Robert Thompson / Yellow stagshorn fungus (Calocera viscosa) Tollymore Forest, County Down, Northern Ireland, September.

Chris Mattison / Yellow stagshorn fungus (Calocera viscosa), Ecclesall Woods, Sheffield, South Yorkshire, England, UK, October.

David Kjaer / Yellow stagshorn (Calocera viscosa) New Forest, Hampshire, UK

Alex Hyde / Small stagshorn fungus (Calocera cornea) growing on dead beech tree. Peak District National Park, Derbyshire, UK. November.

Alex Hyde / Yellow stagshorn fungus (Calocera viscosa) Peak District National Park, Derbyshire, UK. October.

Philippe Clement / Yellow stagshorn (Calocera viscosa) growing among autumn leaves, Belgium, November

Stephen Dalton / Yellow Staghorn fungus (Calocera viscosa) Sussex, England, UK, October.

Robert Thompson / Yellow stagshorn fungus (Calocera viscosa) growing in woodland, Tollymore Forest, County Down, Northern Ireland. September.

Nick Upton / Small stagshorn fungus (Calocera cornea) growing on rotten Willow (Salix sp.) log in damp deciduous woodland, Kenfig NNR, Wales, UK, October.

Alex Hyde / Stags horn fungus (Calocera viscosa) Highlands, Scotland, UK. October.

Alex Hyde / Stags Horn fungus (Calocera viscosa) Highlands, Scotland, UK. Ocotber.

Guy Edwardes / Yellow staghorn fungus (Calocera viscosa), New Forest National Park, Hampshire, England, UK. October.