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
An epiphytic alga forming small spots on the blades of Palmaria palmata and Laminaria saccharina (now known as Saccharina latissima (Linnaeus) C.E. Lane, C. Mayes, Druehl & G.W. Saunders) in the lower intertidal and shallow subtidal zones. Very few British records for this summer annual which may be under-recorded.
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.