Taxon - Links and literature
species
Dingy Fritillary
Boloria improba (A. Butler, 1877)
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [as Boloria improba (Butler, 1877)]Data retrieved on: 9 March 2012
Illustrated Lists of American Butterflies 9-III-2024 [Boloria_improba_a]
Warren, A. D., K. J. Davis, E. M. Stangeland, J. P. Pelham, K. R. Willmott & N. V. Grishin: Illustrated Lists of American Butterflies [http://butterfliesofamerica.com/] [as Boloria improba (A. Butler, 1877)]
Data retrieved on: 6 January 2025
Moths and Butterflies of Europe and North Africa [ClossImpro]
Mazzei P., Reggianti D., Pimpinelli I.: Moths and Butterflies of Europe and North Africa [http://www.leps.it]