Siskiyou Butterweed, Serpentine Groundsel, Western Senecio
Packera hesperia
Synonym: Senecio hesperius
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Siskiyou butterweed blooming at the Eight Dollar Mountain Botanical Wayside, Josephine County, OR......April 21, 2021.
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Siskiyou butterweed as found near the Days Gulch Botanical Area in the Siskiyou region of southwestern Oregon...........April 29, 2012.
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Siskiyou butterweed as found along Eight Dollar Mountain Road near the green bridge across the Illinois River, Siskiyou region of Oregon..........April 29, 2012.
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Siskiyou butterweed as found near the Days Gulch Botanical Area in the Siskiyou region of southwestern Oregon...........April 29, 2012.
Paul Slichter