Xysticus viduus, Taxa Only, Exact Match: 2 Treatments

Xysticus viduus			Ponomarev, A. V., Bragina, T. M. & Shmatko, V. Yu., 2017, New data on spiders (Aranei) of the Naurzum State Natural Reserve (Kostanay Region, Kazakhstan), Caucasian Entomological Bulletin 13 (1), pp. 3-10 : 10	10
Xysticus viduus			Nuruyeva, Tamara & Zamani, Alireza, 2025, An annotated checklist of the spiders (Arachnida: Araneae) of Azerbaijan, Zootaxa 5680 (1), pp. 1-168 : 141	141