- British NVC community CG1 (Festuca ovina - Carlina vulgaris grassland)
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NVC community CG1 ("Festuca ovina - Carlina vulgaris" grassland) is one of the calcicolous grassland communities in the
British National Vegetation Classification system. It is one of three short-sward communities associated with heavy grazing, within the lowland calcicolous grassland group, and is regarded as the south-west coastal counterpart of "typical" chalk grassland (community CG2).It is a comparatively localised community. There are six subcommunities.
Community composition
The following constant species are found in this community:
*Carline Thistle "Carlina vulgaris"
*Cock's-foot "Dactylis glomerata"
*Sheep's Fescue ("Festuca ovina")
*Mouse-ear Hawkweed ("Hieracium pilosella")
*Common Bird's-foot Trefoil ("Lotus corniculatus")
*Ribwort Plantain ("Plantago lanceolata")
*Salad Burnet ("Sanguisorba minor")
*Wild Thyme ("Thymus praecox")The following rare species are also associated with the community:
*
Bristol Rock-cress "Arabis stricta"
*Goldilocks Aster "Aster linosyris"
*Small Hare's-ear "Bupleurum baldense"
*Dwarf Sedge "Carex humilis"
*Dwarf Mouse-ear "Cerastium pumilum"
*Yellow Whitlowgrass "Draba aizoides"
*Portland Spurge "Euphorbia portlandica"
*Early Gentian "Gentianella anglica"
*White Rock-rose "Helianthemum apenninum"
*Hoary Rock-rose "Helianthemum canum"
* the hybrid between White and Hoary Rock-roses "Helianthemum × sulfureum"
*Spotted Cat's-ear "Hypochoeris maculata"
*Somerset Hair-grass "Koeleria vallesiana"
*Spring Cinquefoil "Potentilla tabernaemontani"
*Autumn Squill "Scilla autumnalis"
*Spring Squill "Scilla verna"
*Rock Stonecrop "Sedum forsterianum"
*Silver Ragwort "Senecio cineraria"
*Spiked Speedwell "Veronica spicata"
*Curving Feather-moss "Scorpiurium circinatum"
*Neat Crisp-moss "Tortella nitida"Distribution
This community is found in scattered locations on
limestone sites around the south and west coasts of Britain.ubcommunities
There are six subcommunities:
* the "Carex humilis" subcommunity
* the "Scilla autumnalis - Euphorbia portlandica" subcommunity
* the "Trinia glauca" subcommunity
* the "Helianthemum canum" subcommunity
* the "Koeleria macrantha" subcommunity
* the "Festuca rubra - Scilla verna" subcommunityReferences
*
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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