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.

Gyalecta flotowii

Range & Status

Mostly on the base-rich bark of old Ash Fraxinus excelsior and Elm Ulmus spp. Also

recorded, less frequently on Sycamore Acer pseudoplatanus and Oak Quercus spp. It

occurs in nutrient tracks on Oak and Ash at Boconnoc and on Elm at Tremough near

Penryn. Older records should be checked as it is easily confused with G. truncigena .


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.