British NVC community H7

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NVC community H7 (Calluna vulgaris - Scilla verna heath) is one of the heath communities in the British National Vegetation Classification system. It is one of two communities categorised as maritime heaths.

It is a fairly widespread coastal community. There are five subcommunities.

[edit] Community composition

The following eleven constant species are found in this community:

• Heather (Calluna vulgaris)
• Bell Heather (Erica cinerea)
• Sheep's Fescue (Festuca ovina)
• Yorkshire-fog (Holcus lanatus)
• Common Cat's-ear (Hypochaeris radicata)
• Bird's-foot Trefoil (Lotus corniculatus)
• Ribwort Plantain (Plantago lanceolata)
• Sea Plantain (Plantago maritima)
• Tormentil (Potentilla erecta)
• Spring Squill (Scilla verna)
• Wild Thyme (Thymus praecox)

The following rare species are associated with the community:

• Chives (Allium schoenoprasum)
• Purple Milk-vetch (Astragalus danicus)
• Cornish Heath (Erica vagans)
• Portland Spurge (Euphorbia portlandica)
• Hairy Greenweed (Genista pilosa)
• Fringed Rupturewort (Herniaria ciliolata)
• Land Quillwort (Isoetes histrix)
• Spring Sandwort (Minuartia verna)
• Scottish Primrose (Primula scotica)
• Autumn Squill (Scilla autumnalis)
• Spring Squill (Scilla verna)
• Autumn Ladies-tresses (Spiranthes spiralis)
• Twin-headed Clover (Trifolium bocconei)
• Western Clover (Trifolium occidentale)

[edit] Distribution

This community is found all around the coasts of Scotland, western Wales, Devon and Cornwall.

[edit] Subcommunities

There are five subcommunities:

• the Armeria maritima subcommunity
• the Viola riviniana subcommunity
• the Erica tetralix subcommunity
• the Empetrum nigrum ssp. nigrum subcommunity
• the Calluna vulgaris subcommunity