Illustration of <i><a href="//commons.wikimedia.org/w/index.php?title=Amaranthus_deflexus&amp;action=edit&amp;redlink=1" class="new" title="Amaranthus deflexus (page does not exist)">Amaranthus deflexus</a></i> from USDA-NRCS Database: <i>An illustrated flora of the northern United States, Canada and the British Possessions</i>. Vol. 2: 4. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc.
Britton, N.L., and A. Brown
1913
<a rel="nofollow" class="external free" href="https://plants.usda.gov/java/largeImage?imageID=amde_001_avd.tif">http://plants.usda.gov/java/largeImage?imageID=amde_001_avd.tif</a>