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__NOTOC__ NVC community CG2 (''Festuca ovina - Avenula pratensis'' 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 "typical" chalk grassland. It is a comparatively widely distributed community. There are four subcommunities. ==Community composition== The following constant species are found in this community: * Meadow Oat-grass (''Avenula pratensis'') * Quaking-grass (''Briza media'') * Glaucous Sedge (''Carex flacca'') * Sheep's Fescue (''Festuca ovina'') * Mouse-ear Hawkweed (''Hieracium pilosella'') * Crested Hair-grass (''Koeleria macrantha'') * Rough Hawkbit (''Leontodon hispidus'') * Fairy Flax (''Linum catharticum'') * Bird's-foot Trefoil (''Lotus corniculatus'') * Ribwort Plantain (''Plantago lanceolata'') * Salad Burnet (''Sanguisorba minor'') * Small Scabious (''Scabiosa columbaria'') * Wild Thyme (''Thymus praecox'') The following rare species are also associated with the community: * Man Orchid (''Aceras anthropophorum'') * Ground-pine (''Ajuga chamaepitys'') * Purple Milk-vetch (''Astragalus danicus'') * Great Pignut (''Bunium bulbocastanum'') * Rare Spring Sedge (''Carex ericetorum'') * Dwarf Sedge (''Carex humilis'') * Soft-leaved Sedge (''Carex montana'') * Dwarf Mouse-ear (''Cerastium pumilum'') * Tuberous Thistle (''Cirsium tuberosum'') * an eyebright (''Euphrasia pseudokerneri'') * Slender Bedstraw (''Galium pumilum'') * Limestone Bedstraw (''Galium sterneri'') * Early Gentian (''Gentianella anglica'') * Chiltern Gentian (''Gentianella germanica'') * Musk Orchid (''Herminium monorchis'') * Spotted Cat's-ear (''Hypochoeris maculata'') * Wild Candytuft (''Iberis amara'') * Perennial Flax (''Linum perenne'' subsp. ''anglicum'') * Late Spider-orchid (''Ophrys fuciflora'') * Early Spider-orchid (''Ophrys sphegodes'') * Monkey Orchid (''Orchis simia'') * Burnt Orchid (''Orchis ustulata'') * Oxtongue Broomrape (''Orobanche picridis'') * Round-headed Rampion (''Phyteuma tenerum'') * Dwarf Milkwort (''Polygala amara'') * Chalk Milkwort (''Polygala calcarea'') * Pasqueflower (''Pulsatilla vulgaris'') * Meadow Clary (''Salvia pratensis'') * Field Fleawort (''Senecio integrifolius'' ssp. ''integrifolius'') * Moon Carrot (''Seseli libanotis'') * Nottingham Catchfly (''Silene nutans'') * Autumn Ladies'-tresses (''Spiranthes spiralis'') * Cut-leaved Germander (''Teucrium botrys'') * Bastard-toadflax (''Thesium humifusum'') * Large Thyme (''Thymus pulegioides'') * Spiked Speedwell (''Veronica spicata'') 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「British NVC community CG2」の詳細全文を読む スポンサード リンク
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