Mountain Thistle, Fringe-bract Thistle
Cirsium remotifolium var. odontolepis
Synonyms: Cirsium callilepis, Cirsium callilepis var. callilepis, Cirsium callilepis var. oregonense, Cirsium centaureae, Cirsium remotifolium ssp. oregonense, Cirsium remotifolium ssp. pseudocarlinoides

Mountain thistle as seen in meadows at the trailhead for the Bull of the Woods Trail #550, Mt. Hood National Forest..........September 14, 2018.
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Plumed seeds of mountain thistle as seen in meadows atop Scott Mountain, Mount Washington Wilderness..........September 16, 2016.
Paul Slichter