A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum
Hosted by the University of Washington Herbarium, Burke Museum
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Asteraceae » Senecio integerrimus var. exaltatus
Senecio integerrimus Nutt. var. exaltatus (Nutt.) Cronquist[FNA20, HC, HC2]
one-stemmed butterweed, lambs-tongue groundsel, tall western groundsel
Publication: Leafl. W. Bot. 6: 48. 1950.
Origin: Native
Herbarium search: CPNWH
Notes: FNA20: "Variety exaltatus is the most widespread and variable variety of the species. Eradiate plants of var. exaltatus have been recognized as var. vaseyi; there appears to be no populational integrity to the eradiate condition."
Chambers and Sundberg (2000) note this is very similar to S. hydrophiloides and differs only in the pubescence.
Last updated 4/26/2020 by David Giblin.
Synonyms & Misapplied Names:
Senecio integerrimus Nutt. var. vaseyi (Greenm.) Cronquist[HC]
Senecio vaseyi Greenm.
