Cistanthe tweedyi (formerly Lewisia tweedyi ) growing in a natural rock garden
Mount Lillian Trail 1601
Wenatchee National Forest
Chelan County, Washington, USA
Elevation about 1700 m (5600) feet
en.wikipedia.org/wiki/Cistanthe_tweedyi
Northwestern Chapter of the. North American Rock Garden Society field trip to Tronsen Ridge
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