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. Our mission is to communicate a comprehensive taxonomy of global species that enables biodiversity information to be discovered, indexed, and connected across all human endeavors. The ITIS program partners with specialists from around the world to assemble scientific names and their taxonomic relationships. ITIS is an Associate Participant of the Global Biodiversity Information Facility (GBIF) and a partner and contributor to the Catalogue of Life (COL) and ChecklistBank which are the basis of the GBIF Backbone Taxonomy.

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New & Edited Scientific Names this load: 8,464

Monthly Export	Scientific Names (any rank, any usage)	Common Names
31-Mar-2025	967,717	154,158
20-Feb-2025	965,032	152,250

Last Updated: Tuesday, March 18, 2025
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