NOTE: Color printing for your visual aids available at Osterlin Library for .25/page.
U.S. Department of Agriculture standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.
Collaboration between the Royal Botanic Gardens, Kew and Missouri Botanical Garden enabled the creation of The Plant List by combining multiple checklist datasets held by these institutions and other collaborators.
Short videos explaining the structure and functioning of plants.
Search the ITIS, the Integrated Taxonomic Information System here. This site is result of global partnerships in science, and provides authoriative taxonomic information on plants, animals, fungi, and microbes.