Range map of Arborvitae Thuja occidentalis.
Own work using Grass GIS and Inkscape.

Data sources:Coastlines, lakes, and borders are from National Geophysical Data Center except Nunavut borders, which are from GeoGratis. Map Projection: Lambert Conformal Conic
Arborvitae range data is from U.S. Geological Survey.
Halava