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Federal
Plant List of Accepted Nomenclature, Taxonomy, and Symbols (PLANTS) Database
Department of Agriculture —
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories -
Federal
Gridded Soil Survey Geographic (gSSURGO-30) Database for the Conterminous United States - 30 meter NGDA
Department of Agriculture —
This dataset is called the Gridded SSURGO (gSSURGO) Database and is derived from the Soil Survey Geographic (SSURGO) Database. SSURGO is generally the most detailed... -
Federal
Soil Landscapes of the United States 100-meter (SOLUS100) soil property maps
Department of Agriculture —
Soil Landscapes of the United States, or SOLUS, is a national map product developed by the National Cooperative Soil Survey that is focused on providing a consistent...