[Butterweeds, Groundsels and Ragworts: The Genus Senecio West of the Cascade Mountains of Oregon and Washington]

Columbia Ragwort, Lambstongue, Lambstongue Groundsel, Lambs-tongue Groundsel, One-stemmed Butterweed, Tall Western Groundsel

Senecio integerrimus var. exaltatus

Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi

Columbia Ragwort, Lambstongue, Lambstongue Groundsel, Lambs-tongue Groundsel, One-stemmed Butterweed, Tall Western Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi) - Inflorescence of Columbia Ragwort, Lambstongue, Lambstongue Groundsel, Lambs-tongue Groundsel, One-stemmed Butterweed, Tall Western Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi)

Tall western groundsel as seen at the King Mountain Rock Garden ACEC in northeastern Josephine County, OR........June 11, 2017.
Paul Slichter