Xylorhiza tortifolia var. imberbis (Cronquist) T.J.Watson

, Brittonia 29: 211 (1977).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:269871-2
Species Name
Xylorhiza tortifolia Greene, Pittonia 3(14): 48 (1896).
Publication
Brittonia; a Series of Botanical Papers. New York, NY
Collation
29: 211
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Machaeranthera tortifolia var. imberbis Cronquist, Leafl. W. Bot. 10: 12 (1963).
Same citation as
Xylorhiza tortifolia var. imberbis (Cronquist) T.J.Watson, Brittonia 29(2): 211 (1977).