British NVC community CG10
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.
Subcommunities
    
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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