Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

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.

Calosiphonia vermicularis



Range & Status

Very few specimens have ever been collected in Britain. Until recently, when this species was found in the Helford estuary, there had been no twentieth century collections. This species has a very distinct south-western distribution and is currently known from the south and north coasts of Cornwall, Devon and Pembrokeshire. Here it occurs on small stones and shells in the subtidal zone to about 15m depth water, in relatively wave-sheltered situations.

Source:

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.