Virginia Natural Heritage Program A key partner with the Flora of Virginia Project, Natural Heritage has identified more than 1,800 sites containing one or more rare species or communities and designated 59 natural area preserves in Virginia.
The Nature Conservancy The Conservancy works in every state and 33 countries, where it protects more than 119 million acres of land and 5,000 miles of rivers. The Virginia Chapter's work ranges from studies of shorebirds to protecting the critical habitats of the biologically rich Clinch River.
Wintergreen Nature Foundation The Foundation focuses on appreciation for and conservation of the natural and cultural resources of the Virginia Blue Ridge, offering research and education facilities and programs.
Virginia Conservation Network Representing more than 100 nonprofits involved in conservation, the Virginia Conservation Network works in Richmond to recommend policy for a sounder environmental approach in the commonwealth.
Lewis Ginter Botanical Garden This Richmond oasis, with 40 acres of gardens and a spectacular conservatory, is a center for botanical education and landscape design. The garden features plant collections, theme gardens, a library, and conference facilities.
Blandy Experimental Farm The University of Virginia's 700-acre research facility near Winchester includes the State Arboretum of Virginia. Among its 8,000 trees and shrubs are represented almost half the pine species in the world. The Virginia Native Plant Society is also based there.
Plants Database A wealth of information on the plants of the United States and its territories, this USDA site's main goal is to promote conservation but it encourages educational and general use.
Invasive Plants in Virginia Invasive non-natives are listed by threat level and keyed to region and habitat needs in this publication (PDF) from the Virginia Natural Heritage Program
Natural Heritage Resources of Virginia: Rare Plants The most current list (PDF) of rare plants in the state, by Flora of Virginia co-author John Townsend, botanist with the Virginia Natural Heritage Program.
Flora of North America This massive undertaking on the plants of North America north of Mexico will comprise 30 volumes, of which 15 are available in print (and most of those are online).
Flora of the Carolinas, Virginia, Georgia, and Surrounding Areas Alan S. Weakley's online flora is presented in a number of easy-to-use PDF files. Dr. Weakley is a co-author of the Flora of Virginia and curator of the University of North Carolina Herbarium in Chapel Hill.
Digital Atlas of the Virginia Flora A project of Virginia Botanical Associates, the searchable atlas provides range maps, botanical names, and synonymies for Virginia plants. The Flora of Virginia Project is working with VBA to enhance species pages with photographs.
Virginia Native Plant Society Letís start in our own backyard. This website covers it all, VNPS chapters, conservation philosophy and approaches, volumes of practical info, and much, much more.
PlantNative Dedicated to moving native plants and naturescaping into mainstream landscaping practices. Check out their great Naturescaping how-to.
Wild Ones: Native Plants, Natural Landscapes Promoting environmentally sound landscaping to preserve biodiversity through the preservation, restoration, and establishment of native plant communities. A nonprofit environmental education and advocacy organization.
LSU Herbarium's Online Illustrated Plant Glossary The Louisiana State University Herbarium maintains a useful and well-illustrated online glossary of plant terms. Click the images to enlarge them. There's much more besides, so explore!