The approximate corresponding National Vegetation Classification(s) (NVC) to
"Hard cliff and cliff slope":

H7 Calluna vulgaris-Scilla verna heath
H8 Calluna vulgaris-Ulex gallii heath
MC1 Crithmum maritimum-Spergularia rupicola maritime rock-crevice community
MC2 Armeria maritima-Ligusticum scoticum maritime rock-crevice community
MC3 Rhodiola rosea-Armeria maritima 36-ledge community
MC4 Brassica oleracea 36-ledge community
MC5 Armeria maritima-Cerastium diffusum ssp. diffusum maritime therophyte community
MC6 Atriplex prostrata-Beta vulgaris ssp. maritima sea-bird cliff community
MC7 Stellaria media-Rumex acetosa sea-bird cliff community
MC8 Festuca rubra-Armeria maritima maritime grassland
MC9 Festuca rubra-Holcus lanatus maritime grassland
MG1 Arrhenatherum elatius grassland
MG10 Holcus lanatus-Juncus effusus rush-pasture
MG11 Festuca rubra-Agrostis stolonifera-Potentilla anserina grassland
MG12 Festuca arundinacea 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.