- Andean Botanical Information System
International Plant Names Index
Searchable database of scientific names and bibliographic references for seed plants, ferns, and fern allies.
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Searchable database of millions of specimen records, images and bibliographic references for tropical plants, provided by the Missouri Botanical Garden.
A collection of information from the floristic and systematic investigations of the phanerogams of Andean South America.
Encyclopedia of Life
Features species web pages with the goal of organizing all information about all life forms in a central online clearinghouse--presented in multiple languages.
- Photobiology Online
Tree of Life Web Project
Online database that compiles information and images about biodiversity and evolutionary relationships. Ultimately aims to include a page for every known species.
A cooperative presentation of the European and American Societies for Photobiology from the University of Kansas Medical Center and from the Central Research Institute for Chemistry of the Hungarian Academy of Sciences.
- Links for Chemists
A directory of chemistry resources, courtesy of the University of Liverpool
Updated January, 2009