<a href="//commons.wikimedia.org/wiki/Artemisia_ludoviciana" title="Artemisia ludoviciana">Artemisia ludoviciana</a>
Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 529. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 529.