Cirsium perennans Wooton & Standl.

, Contr. U.S. Natl. Herb. 19: 753 (1915). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:59115-2
Publication
Contributions from the United States National Herbarium. Smithsonian Institution
Collation
19: 753
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Carduus perennans Greene, Bull. Torrey Bot. Club 25(3): 123 (1898).
Same citation as
Cirsium perennans Wooton & Standl., Contr. U.S. Natl. Herb. 19: 753 (1915).