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Tregonning Hill
Tregonning Hill is the westerly of two granite hills overlooking Mount's Bay in west Cornwall, England, United Kingdom, the other being Godolphin Hill. They are approximately west of the town of Helston.〔Ordnance Survey: Landranger map sheet 203 ''Land's End'' ISBN 978-0-319-23148-7〕 Part of the hill is designated as a Site of Special Scientific Interest (SSSI) and at the date of notification (1994) was the only known site of western rustwort (''Marsupella profunda'') in Great Britain.〔(【引用サイトリンク】url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/1007148.pdf )〕
Germoe war memorial is on the summit of the hill.
== Wildlife and ecology ==
The main vegetation types on the hill are western lowland heath and scrub. The heath consists of a mixture of heather (''Calluna vulgaris''), bell heather (''Erica cinerea'') and western gorse (''Ulex gallii''] with cross–leaved heath (''Erica tetralix'') replacing ''E. cinerea'' in wet areas. Bilberry
(''Vaccinium myrtillus'') and tormentil (''Potentilla erecta'') also occur. On the deeper soils European gorse (''Ulex europaeus''), bracken (''Pteridium aquilinum'') and bramble (''Rubus fruticosus'') are the dominate scrub species. The bare slopes of the old china clay works are where western rustwort (''Marsupella profunda'') occurs.〔 By 2004 the liverwort was known from fourteen sites within three SSSIs, making Cornwall the main stronghold globally. The nationally scarce moss (''Brachydontium trichodes'') known from only two sites in Cornwall also occurs on Tregonning Hill.〔 As of 7 September 2010 the condition of the SSSI was considered to be ″unfavourable declining″.〔(【引用サイトリンク】url=http://www.sssi.naturalengland.org.uk/special/sssi/unit_details.cfm?situnt_id=1003491 )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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