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Astronomy Thesaurus Index

A thesaurus of terminology in the field of astronomy.


Bird Families of the World : The Sibley and Monroe Classification


Glossary (Weather Channel)


Royal Tyrrell Musem


The Leakey Foundation A member supported organization committed to research related to human origins.


Orthoptera Species File Online


Mammal Species of the World / National Museum of Natural History, Smithsonian Institution

The Mammal Species of the World (MSW) contains the names of the 4,629 currently recognized species of mammals, in a taxonomic hierarchy that includes Order, Family, Subfamily, and Genus.


Dictionary of Common Names


The Families of Flowering Plants


Forestry : Terminology Collection - Online Dictionaries Directory of online directories about forestry.


Grass Genera of the World


Index Nominum Genericorum (Plantarum) The Index Nominum Genericorum (ING), a collaborative project of the International Association for Plant Taxonomy (IAPT) and the Smithsonian Institution, was initiated in 1954 as a compilation of generic names published for all organisms covered by the International Code of Botanical Nomenclature.


Index Nominum Supragenericorum Plantarum Vascularium The purpose of the project is to capture all valid and legitimate extant vascular plants names, as defined by the International Code of Botanical Nomenclature, proposed above the rank of genus.


Plants National Database The PLANTS Database is a single source of standardized information about plants. This database focuses on vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. The PLANTS Database includes names, checklists, automated tools, identification information, species abstracts, distributional data, crop information, plant symbols, plant growth data, plant materials information, plant links, references, and other plant information


Vascular Plant Families and Genera The data presented here are taken from the publication  Vascular Plant Families and Genera compiled by R. K. Brummitt and published by the Royal Botanic Gardens, Kew in 1992.


The EMBL Reptile Database


Index to Organism Names (OIN) The Index to Organism Names is a tool for biologists sponsored and hosted by BIOSIS, incorporating name data from resources of BIOSIS and several other collaborating organizations. It is maintained in the UK by staff of the Zoological Record


Integrated Taxonomic Information System (ITIS) The Integrated Taxonomic Information System (ITIS) is a partnership of U.S., Canadian, and Mexican agencies, other organizations, and taxonomic specialists cooperating on the development of an on-line, scientifically credible, list of biological names focusing on the biota of North America.


Index Virum : Catalogue of Viruses