provides access to information about all 8375 currently recognized plants in California, including more than 670,000 plant observations and 20,000 photographs.
Variety of informative, up-to-date, plant-related links from the Univ. of Oklahoma.
Manages a series of cooperative international projects that aim to create plant taxonomic information databases; also includes useful general botanical links - commissioned by the International Union of Biological Sciences.
A resource centre for rare and unusual plants, particularly those which have edible, medicinal or other uses. The site contains an online database of over 7000 plants.
Plant names, photos, fact sheets, and information on culturally significant plants, noxious and invasive plants, and threatened and endangered plants, with links to thousands of plant-related sites and software tools.
Collection of scholarly and research links for plant biology.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us