Arrowleaf Butterweed, Arrowleaf Groundsel, Arrowleaf Ragwort
Senecio triangularis var. triangularis
Synonyms: Senecio triangularis, Senecio triangularis var. angustifolius
This photo shows the nearly flat-topped inflorescence of arrowleaf groundsel as seen in a moist meadow at Patterson Mountain in the southern Willamette National Forest..........July 13, 2008.
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Arrowleaf groundsel as seen at left in a moist meadow at the trailhead for Lookout Mountain, Badger Creek Wilderness..........July 17, 2016. The photo at center shows a close-up of the inflorescence of arrowleaf groundsel as seen along the East Crater Trail in the Indian Heaven Wilderness........August 25, 2017. The image at right shows arrowleaf groundsel observed in moist meadows at High Prairie, Badger Creek Wilderness.....August 18, 2024.
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Arrowleaf groundsel as seen in a moist meadow at Patterson Mountain in the southern Willamette National Forest........July 13, 2008.
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Arrowleaf groundsel as seen at left in a moist meadow along Forest Road #39 near Bottles Springs, Okanogan-Wenatchee National Forest.........July 29, 2018. The photo at right shows arrowleaf groundsel in bloom along the East Crater Trail #48, Indian Heaven Wilderness.......September 9, 2024.
Paul Slichter