ITIS: Integrated Taxonomic Information SystemHere you will find authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. ITIS is 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 provides the taxonomic backbone to the Encyclopedia of Life (EOL).