Phylum: Basidiomycota Family: Hygrophoraceae
Hygrocybe ceracea (Wulfen) P. Kummer
Butter waxcap
A bright yellow waxcap with a greasy cap and stipe. Fairly common in unimproved grassland, fixed dunes and machair, often in large groups.
References:
Boertmann, D. (2010 revised second edition) The Genus Hygrocybe
Wood, E. & Dunkelman, J. (2017) Grassland Fungi: a field guide
Hedger, J. & George, D. (2018) Lundy Fungi: a photographic guide
Harries, D. (2017) A Guide to Waxcaps in West Wales