Kingdom Plantae
Subcategories are organized according to the taxonomy tree:
- Divisions
-- Classes
--- Families
---- Genera
Orders and subtaxons are missed for escaping from "unstable" taxons.
Authoritative scientific information on 12,000 taxa in Western Australia, including maps, images, descriptions, specimen, and nomenclatural information. Requires registration. florabase.calm.wa.gov.au
References on California plant names, meanings and derivations from Latin and Greek roots, with biographical information on western botanists and collectors. www.calflora.net
Southern Illinois University's guide to the taxonomic and evolutionary relations among terrestrial plants, with extensive links to other resources. www.science.siu.edu/landplants
Online USDA database of information, images, and links on plants in the USA, including crops and invasives. Search by name, geographic distribution, or other characteristics. plants.usda.gov
A collaborative project of the International Association for Plant Taxonomy and the Smithsonian Institution, providing a compilation of generic names published for all organisms covered by the International Code of Botanical Nomenclature. rathbun.si.edu/botany/ing
A growing directory of the hierarchy, from Kingdom down to species, with common names included, and descriptive pages on selected species. www.cloudnet.com/~djeans/index.htm
Continuing project with annotated checklists of pteridophytes, gymnosperms, and most monocots, with links to dot maps for each taxon. neatlas.huh.harvard.edu
Information about the research themes and training undertaken at the national herbarium of the Netherlands, with links to the three contributary universities. www.nationaalherbarium.nl
The herbarium and the associated paleobotanical collection have combined holdings of approximately 1/2 million specimens. Includes library search, catalog, and project information. www.flmnh.ufl.edu/natsci/herbarium