Barbarea orthoceras
 Barbarea orthoceras is a species of flowering plant in the mustard family known by the common name American yellowrocket. It is native to North America including much of Canada and the western United States as well as parts of Asia. It grows in moist areas such as meadows and riverbanks. This is a perennial herb producing a stiff branching stem to heights between 10 and 60 centimeters.