TRAM-804 Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy: ITIS for DH from 01-Dec-2020 downloads

Authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. ITIS ia 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).