The idea of these seed ID challenges will be to introduce some real world reasons why someone might need to identify seeds.
Scenerio: You work for the Department of Agriculture in Australia. It is your job to keep invasive weeds out of the country.
A shipment of seeds arrives with some round black seeds mixed in.
A. What kind of seeds are they?
B. Should the shipment be rejected or not? To help with your decision, see the lists of Australian invasive weeds at Weeds of National Significance. (Google is okay for this, as well.)
For this week’s challenge, you only need the genus and/or common name of the plant because the species names are somewhat in flux.
If you need help, try the Seed of the Week archive at Growing with Science blog.