Cleistocactus pycnacanthus (Rauh & Backeb.) Backeb.

, Kakteenlexikon 88 (1966).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:60242-2
Publication
Kakteenlexikon, Das
Collation
88
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Cleistocactus morawetzianus var. pycnacanthus Rauh & Backeb., Descr. Cact. Nov. 1: 17 (1956).
Same citation as
Cleistocactus pycnacanthus (Rauh & Backeb.) Backeb., Kakteenlexikon 88 (1966).