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The home page for the United States Department of Agriculture PLANTS Database

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VT Forest Biology and Dendrology offers tree identification, growth, and physiology information.

UW-Green Bay has exceptional facilities, affordable bachelor’s and master’s degree programs, and a scenic lakeshore campus. Part of the tradition-rich University of Wisconsin System.

Department of Environmental Horticulture, University of Florida

7000 rare and unusual plants with edible, medicinal or other uses. We place emphasis on creating an ecologically sustainable environment with perennial plants.

Photos & descriptions of wildflowers, trees, ferns of Colorado, New Mexico, Arizona, Utah . Wildflower stock photos. Betty

Arboriculture & Urban Forestry Online. Full-text articles from the Journal of Arboriculture, 2002 onward.

Northeastern Area, State and Private Forestry, USDA Forest Service has a goal to provide the public and partners with timely, accurate, understandable information about the sustainable management and stewardship, status and ...

U.S. National Park Service - Experience Your America