Keywords: Hypsiglena torquata jani distribution.svg The distribution of Hypsiglena torquata subsp jani Also shown are the ranges of two subspecies dunklei and texana which are sometimes considered synonymous with subspecies jani <br><br><table border 0 cellspacing 0 cellpadding 1 style background transparent > <tr valign top ><td> FF6600 Hypsiglena torquata subsp dunklei <br> C87137 Hypsiglena torquata subsp jani <br> FFCC00 Hypsiglena torquata subsp texana <br> </td></tr></table><br>Data from Mulcahy D G 2008 Phylogeography and species boundaries of the western North American Nightsnake Hypsiglena torquata Revisiting the subspecies concept Molecular Phylogenetics and Evolution 46 3 1095 “1115 10 1016/j ympev 2007 12 012 BlankMap-World6 svg 2011-03-14 21 53 UTC BlankMap-World6 svg Canuckguy <small> talk </small> and many others see File history derivative work Ninjatacoshell <span class signature-talk >talk</span> ImageNote 1 42 74 9 11 135 106 2 File Hypsiglena torquata dunklei See File Hypsiglena torquata dunklei distribution svg ImageNoteEnd 1 ImageNote 2 23 41 35 45 135 106 2 Hypsiglena torquata texana See File Hypsiglena torquata texana distribution svg ImageNoteEnd 2 ImageNote 3 39 79 8 13 135 106 2 Hypsiglena torquata jani ImageNoteEnd 3 Hypsiglena jani Hypsiglena torquata distribution maps |