Natural distribution map for <i>Crataegus succulenta</i>. Note that this map does not show the complete range, which extends far to the east.
Elbert L. Little, Jr., of the U.S. Department of Agriculture, Forest Service, and others
1976
<a rel="nofollow" class="external text" href="https://esp.cr.usgs.gov/data/little/">USGS Geosciences and Environmental Change Science Center: Digital Representations of Tree Species Range Maps from "Atlas of United States Trees" by Elbert L. Little, Jr. (and other publications)</a>