Natural distribution map for <i>Alnus maritima</i>
Elbert L. Little, Jr., of the U.S. Department of Agriculture, Forest Service, and others
1977
<p><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>
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Updated with data from <a rel="nofollow" class="external text" href="http://bonap.net/MapGallery/County/Alnus%20maritima.png">BONAP's North American Plant Atlas (map generated 5/26/2013)</a>]