PLANTS Database• http://plants.usda.gov/java/
• United States Department of Agriculture
• .gov
Provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. Includes scientific and common names, plant symbols, checklists, distributional data, species abstracts, characteristics, images, plant links, references, crop information, and automated tools.