The ESA Standards Document

Guidelines for Describing Associations and Alliances of the U.S. National Vegetation Classification

Version 4.0 (July 2004)

Download as:
pdf file [1.1MB]

Older versions are still available:

Version 3 (November 2003)

Download as:
pdf file [500K]

Version 2.0 (March 2003)

Download as:
pdf file [1.2M]
zipped doc file [199K].

Version 1.0 (May 2002)

Standards for Associations and Alliances of the US National Vegetation Classification
Download as:
pdf file [1.5M]
zipped doc file [138K].

The Panel welcomes proposals for revisions. Proposals should be directed to the Chair of the Panel.