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

The photo above shows a close-up of the inflorescence
and the opening flowers of american wintercress as seen on the upper one-quarter
mile of the road to Snipes Mt at an altitude of about 4500'..........May
28, 2005.

The photo above shows american wintercress as seen on the upper
one-quarter mile of the road to Snipes Mt at an altitude of about 4500'.........May
28, 2005.
Paul Slichter