<i>Brasenia schreberi</i> J.F. Gmel. (watershield)
Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 76. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc
1913
<a rel="nofollow" class="external text" href="https://plants.usda.gov/java/profile?symbol=BRSC">USDA-NRCS PLANTS Database: <i>Brasenia schreberi</i> J.F. Gmel.</a>