Blue Flag iris, Iris missouriensis
Iris missouriensis (series LONGIPETALAE) at 8,000 feet elevation on Monitor Pass, Alpine County, in California's eastern Sierra Nevada Mountains.
(Top row) Growing in a moist meadow on the west side of the Pass. (Bottom
row) In dry sagebrush scrub on the east slope of the Pass, above Carson Valley, Nevada. Steve and Anne Ayala, June 17, 2003.