• Source: British NVC community H4
  • NVC community H4 (Ulex gallii - Agrostis curtisii heath) is one of the heath communities in the British National Vegetation Classification system. It is one of three communities which are considered transitional between the lowland dry heaths and the wetter communities classified in the NVC as mires.
    It is a relatively localised community. There are four subcommunities.


    Community composition


    The following constant species are found in this community:

    Bristle Bent (Agrostis curtisii)
    Heather (Calluna vulgaris)
    Bell Heather (Erica cinerea)
    Cross-leaved Heath (Erica tetralix)
    Purple Moor-grass (Molinia caerulea)
    Tormentil (Potentilla erecta)
    Western Gorse (Ulex gallii)
    The following rare species are associated with the community:

    Bristle Bent (Agrostis curtisii)
    Soft-leaved Sedge (Carex montana)
    Dorset Heath (Erica ciliaris)
    Cornish Heath (Erica vagans)


    Distribution


    This community is confined to southwest England, from Dorset and Somerset westwards, and the southern coastal region of Wales.


    Subcommunities


    There are four subcommunities:

    the Agrostis curtisii - Erica cinerea subcommunity
    the Festuca ovina subcommunity
    the Erica tetralix subcommunity
    the Scirpus cespitosus subcommunity


    References


    Rodwell, J. S. (1991) British Plant Communities Volume 2 - Mires and heaths ISBN 0-521-39165-2 (hardback), ISBN 0-521-62720-6 (paperback)

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