Keywords: CL-16 Pinus monophylla & Pinus quadrifolia range map.png en Map 16 Pinus monophylla Pinus quadrifolia distribution 1966 http //www biodiversitylibrary org/bibliography/66393 /summary Geographic distribution of the pines of the world Miscellaneous publication no 991 U S Department of Agriculture Forest Service Washington D C February 1966 William B Critchfield Elbert L Little Jr U S Department of Agriculture Forest Service PD-USGov Geographic Distribution of the Pines of the World Uploaded with UploadWizard Pinus monophylla range maps Pinus quadrifolia range maps |