Helianthus giganteus var. ambiguus Torr. & A.Gray

, Fl. N. Amer. (Torr. & A. Gray) 2(2): 325 (-326) (1842). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:1026590-2
Species Name
Helianthus giganteus L., Sp. Pl. 2: 905 (1753).
Publication
Flora of North America, A (Torrey & Gray)
Collation
2(2): 325 (-326)
Date of Publication
Apr 1842
Family as entered in IPNI
Asteraceae

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Basionym of
Helianthus ambiguus (Torr. & A.Gray) Britton, Man. Fl. N. States [Britton] 993 (1901).
Basionym of
Helianthus ambiguus (Torr. & A.Gray) Britton, Man. Fl. N. States [Britton] 993. (1901).