<i><a href="//commons.wikimedia.org/wiki/Barbarea_orthoceras" title="Barbarea orthoceras">Barbarea orthoceras</a></i>
JW Stockert
1973
<a rel="nofollow" class="external free" href="http://www.nps.gov/features/yell/slidefile/plants/mustardfamily/Page.htm">http://www.nps.gov/features/yell/slidefile/plants/mustardfamily/Page.htm</a>