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 species. Believed to be native in north-eastern parts of
south-west England and south-east Wales, though its native status needs confirmation (Cheffings & Farrell (Eds.), 2005).
Considered to be native at one site in north-east Cornwall (SS21). The majority of other records are doubtful and may be referable to the introduced A. x cammarum .
Habitat & Ecology
Grows on river banks that periodically flood, in or along the edges of woodland.
The site where it is considered to be native in Cornwall 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.