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. European Temperate plant. Found throughout the British Isles, but rapidly
Scattered in the southern half of Cornwall from near Land' s End (SW32) to near Saltash (SX44). A possible casual on the Isles of Scilly.
Habitat & Ecology
Mostly an arable weed, sometimes a casual on waste ground. There are old records for subsp. curtisii in coastal grassland.
Changes in the management of arable fields.
None of the sites are protected.
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.