| phylogeographic structure and historical demography of the western diamondback rattlesnake (crotalus atrox): a perspective on north american desert biogeography. | the western diamondback rattlesnake (crotalus atrox) is a prominent member of north american desert and semi-arid ecosystems, and its importance extends from its impact on the region's ecology and imagery, to its medical relevance as a large deadly venomous snake. we used mtdna sequences to identify population genetic structure and historical demographic patterns across the range of this species, and relate these to broader patterns of historical biogeography of desert and semi-arid regions of t ... | 2007 | 16934495 |