The timber species of these American pit vipers are found in 27 states
[DOC] [TLE] 4 Deadly Poisonous (Venomous) Snakes in America [PAR] May 8, 2014 ... For your safety, know these 4 poisonous (venomous) snakes, and what ... while 
more than one hundred species are found in North America  and ... Coral 
Snakes and Pit Vipers (which include Rattlesnakes, ... is a pit viper found almost 
everywhere in the United States, and is .... March 30, 2016 at 9:27 AM.