Helianthus debilis var. silvestris (Heiser) Cronquist

, Brittonia 29: 223 (1977).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:119097-2
Species Name
Helianthus debilis Nutt., Trans. Amer. Philos. Soc. ser. 2, 7: 367 (1841).
Publication
Brittonia; a Series of Botanical Papers. New York, NY
Collation
29: 223
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Helianthus debilis subsp. silvestris Heiser, Madroño 13: 158 (1956).
Same citation as
Helianthus debilis var. silvestris (Heiser) Cronquist, Brittonia 29(2): 223 (1977).