Explore The Classification
The USNVC Hierarchy Explorer provides detailed descriptions of vegetation types in the U.S. USNVC Version 2.0 is the 2016 release of the classification. Some levels of the USNVC are under development and review for details see Status of USNVC Vegetation Hierarchy.
General Citation for USNVC 2.0:
USNVC [United States National Vegetation Classification]. 2016. United States National Vegetation Classification Database, V2.0. Federal Geographic Data Committee, Vegetation Subcommittee, Washington DC. [usnvc.org] (accessed [day] [month] [year])