The USNVC Hierarchy Explorer, hosted by USGS, provides detailed descriptions of all vegetation types in the United States based on USNVC 3.0, released in October 2025.
The USNVC Catalog, hosted by NatureServe, provides a filterable tabular summary of all vegetation types in the United States based on USNVC 3.0, released in October 2025. The catalog is organized by the USNVC hierarchy and allows users to readily scan through the entire classification.
The USNVC Hierarchy Explorer and the USNVC Catalog will be periodically refreshed as new information becomes available.
General Citation for USNVC 3.0
USNVC (United States National Vegetation Classification) Database Version 3.0. 2025 Federal Geographic Data Committee, Vegetation Subcommittee. Washington D.C. Date Month Year Accessed.
The USNVC is incorporated in NatureServe Explorer, a product of NatureServe and its natural heritage member programs. NatureServe Explorer integrates the USNVC with the International Vegetation Classification (IVC) and thus provides an international perspective.
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