Phylum: Basidiomycota Family: Tricholomataceae
Arrhenia umbratilis (Fr.) Redhead, Lutzoni, Moncalvo & Vilgalys
A first authenticated record for Britain.
Typical Arrhenia characters of flat to funnel-shaped cap when mature, with pronounced decurrent gills. Few members of this genus have cheilocystidia but this one does, and quite distinct.
Found in mossy, moist habitat in acidic moorland conditions.
Voucher material was sent to Kew where the species was confirmed. The voucher material is now deposited in the Kew collection under accession number K(M) 180164.
Johnson, C. 2013. Arrhenia umbratilis new to Britain. Field Mycology 14(3):96-97.