Douglas' Phlox, Tufted Phlox
Phox douglasii
Synonyms: Phlox caespitosa, Phlox cespitosa, Phlox douglasii ssp. douglasii, Phlox douglasii ssp. rigida, Phlox rigida

Tufted phlox as seen near Spanish Peak, Ochoco National Forest...........August 14, 2015. Note the numerous gland-tipped hairs on the foliage.
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Tufted phlox as seen near Spanish Peak, Ochoco National Forest...........August 14, 2015. Note the numerous gland-tipped hairs on the foliage. There's a chance the lower right photo is of Phlox hoodii, but it isn't enlarged enough to tell for sure.
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Tufted phlox as seen along the Rimrock Springs Trail #850, Crooked River National Grasslands........May 20, 2017.

Tufted phlox as seen along the Gray Butte Trail #852, Crooked River National Grasslands.........May 20, 2017.
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Tufted phlox as seen along the Rimrock Springs Trail #850, Crooked River National Grasslands........April 24, 2018.
Paul Slichter