Integrated Taxonomic Information System

  Welcome to ITIS, the Integrated Taxonomic Information System! Here you will find authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. We are a partnership of U.S., Canadian, and Mexican agencies (ITIS-North America); other organizations; and taxonomic specialists. ITIS is also a partner of Species 2000 and the Global Biodiversity Information Facility (GBIF). The ITIS and Species 2000 Catalogue of Life (CoL) partnership is proud to provide the taxonomic backbone to the Encyclopedia of Life (EOL).

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 New & Edited Scientific Names this load: 13,068   
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Scientific Names
(any rank, any usage)
Common
Names
08-Dec-2023
927,621
143,616
17-Nov-2023
927,102
143,597
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Last Updated: Thursday, December 14, 2023   
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