Townsendia exscapa (Richardson) Porter

, Mem. Torrey Bot. Club 5: 321 (1894). BHL
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:255696-2
Publication
Memoirs of the Torrey Botanical Club
Collation
5: 321
Family as entered in IPNI
Asteraceae

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Basionym
Aster exscapus Richardson, Narr. Journey Polar Sea [Franklin] 748 (1823).
Same citation as
Townsendia exscapa (Richardson) Porter, Mem. Torrey Bot. Club 5: 321 (1894).