British NVC community CG10

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NVC community CG10 ("Festuca ovina - Agrostis capillaris - Thymus praecox" grassland) is one of the calcicolous grassland communities in the British National Vegetation Classification system. Of the upland group of calcicolous grasslands, it is the only one with a short sward associated with heavy grazing.

It is a comparatively widely distributed community in the British uplands. There are three subcommunities.

Community composition

The following constant species are found in this community:
* Common Bent ("Agrostis capillaris")
* Harebell ("Campanula rotundifolia")
* Sheep's Fescue ("Festuca ovina")
* Red Fescue ("Festuca rubra")
* Ribwort Plantain ("Plantago lanceolata")
* Tormentil ("Potentilla erecta")
* Self-heal ("Prunella vulgaris")
* Wild Thyme ("Thymus praecox")
* Common Dog-violet ("Viola riviniana")
* Glittering Wood-moss ("Hylocomium splendens")

The following rare species are also associated with the community:

* the Lady's-mantle ("Alchemilla filicaulis ssp. filicaulis")
* the Lady's-mantle ("Alchemilla wichurae")
* Hair Sedge ("Carex capillaris")
* Soft-leaved Sedge ("Carex montana")
* Rock Sedge ("Carex rupestris")
* Hoary Whitlowgrass ("Draba incana")
* Limestone Bedstraw ("Galium sterneri")
* Spring Sandwort ("Minuartia verna")
* Alpine Forget-me-not ("Myosotis alpestris")
* Dwarf Cudweed ("Omalotheca supina")
* Alpine Pearlwort ("Sagina saginoides")
* Dwarf Willow ("Salix herbacea")
* Sibbaldia ("Sibbaldia procumbens")
* Scottish Asphodel ("Tofieldia pusilla")

Distribution

This community is found widely on calcareous upland sites in Scotland, northern England and Wales.

ubcommunities

There are three subcommunities:
* the "Trifolium repens - Luzula campestris" subcommunity
* the "Carex pulicaris - Carex panicea" subcommunity
* the "Saxifraga aizoides - Ditrichum flexicaule" subcommunity

References

* Rodwell, J. S. (1992) "British Plant Communities Volume 3 - Grasslands and montane communities" ISBN 0-521-39166-0 (hardback), ISBN 0-521-62719-2 (paperback)

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