Requested reference
Millidge, A. F. (1983). The erigonine spiders of North America. Part 6. The genus Walckenaeria Blackwall (Araneae, Linyphiidae). Journal of Arachnology 11(2): 105-200. 
-- Show included taxa
Millidge, A. F. (1983). The erigonine spiders of North America. Part 6. The genus Walckenaeria Blackwall (Araneae, Linyphiidae). Journal of Arachnology 11(2): 105-200. -- Show included taxa