Other Sites of Interest
Association for Biodiversity Information
Overstory, an on-line journal of Agroforestry
The Champion Tree Project
Botanical Checklist of North America
Endangered and Threatened Species
GardenWeb
The Historic Trees Project
A World Community of Old Trees
An Eco-Art Project
Index Herbariorum
Integrated Taxonomic Information System
Internet Directory for Botany
Nearctica
Plant Amnesty
Plant World
Plants of Horticulture
(searchable database at Ohio State University)
Society for Ecological Restoration
Treeguide: The Natural History of Trees
USDA Plant Hardiness Zone Map
USDA Forest Service Research & Development
United States National Germplasm System
University of California Integrated Hardwood Range Management Program
Wild Ones
Last Updated 12/5/2003
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