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Jim P. Brock   cc-by-nc-sa-3.0

Clossiana improba (Dingy Fritillary) is a species of butterflies in the family brush-footed butterflies. They visit flowers of entireleaf mountain-avens, graylocks four-nerve daisy, Erigeron acris arctophilus, and flowery phlox.

EOL has data for 14 attributes, including:

Known occurrences, collected specimens and observations of Dingy Fritillary. View this species on GBIF