PDF) The State of Crayfish in the Pacific Northwest
Invasive crayfish threaten Oregon's Signal crayfish
Pacific Coast Rivers of the Coterminous United States - ScienceDirect
Red Swamp Crayfish (Procambarus clarkii) - Species Profile
The Unlovable Lamprey - written by Sean Connolly – Salmon Trout
Water monitoring group finds 16 invasive crayfish in Nose Creek in
Invasive Crayfish Found In Ashland Canal; Could Be Bad News For
Invasive crayfish threaten Oregon's Signal crayfish
Preserved Crayfish & Other Crustaceans
Discovery of invasive crayfish in the Willamette River drainage