American Society of Plant Taxonomists
Promotes research and teaching in the taxonomy, systematics, and phylogeny of vascular and nonvascular plants.
About two dozen links collected by the Ontology Project at the philosophy department of State University of New York at Buffalo.
European Consortium for the Barcode of Life
Project for DNA barcoding from a European perspective. List of European research institutes and researchers involved. Importance of DNA barcoding for taxonomy, the science of categorizing life forms.
Fairchild Tropical Garden Virtual Herbarium
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.
Is it Time to Revise the System of Scientific Naming?
Article from National Geographic News arguing that the taxonomic classification system devised by Linnaeus is outdated by genetic research that shows that morphological similarities are not necessarily proof of evolutionary relatedness.
Learn Plants Now
Strategies and tips for learning how to identify plants in the field. Introduction to botanical terms, checklist for plant identification, recommended resources.
NCBI Taxonomy Homepage
Provides a taxonomy browser, taxonomy resources and other information.
Systema Naturae 2000
An up-to-date historical cross-referenced classification of life based on original authoritative scientific literature.
Information from Wikipedia on the practice and science of classification, the arrangement of organisms in a hierarchical structure.
Taxonomy and Systematics at Glasgow
About taxonomy and systematics at the University of Glasgow, with links to other internet resources on these subjects.
Tree of Life
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.
Universal Biological Indexer and Organizer
A networked information service for biological information resources, based upon the Taxonomic Name Server, a thesaurus of taxonomic information.