Report on the marsh honey fungus Armillaria ectypa, a UK BAP species (ENRR540)

Marsh honey fungus Armillaria ectypa was added to the British list in 1995. Two more records were made in 2002 (an old record for Minsmere needs confirmation). It is also extant in Austria, Czech Republic, Slovakia, Denmark, Finland, Germany, Japan, Sweden and The Netherlands but is believed to be extinct in Switzerland. It is ranked as Endangered in the UK BAP, but as Vulnerable in A provisional Red Data List of British fungi (Ing 1992).