Senecio triangularis Hook.
Walcott, M.V., North American wild flowers (1925-1927)
N. Amer. Wild Fl.

vol. 5
t. 385
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name recognized (= name cited):
938749 Senecio triangularis Hook.

family: Compositae
subtribe: SENECIONINAE
epithet: triangularis,-is,-e

Illustration contributed by:
Smithsonian Institute, Washington, D.C., U.S.A.
link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=175994
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synonyms:

heterotypic synonyms:
Senecio gibbonsii Greene; Senecio saliens Rydb.;
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Senecio triangularis Hook.
M.V. Walcott, N. Amer. Wild Fl., vol. 5 : t. 385 (1925-1927)