Requested reference
Kronestedt, T., Marusik, Y. M. & Omelko, M. M. (2014). Studies on species of Holarctic Pardosa groups (Araneae, Lycosidae). VIII. The Palearctic species of the Pardosa nigra group. Zootaxa 3894(1): 33-60. doi:10.11646/zootaxa.3894.1.5 -- Show included taxa