British NVC community SD17

British NVC community SD17

NVC community SD17 ("Potentilla anserina - Carex nigra" dune-slack community) is one of the 16 sand-dune communities in the British National Vegetation Classification system.

It is one of five communities associated with dune slacks.

It is a very localised community. There are four subcommunities.

Community composition

The following constant species are found in this community:

* Creeping Bent ("Agrostis stolonifera")
* Common Sedge ("Carex nigra")
* Silverweed ("Potentilla anserina")
* Pointed Spear-moss ("Calliergon cuspidatum")

No rare species are associated with the community.

Distribution

This community is found in two areas - on the east coast, from Spurn Point to northwest Norfolk, and on the dunes of Liverpool Bay.

ubcommunities

There are three subcommunities:
* the "Festuca rubra - Ranunculus repens" subcommunity
* the "Carex flacca" subcommunity
* the "Caltha palustris" subcommunity
* the "Hydrocotyle vulgaris - Ranunculus flammula" subcommunity

References

* Rodwell, J. S. (2000) "British Plant Communities Volume 5 - Maritime communities and vegetation of open habitats" ISBN 0-521-39167-9 (hardback), ISBN 0-521-64476-3 (paperback)


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