Natural distribution map for <i><b><a href="//commons.wikimedia.org/wiki/Category:Abies_grandis" title="Category:Abies grandis">Abies grandis</a></b></i>  — Grand, lowland, white, silver, yellow, or stinking fir.
<ul><li><i>Abies grandis</i> ssp. <i>grandis</i> in green.</li>
<li><i>Abies grandis</i> ssp. <i>idahoensis</i> in blue.</li></ul>
Elbert L. Little, Jr., of the U.S. Department of Agriculture, Forest Service
1971
<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: Elbert L. Little, Jr. (1971), <i>Atlas of United States trees, <b>Vol. 1</b>, conifers and important hardwoods</i>: U.S. Department of Agriculture Miscellaneous Publication 1146, 9 p., 200 maps.</a>