Helianthus nebrascensis Cockerell

, Monthly Bull. Calif. Commiss. Hort. 8(5): reprint p. 7 (1919).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:119184-2
Publication
Monthly Bulletin, California Commission of Horticulture. Sacramento, CA
Collation
8(5): reprint p. 7
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Helianthus tuberosus var. nebrascensis Cockerell, Amer. Naturalist 53: 188 (1919).
Same citation as
Helianthus nebrascensis Cockerell, Monthly Bull. Calif. Commiss. Hort. 8(5): 249 (1919).