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British NVC community CG2

From Wikipedia, the free encyclopedia

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

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The following constant species are found in this community:

The following rare species are also associated with the community:

Distribution

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This community is found in lowland limestone grassland throughout England and Wales.

Subcommunities

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There are four subcommunities, one of which is subdivided into three variants:

  • the Cirsium acaule - Asperula cynanchica subcommunity, subdivided into:
    • a typical variant
    • a Filipendula vulgaris - Helinathemum nummularium variant
    • a Pseudoscleropodium purum - Prunella vulgaris variant
  • the Succisa pratensis - Leucanthemum vulgare subcommunity
  • the Holcus lanatus - Trifolium repens subcommunity
  • the Dicranum scoparium subcommunity

References

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  • 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)