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; also in North America. In England along the southern coast from Somerset to East Anglia and also in eastern Ireland.
Very rare, last recorded in only one site in saline conditions near Egloshayle (SX07) in 1991, where it is probably still present (SX07).
Habitat & Ecology
In a brackish pool in upper saltmarsh grassland.
The site is within the River Camel SAC and the adjacent field is being reverted to
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.