[Wintercress: The Genus Barbarea West of the Cascade Mountains of Oregon and Washington]

American Wintercress, American Yellowrocket, American Yellow-rocket

Barbarea orthoceras

Synonyms: Barbarea americana, Barbarea orthoceras var. dolichocarpa, Barbarea stricta, Campe orthoceras

American Wintercress, American Yellowrocket, American Yellow-rocket: Barbarea orthoceras (Synonyms: Barbarea americana, Barbarea orthoceras var. dolichocarpa, Barbarea stricta, Campe orthoceras)

American wintercress as seen at Nob Hill Park in Saint Helens, OR.........April 3, 2016.

American Wintercress, American Yellow-rocket: Barbarea orthoceras

Paul Slichter