Euphydryas


Zimmermann, Marie; Niklas Wahlberg; Henri Descimon (May 2000). "Phylogeny of Euphydryas Checkerspot Butterflies (Lepidoptera: Nymphalidae) Based on Mitochondrial DNA Sequence Data". Annals of the Entomological Society of America. 93 (3): 347–355. doi:10.1603/0013-8746(2000)093[0347:POECBL]2.0.CO;2. Retrieved 2008-06-22.