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.

Arthrorhaphis muddii - a lichenicolous fungi

Range & Status

Previously known as A. fuscireagens , this species is a lichenicolous fungus that is

commensalistic on Diabaeis baeomyces . Recently (2007) found to be occasional to

frequent on china-clay spoil at Higher Trelay, Trelavour Downs and Tresayes Downs near St. Austell. Elsewhere it occurs on heavy metal-rich shingle gravels in Wales (Dyfed, Ystwyth) and near the summits of mountains in north-west Scotland (Sutherland, Ross).


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.