The River To River Cooperative Weed Management Area is a non-profit which provides resources for the control of invasive plants. For more information you can call 618-992-5920 and ask for Kevin. Or via e-mail at firstname.lastname@example.org.
You can also view: http://www.rtrcwma.org/
The Southern Illinois Audubon Society is involved in the Great Backyard Bird Count, for more information visit: http://www.siaudubon.org/