Assertion: prairie rattlesnake | /r/AtLocation | the desert southwest
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Source sentences:
text: Several subspecies of western rattlers inhabit western and midwest states such as the northern Pacific rattlesnake or Crotalus viridis oreganus in Washington, Oregon and California; prairie rattlesnake or Crotalus viridis viridis inhabiting a swath east of the Rocky Mountains from the Dakotas to Texas, and great basin rattlesnake or Crotalus viridis lutosus and others inhabiting the desert southwest.