NVC community SD12 (Carex arenaria - Festuca ovina - Agrostis capillaris dune grassland) is one of the 16 sand-dune communities in the British National Vegetation Classification system.
It is one of four communities associated with fixed dunes.
It is a very localised community. There are two subcommunities.
Community composition
The following constant species are found in this community: Common Bent (Agrostis capillaris) Marram (Ammophila arenaria) Sand Sedge (Carex arenaria) Sheep's Fescue (Festuca ovina) Smooth Meadow-grass (Poa pratensis)
The following rare species is also associated with the community: Purple Milk-vetch (Astragalus danicus)
Distribution
This community is found in five coastal localities - one in northeast Scotland, two in southwest Scotland, one in Cumbria and one in Wales.
Subcommunities
There are two subcommunities: the Anthoxanthaum odoratum subcommunity the Holcus lanatus subcommunity
References
Rodwell, J. S. (2000) British Plant Communities Volume 5 - Maritime communities and vegetation of open habitats (hardback), (paperback)