Botanical resources from dozens of research institutions. Includes planty type specimens, scientific research articles and correspondence dating back hundreds of years.
Focuses on vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. Includes names, checklists, automated tools, identification information, species abstracts, distributional data, crop information, plant symbols, plant growth data, plant materials information, etc.
Formerly Aquatic Sciences and Fisheries Abstract (ASFA). International database for marine, freshwater and brackish water resources, early 1900's-present.
Digital collection of images related to freshwater and marine topics. It includes images of fish, shellfish, and marine mammals, pictures of fish hatcheries, dams, and vessels, materials related to polar exploration, regional and traditional fisheries, and limnological (freshwater) subjects.
WHOI is the world's largest private, nonprofit ocean research, engineering and education organization. Access research activities, information and images on different animal species, as well as news and information on ocean and coastal-related topics.
John Johnston De Exanguibus Aquaticis Meerestiere, from Wikimedia Commons.