Over 2...

Database of amphibian species, with current scientific names, original names, citations from the literature, geographic distribution, notes, and external links to images from Google...

"Animal Diversity Web (ADW) is an online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan...

"FishBase is a relational database with information to cater to different professionals such as research scientists, fisheries managers, zoologists and many more...

The Index to American Botanical Literature has provided a service to the American botanical community for over a century...

The ITIS is the result of a partnership of federal agencies formed to satisfy their mutual needs for scientifically credible taxonomic information...

Database of the names and associated basic bibliographical details of all seed plants; includes indexes to accepted abbreviations for authors and sources...

Links to and information on ongoing taxonomic data projects...

Exquisite detailed photographs of flowers and plants of Missouri (many of which are found in Ohio as well) color- and leaf-keyed...

The SORA project is an open access electronic journal archive and is the product of a collaboration between the American Ornithologists Union, the Cooper Ornithological Society, the Association of Field Ornithologists, the Wilson Ornithological Society and the University of New Mexico libraries and IT department...

Andrew Stuart is the Subject Librarian for the Department of Biological Sciences, Department of Chemistry and Biochemistry and the Department of Environmental and Plant Biology...

"This database is intended to provide information on the classification of all living reptiles by listing all species and their pertinent higher taxa...

A "collection of information about biodiversity compiled collaboratively by hundreds of expert and amateur contributors...

Database containing well over a million zoological names...