Plants Database(U.S. Natural Resources Conservation Service) Provides standardized information about plants with a focus on vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. Includes names, checklists, images, identification information, species abstracts, distributional data, crop information, plant symbols, plant growth data, legal status (threatened and endangered, noxious, wetland indicator status) and literature references. For each entry includes links to related sites.