The most comprehensive weed identification reference ever assembled for North America! This weed identification CD will be useful to scientists and practitioners as well as teachers and students. The CD contains an interactive key for identifying unknown weeds and the images of 140 grass-like weeds and 860 broadleaf weeds.

  • To purchase the CD, please contact:
       Dr. Richard Old
       XID Services
       509-332-2989
       

  • Questions/Answers

  • Training Videos