Federated Garden Clubs of Maryland --> http://www.fgcofmd.org/
Baltimore City Garden Clubs (District IV) --> http://www.baltimorecitygardenclubs.org/
Bolton Hill --> http://boltonhill.org/
Native Plants for Wildlife Habitat and Conservation Landscaping
Native Plants database at the lady Bird Johnson Wildflower center
Virginia Native Plant Society with many native plant lists for conservation landscaping, native plant sales, and related info
Maryland Native Plant Society, publications and list of native plants for conservation landscaping
USDA Plants database
Invasive Plants of the Mid-Atlantic Region
Virginia Invasive Plants species: Virginia Department of Conservation & Recreation
Native Alternatives to Invasive Plants:
Slattery, Britt E., Kathryn Reshetiloff, and Susan M. Zweicker. Native Plants for Wildlife Habitat and Conversation Landscaping: Chesapeake Bay Watershed. U.S. Fish & Wildlife Service, Chesapeake Bay Field Office, Annapolis, MD. 2005. 82pp. Highly Recommended!
Stein, Sarah. Noah’s Garden. Houghton Mifflin Co. New York, NY, 1997.
Tallamy Douglas W. Bringing Nature Home How Native Plants Sustain Wildlife in Our Gardens. Timber Press, Inc. Portland, OR, 2007.
Bruce, Hal. How to Grow Wildflowers and Wild Shrubs and Trees in Your Own Garden.
Alfred A. Knopf. New York, N.Y. 1976.
Burrell, Colston C. Native Alternatives to Invasive Plants. 2006. Brooklyn Botanic Garden, Inc., Brooklyn, NY. 239pp.
Cullina, William. Native Trees, Shrubs, and Vines: A guide to using, growing, and propagating North American woody plants. Houghton Mifflin Co., New York, N.Y. 2002. (Outstanding reference for Native plants!)
DuPont, Elizabeth. Landscaping with Native Plants in the Middle-Atlantic Region. Brandywine Conservancy, Chadds Ford, PA. 2004
Foote, Leonard E. and Samuel B. Jones. Gardening with Native Wild Flowers. Timber Press, OR. 1997.
Foote, Leonard E. and Samuel B. Jones. Native Shrubs and Woody Vines of the Southeast: Landscaping Uses and Identification. Timber Press, Portland, OR. 2001.
Halllowell, Anne C. and Barbara G. Hallowell. Fern Finder: a guide to native ferns of Central and Northeastern United States and Eastern Canada. Nature Study Guild Publishers, Rochester, New York. 2001.
Sternberg, Guy and Jim Wilson. Native Trees for North American Landscapes. Timber Press, Portland, OR. 2006.