Alex Hyde / Fruiting body of fungi (Crepidotus applanatus / variabilis) growing on leaf litter in beech woodland. Peak District National Park, Derbyshire, UK, October.

Matthew Maran / The fruiting body of a fungus (Cortinarious) growing at the base of a tree. West coast of Vancouver Island, Canada, September.

Matthew Maran / The fruiting body of a fungus (Cortinarious). West coast of Vancouver Island, Canada, September.

Robert Thompson / Fungus (Cortinarius crocollitus) Annagarriff Wood NNR, County Armagh, Northern Ireland, UK, September

Robert Thompson / Fungus (Cortinarius hemitichus) amongst woodland leaf litter, Northern Ireland, UK

Robert Thompson / Fungus (Cortinarius purpurascens) in various stages of growth, Tollymore Forest, County Down, Northern Ireland, UK, October

Robert Thompson / Fungus {Cortinarius crocolitus} growing under Birch, Annagarriff Wood NNR, Co. Armagh, Northern Ireland

Silvia Reiche / Scaly Rustgill (Gymnopilus sapineus) mushrooms, Hoenderloo, Netherlands

Albert Aanensen / Purple fungus {Thamterogaster porphyreum} New Zealand

George McCarthy / Red dappled cortinarius fungus {Cortinarius bolaris} amongst leaf litter, UK

Thomas Marent / Violet Pouch (Thaxterogaster porphyreum) mushroom, Mount Aspiring National Park, New Zealand

George McCarthy / Fungus {Cortinarius torvus} England, UK

George McCarthy / Fungus {Cortinarius amoenolens} England, UK

George McCarthy / Fungus {Cortinarius trivialis} Hampshire, UK

George McCarthy / Toadstool {Cortinarius pseudosalor} Sussex, UK

George McCarthy / Toadstool {Cortinarius auroturbinatus} England, UK

George McCarthy / Fruity cortinarius fungus {Cortinarius amoenolens} UK

George McCarthy / Fungus {Cortinarius sanguineus} Hampshire, UK

George McCarthy / Poison pie toadstools,grassland (Hebeloma crustiliniforme) England UK