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

White Western Groundsel, Tall Western Groundsel, Lambstongue Ragwort, Lamstongue Groundsel

Senecio integerrimus var. exaltatus

Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi

Lambstongue Groundsel, Tall Western Butterweed, Western Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi) - White Western Groundsel, Tall Western Groundsel, Lambstongue Ragwort, Lamstongue Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi)

The photo at left shows western groundsel as seen at about 4100' at a rock quarry atop the ridge dividing the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams........May 23, 2005. The photo at right shows western groundsel in bloom in the meadow at the Hobart Bluff trailhed for the Pacific Crest Trail, Cascade-Siskiyou National Monument......May 28, 2021.

Lambstongue Groundsel, Tall Western Butterweed, Western Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi)

The photo above shows a close-up of the inflorescence of western groundsel as seen at 4100' at the crest of the ridge dividing the Dairy Creek and Cougar Creek drainages........May 29, 2006. Note the blackish tips to the involucral bracts, and the outer ring of much shorter bracts along the lower half of the involucre.

Lambstongue Groundsel, Tall Western Butterweed, Western Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi)

The photo above shows western groundsel as seen in a large clearcut above the end of Rd K6600 on the southeastern side of Mt. Adams.......May 14, 2005.

Lambstongue Groundsel, Tall Western Butterweed, Western Groundsel: Senecio integerrimus var. exaltatus (Synonyms: Senecio integerrimus var. vaseyi, Senecio vaseyi)

Newly emerged basal leaves of western groundsel, which in this case are very attractive due to a large amount of purplish pigment. Photographed near 4100' atop the ridge dividing Dairy and Cougar Creeks on the easternslopes of Mt. Adams........May 6, 2006.

Paul Slichter