Source Organization: U.S. Department of Agriculture
Description: Info on the vascular plants, mosses, liverworts, hornworts, and lichens in the U.S. and territories.
Information profiles of the vascular plants, mosses, liverworts, hornworts, and lichens in the U.S. and its territories. Search by scientific name, common name, or symbol.
Fast links to alternative crops, characteristics, classification, cover crops, culturally significant, distribution, invasive plants, threatened plants, wetlands, image gallery, info by state, useful tools, and common questions.