Requested reference
Dondale, C. D. & Redner, J. H. (1986). The coloradensis, xerampelina, lapponica, and tesquorum groups of the genus Pardosa (Araneae: Lycosidae) in North America. The Canadian Entomologist 118(8): 815-835. doi:10.4039/Ent118815-8 -- Show included taxa