Cirsium undulatum var. tracyi (Rydb.) S.L.Welsh

, Great Basin Naturalist 43(2): 254 (1983). BHL
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External links to taxonomic opinions:
WFO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:951967-1
Species Name
Cirsium undulatum Spreng., Syst. Veg., ed. 16 [Sprengel] 3: 374 (1826).
Publication
Great Basin Naturalist
Collation
43(2): 254
Date of Publication
1983
Family as entered in IPNI
Asteraceae

Links

Basionym
Carduus tracyi Rydb., Bull. Torrey Bot. Club 32(3): 133 (1905).
Duplicate citation of
Cirsium undulatum var. tracyi (Rydb.) S.L.Welsh, Great Basin Naturalist 43: 254 (1983).