Repository of information about the 3D structures of large biological molecules, including proteins and nucleic acids, and their relationships to sequence, function, and disease.
Collection of information about biodiversity compiled collaboratively by hundreds of expert and amateur contributors. Contains pictures, text, and other information for species living or extinct and the hierarchy of life, phylogeny and evolution.
Digitized journals and books in biodiversity spanning 200 years from the collections of ten major natural history museum libraries, botanical libraries, and research institutions.
Database of verified butterfly and moth records in the United States and Mexico. Includes distribution maps, photographs, species accounts, and species checklists for each county in the U.S. and each state in Mexico.