Electronic Sites of Botany, Plant Biology & Science Journals - Links to the electronic sites of major journals publishing articles about plants and plant biology.Dr. Scott Russell's Botanical Links - Variety of informative, up-to-date, plant-related links from the Univ. of Oklahoma.
Internet Directory for Botany - an index to botanical information available on the Internet. It consists of two parts, an alphabetical directory and a categorical directory.
Internet Directory for Botany: Algae, Bryophytes, Fungi - links to many interesting sites in lower plants, e.g. algae, bryophytes and fungi.
Plant Biology Index - Alphabetically listed and keyword search for topics in Plant Biology.
Floraguide - Searchable directory of links related to plants, horticultural companies, botany/horticulture forums, software, and trees of Spain.
Gray Herbarium Index of New World Plants - Search the database of more than 325,000 names of New World vascular plants by the following plant names: family, genus, species or epithet.
Wisconsin Vascular Plants - Extensive collection of photogaphs, distribution maps, and other botanical information, organized by taxon.
International Organization for Plant Information - 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.
Treebase: A database of phylogenetic knowledge - Database of phylogenetic knowledge (i.e., trees of species, and genes).
MBG: W3TROPICOS - Database of plant names, information on them, and the sources of information.
Academic Info: Botany - An annotated directory of Internet resources tailored toward students and researchers.
USDA PLANTS Database - 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.
CalFlora Database - provides access to information about all 8375 currently recognized plants in California, including more than 670,000 plant observations and 20,000 photographs.
Links2Go: Botany - Links and topics related to botany.
Plants For a Future - 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.
Internet Directory for Botany - A collection of links to resources and images.
Schoolhouse: Science: Botany Resources - A list of links related to various aspects of botany.
The Gatherer at Kippewa Gardens - Plant use multiple database search engine.