Searchable database allows users to submit queries for the names of specific plant genera.

Offers data on the names, relationships, characteristics, and distribution patterns of over 21,000 North American plants.

Offers a complete list of families, characteristics, and distribution regions useful in identifying plant specimens.

Germplasm Resources Information Network provides nomenclature for thousands of genera, searchable by country and state.

Recognizes, classifies, and names living and fossilized plants and fungi. Find membership details and nomenclature conventions.

Details the nomenclature system used by botanists and offers a database of specific plant varieties searchable by scientific name or subject.

Find a detailed list of species from the legume family, many of which have a great economic and agricultural importance.

International Union for Biological Sciences promotes the use of standards and the exchange of data for plant taxonomy. Includes a newsletter.

Find a list of the 2,916 vascular plant taxa found in the New England area. With a synoptic listing of families.

Access data on the fungi, plantae, chromista, metazoa, and protisa kingdoms. With photos and descriptions of key entries, and scientific names.