itis.govITIS.gov | Integrated Taxonomic Information System (ITIS) Home About Mission What's New Organizational Information History Organization and Partners Memorandum of Understanding Data Development History Data Definition and Standards Standards Data Definition Frequently Asked Questions What is an ITIS TSN? How Do I Cite ITIS? How Do I Link to ITIS? What is the format of a download file? Contact Us Data Access and Tools Data Access Information ITIS Tools Advanced Search Web Services Web Service Information Description of ITIS Web Services Developing a Client ITIS Solr Web Services ITIS Solr WS Examples Hierarchical Report Compare Names Get ITIS Data Full Database Download Instructions Database Files Download Data in TWB Format Become a Data Partner Contribute Taxonomic Workbench Help 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). New & Edited Scientific Names this load: 12,735