1951).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:221464-2
Publication
Cactus and Succulent Journal. [Cactus and Succulent Society of America]
Collation
23: 121
Family as entered in IPNI
Cactaceae

Links

Basionym
Echinocactus pruinosus Otto ex Pfeiff., Enum. Diagn. Cact. 54 (1837).
Nomenclatural link
Cereus pruinosus Otto in C.F.Först.
Same citation as
Ritterocereus pruinosus (Otto) Backeb., Cact. Succ. J. (Los Angeles) 23: 121 (1951).