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Image: Sistrurus sp. distribution

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Description: geographic distribution of Sistrurus. Included species: Sistrurus catenatus (Native: Canada; Mexico; United States), Sistrurus miliarius (Native: United States)
Title: Sistrurus sp. distribution
Credit: own work, based on http://www.naturalearthdata.com/downloads/ (downloaded Oct. 2012) and https://s3-eu-west-1.amazonaws.com/spatial-data/groups/REPTILES.zip (downloaded Nov. 2012)
Author: compiled by rbrausse with Quantum GIS Map data: Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com. Range data: Frost, D.R., Hammerson, G.A. & Santos-Barrera, G. 2007. Sistrurus catenatus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 06 March 2013. Hammerson, G.A. 2007. Sistrurus miliarius. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 06 March 2013.
Permission: The use of spatial data from the IUCN Red List web site to produce species distribution maps is subject to the Attribution-Share Alike Creative Commons License. In short: you are free to distribute and modify the file as long as you attribute its authors and the IUCN Red List.
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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