Illustration of <i>Chelone lyonii</i> (Syn. <i>Chelone major</i>)
John Sims (1749-1831)
1817
Curtis's botanical magazine vol. 44 tabl. 1864 (<a rel="nofollow" class="external free" href="http://www.botanicus.org/page/483075">http://www.botanicus.org/page/483075</a>)