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
Fungi: Ascomycetes; locally common in Britain.
First recorded at Lanhydrock SX06 in 1982 and then not recorded until 2005. VC1:
Tuckingmill SW64 in 2005 and same site in 2006; VC2: SX05 in 2006 and 2007, SX26 in 2007.
Habitat & Ecology
Associated species: Alder Alnus glutinosa . The fungus causes leaves to increase up
to twice as large as normal, thickened and incurved with a white bloom, appearing in
The spread of Alder Dieback Disease, Phytophthora alni .
SW64 site is managed by a local council. Plant more Alders and research into disease resistant Alder species.
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.