Conyza pycnostachya Michx.

, Fl. Bor.-Amer. (Michaux) 2: 126 (1803). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:197646-1
Publication
Flora Boreali-Americana (Michaux)
Collation
2: 126
Date of Publication
19 Mar 1803
Family as entered in IPNI
Asteraceae

Links

Replaced synonym
Gnaphalium undulatum Walter, Fl. Carol. [Walter] 203 (1788), nom. illeg.
Replaced synonym of
Pterocaulon undulatum C.Mohr, Contr. U.S. Natl. Herb. 6: 790 (1901), nom. illeg.
Replaced synonym of
Pterocaulon undulatum C.Mohr, Contr. U.S. Natl. Herb. 6: 120, 790 (1901), nom. illeg.