| OV39 | Asplenium trichomanes-Asplenium ruta-muraria community |
| OV40 | Asplenium viride-Cystopteris fragilis community |
| U18 | Cryptogramma crispa-Athyrium distentifolium snow-bed |
| U21 | Cryptogramma crispa-Deschampsia flexuosa community |
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.