Antelope Bitterbrush, Antelope Brush, Antelope-brush, Bitterbrush
Purshia tridentata
Synonyms: Kunzia tridentate, Purshia tridentata var. tridentata, Tigarea tridentate
- 
The photo at left shows the flower of antelope bitterbrush as seen in open coniferous forest along Road K1000 on the southeastern slopes of Mt. Adams..........May
13, 2007. The photo at right shows antelope bitterbrush in bloom on Rhyolite Ridge about one-half mile west of Pilot Rock, Cascade-Siskiyou National Monument......May 26, 2021.
The photo above shows the flower and 3-lobed leaf of antelope bitterbrush as seen at 4100' atop the ridge dividing the Dairy and Cougar Creek drainages on the eastern slopes of Mt. Adams.........June 17, 2006.
The photo above shows the whitish lower lower leaf surface (uppermost)
and greener upper leaf blade (lowermost) of bitter-brush as seen at the DNR
rock quarry abreast the ridge dividing the Dairy and Cougar Creek drainages
at the southeastern corner of Mt. Adams.........July 10, 2005.
Paul Slichter