Botany: Internet Sites

National Agricultural Library.

USDA Agricultural Research Service.

Authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

US National Science Foundation (NSF).

Provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.

Searches over 40 databases and 1,950 selected websites, offering 200 million pages of authoritative U.S. government science information, including research and development results.

Smithsonian Institute.

University of Oklahoma.

A unit of the Department of Natural History of the Florida Museum of Natural History.

A database of the names and associated basic bibliographical details of seed plants, ferns and fern allies.

From the publishers of Nature magazine. Not all content is free.

Center for New Crops and Plant Products, Purdue University.

Discover sources in 1102 North American nurseries for 109819 plants, find 384996 citations to 145554 plants in science and garden literature, link to selected websites for images and regional information about 13612 plants,

repository of over 8,800 plant images developed and maintained by the Texas A&M University, Bioinformatics Working Group (TAMU-BWG).