NVC community SD3 is one of two strandline community in the British National Vegetation Classification

British National Vegetation Classification

The British National Vegetation Classification or NVC is a system of classifying natural habitat types in Great Britain according to the vegetation they contain....

 system.

It is a fairly localised community of northern Britain. There are no subcommunities.

Community composition

Two constant species, Cleavers (Galium aparine) and Sea Mayweed (Matricaria maritima), are found in this community.

Two rare species, Oysterplant (Mertensia maritima) and Ray's Knotgrass (Polygonum oxyspermum ssp. raii), are also associated with the community.

Distribution

This community is found in many localities in Scotland, principally on the west coast, and on the northwest coast of England.