Includes photos of more than 50,000 plant, palm, cycad and other cultivated tropical plants from Florida and taxonomic information on grasses, especially bamboos, and other economically important and interesting plants.

A global network of country-owned collaborative LOOPs to support national programs for biosystematics to support goals in areas such as sustainable development and pest management.

A flexible format for encoding taxonomic descriptions for computer processing. It can be used to produce natural-language descriptions, keys, classifications, and information-retrieval systems.

A project examining the phylogenetic tree of life and all of its features, with information and pictures for every class and an interactive, dynamic hierarchy.

Etymologies, puns and funny sounds, wordplay, and more in taxonomy.

Authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

A short glossary explaining some of the terms used in taxonomy. From a site on scale insects.

A networked information service for biological information resources, based upon the Taxonomic Name Server, a thesaurus of taxonomic information.

A project containing information about the diversity of organisms on Earth, their history, and characteristics. The information is linked together in the form of the evolutionary tree that connects all organisms to each other.

About taxonomy and systematics at the University of Glasgow, with links to other internet resources on these subjects.