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Species   Boloria improba

Boloria improba improba

(Butler, 1877)

Dingy Fritillary

Scandanavia, Nunavut, NWT

Boloria improba youngi

(W. Holland, 1900)

Dingy Fritillary

AK, YK

Boloria improba nunatak

Scott, 1998

Dingy Fritillary

Rocky Mountains of Alberta &
British Columbia

Boloria improba harryi

(Ferris, 1984)

Dingy Fritillary

NW Wyoming

Boloria improba acrocnema

Gall & Sperling, 1980

Dingy Fritillary; Uncompahgre Fritillary

SW Colorado Rocky Mountains