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.

Juncus acutus - Sharp Rush

Range & Status

Native. Mediterranean-Atlantic plant; also in western North America. A coastal plant of

southern Britain and Ireland, and the Channel Islands.

Regional Distribution

Persisting in small numbers at three sand-dune sites on the north coast. Recently

discovered at two new sites; one at Daymer Bay (SW97), new to East Cornwall, and the other at Phillack Towans, Hayle (SW53).

Habitat & Ecology

In Cornwall it grows on fixed dunes, along a coastal path on a low cliff with flushes and at Gwithian where the sands have long been excavated.


None known.


Most of the sites are protected.

Click here to see Aphotoflora images by David Fenwick


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.

Cornish Biodiversity Network. 2017.