Digitized journals and books in biodiversity spanning 200 years from the collections of ten major natural history museum libraries, botanical libraries, and research institutions.
Flora of the vascular plants of the Canadian Arctic Archipelago with images, maps and information on place of valid publication, synonymy, common names, vegetative and floral morphological characters, distribution, habitat, ecology, indigenous knowledge, and economic uses, etc.
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.
Database of research protocols in a variety of life science fields. Contains protocols contributed by worldwide researchers as well as links to protocols on the Web from research labs, biotech companies, and personal Web sites.
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.
Collection of images, movies, illustrations and animations in development biology, histology and pathology, immunology, microbiology and parasitology, molecular and cellular biology, neuroscience, plant biology.