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).

A gray graphic bar
Quick search on:
  Any Name or TSN* Common Name Scientific Name TSN*
Go to Advanced Search and Report


 New & Edited Scientific Names this load: 5,572   
Monthly
Export
Scientific Names
(any rank, any usage)
Common
Names
29-Aug-2022
901,157
139,603
01-Aug-2022
898,065
137,694
Graphic Line
Last Updated: Thursday, July 28, 2022   
Privacy statement and disclaimers
  
How to cite ITIS  

In cooperation with
Logo: USGS Science for a Changing World    Logo: Smithsonian
spacer image
spacer image