Geographic Data Committee (FGDC) reviews and approves a National Vegetation Classification Standard. Standards were developed by the Ecological Society of America's Vegetation Classification Panel.

The USDA Forest Service collects field data, performs spatial statistics, and maps potential plant associations to assist in planting and restoration efforts. The US Bureau of Land Management also establishes plant communities using "Ecological Sites," which are roughly equivalent to plant associations.

Definition

A plant community

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