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.
Range & Status
Native. Suboceanic Southern-temperate grass. South coast of Britain from Sussex to
Cornwall and from Somerset to Pembrokeshire with scattered sites on the east coast south of the Humber.
Regional Distribution
Now only at one site; near Cotehele on the banks of the River Tamar (SX46).
Habitat & Ecology
A brackish marsh.
Threats
None apparent.
Conservation
The site is owned by the National Trust.
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.