Explore the Classification

USNVC Hierarchy Explorer provides detailed descriptions of vegetation types in the United States. USNVC 3.0 is the October 2025 release of the classification.

General Citation for USNVC 3.0

USNVC (United States National Vegetation Classification) Database Version 3.0. 2025. USNVC Hierarchy Explorer, Science Analytics and Synthesis (SAS) Program, U.S. Geological Survey. (Federal Geographic Data Committee, Vegetation Subcommittee). Washington D.C. Date Month Year Accessed.