We would like to direct you to the following for more information on native plant gardening as well as other horticultural, green industry and ecological sites.
The Natural Resources Conservation Service of the USDA has a good reference for establishing habitat in residetial yards.
A wonderful source of information on native plants, animals and the essential interactions between the two! Many ideas for homeowners, businesses and classrooms.
Information on wildlife habitat for corporate lands, wetlands, homes, brownfields and even Superfund Site remediation.
An organization dedicated to spreading knowledge about wildlife and wildlife habitat. Visit their knowledge section for information on backyard habitat, meadows, and many other things. They are also working on a 29 acre demonstration garden in Maryland.