Purple Phacelia, Silverleaf Phacelia
Phacelia hastata var. alpina
Synonym: Phacelia alpina
May also be lumped into Phacelia hastata var. hastata in Washington and on the USDA website.

Purple phacelia as seen in gravel along Forest Road 16 at Summit Prarie, Malheur National Forest................June 25, 2011.

Purple phacelia as seen in open forest at Big Creek Campground, Malheur National Forest.............July 16, 2010. Although difficult to see here, the flowers are noted for the light blue cast they have.
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Additional close-up photos of purple phacelia as seen in open forest at Big Creek Campground, Malheur National Forest.............July 16, 2010.
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Additional photos of purple phacelia as seen along the edges of the paved parking area at the wildlife viewing area, Malheur National Forest................August 26, 2011.

Purple phacelia as seen sprawled across rocks at the Steens Mountain summit, Harney County, Oregon...................September 1, 2011.
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Purple phacelia sprawling across talus slopes on the east side of Strawberry Mountain, Strawberry Mountain Wilderness..................August 3 and 19, 2011.

The photo above shows silverlleaf phacelia (var. leucophylla) from Jackman Park C.G., the Steens Mt, Harney County, OR.......Aug. 3, 1995.
Paul Slichter