Western Monkshood (Aconitum columbianum) distribution map
Own work.  Uses public-domain information from http://plants.usda.gov/java/profile?symbol=ACCO4 . Employs BlankMap-USA-states-Canada-provinces, HI closer.svg by User:Lokal Profil
User:Rrburke, using base map created by User:Lokal Profil