The idea of these seed ID challenges will be to introduce some real world reasons why someone might need to identify seeds.
Scenerio: A crime has been committed in Pennsylvania and the police trace the truck to Phoenix, Arizona. The owner swears his truck has never left Phoenix. You are the investigator and you spot this in the pick up bed:
What does the information in the photograph above tell you?
If you need help, try the Seed of the Week archive at Growing with Science blog.