Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Blysmus compressus - Flat-sedge



Range & Status

Native. European Temperate, with a continental distribution in western Europe; also in Central Asia. Mainly found in East Anglia, northern and central-southern England, with a scattering of sites elsewhere, except Ireland.

Regional Distribution

Restricted to the Ellenglaze valley, but may still persist near the Lost Church, both sites in the Penhale Sands (SW75). It has gone from Perranporth (SW75), Porthtowan (SW64) and two sites on The Lizard (SW61).

Habitat & Ecology

Grows around the edge of dune-slacks and slightly drier areas of base-rich marshland.

Threats

The growth of Grey Willow threatens some of the dune slacks on Penhale Sands.

Conservation

Penhale Sands is part of an SAC. The MOD has undertaken willow scrub clearance within the parts of the Ellenglaze valley under their stewardship.



Click here to see Aphotoflora images by David Fenwick

Source:

I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.