The approximate corresponding National Vegetation Classification(s) (NVC) to
"Machair sand dune":

SD8 Festuca rubra-Galium verum fixed dune grassland

The NVC divides communities broadly acccording to habitat, using a letter shorthand to indicate the general habitat type:

  • A = water,
  • CG = calcareous grassland,
  • H = heath,
  • M = mire,
  • MC = maritime cliff,
  • MG = mesotrophic grassland (moderately fertile soil),
  • OV = open vegetation,
  • S = swamp,
  • SD = sand dune,
  • SM = salt marsh,
  • U = upland, and
  • W = wood.

There are 286 communities that are listed here. Sub-communities have not been included. JNCC 2017.