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more general categories information about this item 10. Biology and Chemistry 10. Biology and Chemistry Biology and Chemistry (144) Species (46) description: Integrated Taxonomic Information System (ITIS) provides consistent and reliable information on taxonomy of biological species. Database draws from a large community of taxonomic experts. Smithsonian National Museum of Natural History provides content staff. US Geological Survey provides IT services. ITIS primary focus is North American species, but many groups are worldwide and ITIS collaborates with other international agencies to increase global coverage. AFDSI integrates ITIS data with complementary ontologies. complete name: Integrated Taxonomic Information System