Utah
Venomous:
Midget Faded Rattlesnake (Crotalus oreganus concolor) -Venomous
Great Basin Rattlesnake (Crotalus oreganus lutosus) -Venomous
Southwestern Speckled Rattlesnake (Crotalus pyrrhus) -Venomous
Northern Mohave Rattlesnake (Crotalus scutulatus scutulatus) -Venomous