Machaeranthera glabriuscula var. villosa (Nutt.) Cronquist & D.D.Keck

, Brittonia 9: 239 (1957).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:148353-2
Publication
Brittonia; a Series of Botanical Papers. New York, NY
Collation
9: 239
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Xylorhiza villosa Nutt., Trans. Amer. Philos. Soc. ser. 2. 7: 298 (1840).