Erigeron trifidus Hook.

, Fl. Bor.-Amer. (Hooker) 2(7): 17 (1834). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:204611-1
Publication
Flora Boreali-Americana [Hooker]; or, the botany of the northern parts of British America...
Collation
2(7): 17
Date of Publication
late 1834
Family as entered in IPNI
Asteraceae

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Basionym of
Erigeron compositus subsp. trifidus (Hook.) Piper, Contr. U.S. Natl. Herb. 11: 566 (1906).
Same citation as
Erigeron trifidus Hook.