British NVC community CG1 (Festuca ovina - Carlina vulgaris grassland)
Encyclopedia
NVC community CG1 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.
The following rare species are also associated with the community:
sites around the south and west coasts of Britain.
Calcicolous grasslands in the British National Vegetation Classification system
This article gives an overview of the calcicolous grassland communities in the British National Vegetation Classification system.-Introduction:The calcicolous grassland communities of the NVC were described in Volume 3 of British Plant Communities, first published in 1992, along with the...
communities in the British National Vegetation Classification
British National Vegetation Classification
The British National Vegetation Classification or NVC is a system of classifying natural habitat types in Great Britain according to the vegetation they contain....
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
British NVC community CG2
NVC community CG2 is one of the calcicolous grassland communities in the British National Vegetation Classification system...
).
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 FescueSheep's FescueSheep's Fescue or Sheep Fescue is a species of grass.-General Description:It is a perennial plant sometimes found in acidic ground, for example in the Portlethen Moss, Scotland and mountain pasture, throughout Europe and eastwards across much of Asia; it has also been introduced to North...
(Festuca ovina) - Mouse-ear HawkweedMouse-ear HawkweedMouse-ear Hawkweed is a yellow-flowered species of Asteraceae, native to Europe and northern Asia. It produces single, citrus-colored inflorescences. It is an allelopathic plant...
(Hieracium pilosella) - Common Bird's-foot Trefoil (Lotus corniculatus)
- Ribwort Plantain (Plantago lanceolata)
- Salad BurnetSalad BurnetSanguisorba minor is a plant in the family Rosaceae that is native to western, central and southern Europe; northwest Africa and southwest Western Asia; and which has naturalized in most of North America...
(Sanguisorba minor) - Wild ThymeWild thymeThymus serpyllum, known by the common names of Breckland Thyme, Wild Thyme or Creeping Thyme is a species of thyme native to most of Europe and North Africa. It is a low, usually prostrate subshrub growing to 2 cm tall with creeping stems up to 10 cm long, with oval evergreen leaves...
(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 SpeedwellSpiked SpeedwellVeronica spicata is a species of the genus Veronica.It is the county flower of Montgomeryshire in the United Kingdom. Cultivated varieties include blue , red and white ....
Veronica spicata - Curving Feather-moss Scorpiurium circinatum
- Neat Crisp-moss Tortella nitida
Distribution
This community is found in scattered locations on limestoneLimestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....
sites around the south and west coasts of Britain.
Subcommunities
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 subcommunity