Reeves, R. M., Hadam, J. J., Redner, J. H. & Dondale, C. D. (1984). Identity of the North American crab spiders Xysticus durus and X. keyserlingi (Araneae: Thomisidae). The Canadian Entomologist 116(2): 221-225. doi:10.4039/Ent116221-2 -- Show included taxa