[
Unidentified Butterflies East of the Cascade Mountains of Oregon and Washington
]
Unidentified Fritillary #25
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An close-up view of the underwings of an unidentified fritillary on nettleleaf horsemint (
Agastache urticifolia
) on Steptoe Butte, eastern Washington.......June 22, 2009.
Paul Slichter