From the same USGS source, extracted the PNG image directly from the PDF, changed it to indexed mode, with a color table matching the English Wikipedia's taxobox for this plant.
{{Information |Description=Range map of Red Maple (''Acer rubrum'') |Source=Digital representation of "Atlas of United States Trees" by Elbert L. Little, Jr. [http://esp.cr.usgs.gov/data/atlas/little/] |Date=1999 |Author=U.S. Geological Survey |Permission
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):