It is the last butterfly to be discovered in North America and was found by one Stanford University student, Larry Gall, and one University of Alberta student, Felix Sperling, working out of the Rocky Mountain Biological Laboratory.
Marsh Fritillary | Silver-washed Fritillary | High Brown Fritillary | Uncompahgre National Forest | Small Pearl-bordered Fritillary | small pearl-bordered fritillary | Regal Fritillary | regal fritillary | Marsh fritillary | Great Spangled Fritillary | Fort Uncompahgre |