Sisymbrium altissimum   tumble or Jim Hill mustard
           
  
Brassicaceae (Alt: Cruciferae )
invasive                      herbaceous           
Distribution: Foothills, Greenbelt, Mid Elevation, Conifer Zone, West Valley, South Boise, Lucky Peak

UW Burke Herbarium Link: Sisymbrium altissimum
USDA Plants Link: Sisymbrium altissimum   (SIAL2)
Flora of North America Link: Sisymbrium altissimum