Catalog and index to the collections of the National Agricultural Library, as well as a primary public source for world-wide access to agricultural information.
The goal of the Native Plant Information Network is to assemble and disseminate information that will encourage the sustainable use and conservation of native wildflowers, plants and landscapes throughout North America.
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts and lichens of the United States and its territories.
NatureServe Explorer is an authoritative source for information on more than 70,000 plants, animals and ecosystems of the United States and Canada. Explorer includes particularly in-depth coverage for rare and endangered species.
Science.gov searches more than 36 databases and 1,850 selected websites, offering 200 million pages of authoritative U.S. government science information, including research and development results.
The Biodiversity Heritage Library (BHL) is a consortium of natural history and botanical libraries that cooperate to digitize and make accessible the legacy literature of biodiversity held in their collections and to make that literature available for open access and responsible use as a part of a global “biodiversity commons.” No password is required.
The United States Department of Agriculture (USDA) works to support the American agricultural economy to strengthen rural communities, to protect and conserve our natural resources, and to provide a safe, sufficient and nutritious food supply for the American people.
View photographs and botanical illustrations, search the botany collections and explore publications and research information provided by the Museum of Natural History.