Paul Hobson / Shaggy scalycap / pholiota (Pholiota squarrosa) fungus at base of tree. Nottinghamshire, England, UK.

Paul Hobson / Shaggy scalycap / pholiota (Pholiota squarrosa) fungus at base of Beech (Fagus sylvatica) tree. Nottinghamshire, England, UK.

Paul Hobson / Shaggy scalycap / pholiota (Pholiota squarrosa) fungus at base of Beech (Fagus sylvatica) tree. Nottinghamshire, England, UK.

Andy Sands / Shaggy Scalycap (Pholiota squarrosa) Group growing from base of Beech tree, Buckinghamshire, England, UK, October - Focus Stacked

Guy Edwardes / Laughing gym toadstools (Gymnopilus junonius), New Forest National Park, Hampshire, England, UK. September.

Steve Downer / Tracking shot along fungi (Pholiota) growing from a fallen Silver birch tree (Betula pendula), Millison's Wood Solihull, West Midlands, England, UK, October.

Steve Downer / Tracking shot along fungi (Pholiota) growing from a fallen Silver birch tree (Betula pendula), Millison's Wood Solihull, West Midlands, England, UK, October.

David Kjaer / Shaggy scalycap (Pholiota squarrosa) Wiltshire, England, UK, October.

Nick Upton / Spectacular rustgill fungi (Gymnopilus junonius) emerging from a rotting treestump in deciduous woodland, LWT Lower Woods reserve, Gloucestershire, UK, October.

Alex Hyde / Golden scalycap fungus (Pholiota aurivella) growing out of birch tree. Sherwood Forest National Nature Reserve, Nottinghamshire, UK. October.

Pascal Pittorino / Laughing gym mushrooms (Gymnopilus spectabilis) growing on a tree trunk, Sainte Baume, Var, Provence, France, September

Russell Cooper / Sheathed woodtuft (Galerina / Kuehneromyces mutabilis) growing on fallen tree trunk. Banstead Woods SSSI, North Downs, Surrey, UK, October.

Adrian Davies / Sheathed Woodtuft (Kuehneromyces mutabilis) Surrey, England, UK, November.

Adrian Davies / Sheathed Woodtuft fungi (Kuehneromyces mutabilis) Surrey, England, UK, November.

Adrian Davies / Sheathed Woodtuft (Kuehneromyces mutabilis) and Turkeytail (Trametes versicolor) fungi, Surrey, England, UK, November.

Adrian Davies / Sheathed Woodtuft fungi (Kuehneromyces mutabilis) Surrey, England, UK, November.

Adrian Davies / Sheathed Woodtuft (Kuehneromyces mutabilis) and Turkeytail (Trametes versicolor) fungi, Surrey, England, UK, November.

Adrian Davies / Sheathed Woodtuft (Kuehneromyces mutabilis) and Turkeytail (Trametes versicolor) fungi Surrey, England, UK, November.

Adrian Davies / Sheathed Woodtuft (Kuehneromyces mutabilis) and Turkeytail (Trametes versicolor) Surrey, England, UK, November.

Thomas Marent / Flaming Pholiota (Pholiota flammans) mushroom, Black Forest, Germany

Wild Wonders of Europe / Möllers / Fungus (Pholiota aurivellus) growing in a caveat of a trunk of a live Common beech (Fagus sylvatica) tree. Southern Carpathians, Muntii Tarcu, Caras-Severin, Romania, October 2012

Will Watson / Shaggy Pholiota (Pholiota squarrosa) on Ash (Fraxinus excelsior) Herefordshire, UK October

Adrian Davies / Two-toned pholiota (Kuehneromyces mutabilis) mushrooms, Sussex, England, UK, October

Adrian Davies / Golden Scalycap (Pholiota aurivella) Sussex, England, UK, September

Adrian Davies / Golden Scalycap fungi (Pholiota aurivella) on Beech tree, Sussex, England

Adrian Davies / Golden Scalycap fungus (Pholiota aurivella) on Beech tree, Sussex, England

Inaki Relanzon / Pholiota sp fungus, Pyrenees, Catalonia, Spain.

Juan Carlos Munoz / Fungus {Pholiota alnicola} growing in taiga woodland, Laponia / Lappland , Finland

Juan Carlos Munoz / Fungus {Pholiota alnicola} growing in taiga woodland, Laponia / Lappland , Finland

Juan Carlos Munoz / Fungus {Pholiota spumosa} growing in taiga woodland, Laponia / Lappland , Finland

Juan Carlos Munoz / Fungus {Pholiota alnicola} growing in taiga woodland, Laponia / Lappland , Finland

Elio Della Ferrera / Fungus {Pholiota sp} in fir spruce woodlands, Adamello Park, Alps, Italy

Philippe Clement / Golden scalycap (Pholiota aurivella) growing on a tree trunk in a broadleaf forest, Germany

Philippe Clement / Golden scalycap (Pholiota aurivella) growing on a tree trunk in a broadleaf forest, Germany

Philippe Clement / Golden scalycap toadstools (Pholiota aurivella) growing on a tree stump, Belgium

George McCarthy / Pineapple pholiota fungus {Pholiota adiposa} growing on tree bark, Surrey, UK

George McCarthy / Orange pholiota Mushroom tufts {Gymnopilus junonius} Hants, UK

George McCarthy / Charcoal pholiota fungus {Pholiota carbonaria} growing on rotten tree stump, Surrey, UK

George McCarthy / Orange pholiota Mushroom tufts {Gymnopilus junonius} growing in woodland clearing. Hants, UK

George McCarthy / Fungus {Phaliota alnicola} Sussex, UK

George McCarthy / Changing pholiota {Pholiota mutabilis} UK

Duncan Mcewan / Shaggy pholiota toadstools (Pholiota squarrosa) Scotland

Philippe Clement / Golden scalycap {Pholiota aurivella} + Porcelain fungus {Oudemansiella mucida} Belgium

Philippe Clement / Golden scalycap {Pholiota aurivella} + Porcelain fungus {Oudemansiella mucida} Belgium

Philippe Clement / Golden scalycap fungi {Pholiota aurivella} close up Belgium

Philippe Clement / Golden scalycap {Pholiota aurivella} on rotting beech tree trunk, Belgium

Jan Vermeer / Gill Mushroom (Pholiota sp) group growing on tree trunk, Europe

Jan Vermeer / Gill Mushroom (Pholiota sp) group growing among leaf-litter in autumn woods, Europe

Jan Vermeer / Gill Mushroom (Pholiota sp) group growing among moist leaf-litter on ground, Europe

Michael Hutchinson / Shaggy pholiota toadstools {Pholiota squarrosa} Essex, England

Philippe Clement / Golden scalycap toadstools {Pholiota aurivella} Belgium

Philippe Clement / Golden scalycap toadstools {Pholiota aurivella} Belgium

Geoff Simpson / Shaggy pholiota fungus on tree {Pholiota squarrosa} Peak District NP, Derbyshire, UK

Bernard Castelein / Shaggy pholiota {Pholiota Squarossa}, Belgium.

Paul Hobson / Shaggy pholiota fungus {Pholiota squarrosa} Yorkshire, UK

Duncan Mcewan / Shaggy pholiota toadstools (Pholiota squarrosa) growing under birch trees, Scotland

Brian Lightfoot / Pholiota fungus (Pholiota mutabilis) on rotting log. Bristol, England, UK, Europe.

Benjamin Olson / Shaggy Pholiota (Pholiota squarrosa) mushrooms growing from Birch (Betula sp), Anchorage, Alaska

Philippe Clement / Spectacular rustgill mushrooms (Gymnopilus junonius) early growth stage in autumn forest, Flanders, Belgium. October.

Philippe Clement / Spectacular rustgill mushrooms (Gymnopilus junonius) growing on forest floor in autumn, Flanders, Belgium. October.

Philippe Clement / Spectacular rustgill mushrooms (Gymnopilus junonius) growing in forest in autumn, Flanders, Belgium. October.

Nick Upton / Spectacular rustgill (Gymnopilus junonius) mushroom cluster growing in grassy clearing, New Forest National Park, Hampshire, UK, October.

Nick Upton / Spectacular rustgill (Gymnopilus junonius) mushroom cluster growing beneath English oak (Quercus robur) trees, New Forest National Park, Hampshire, UK, October.

Nick Upton / Spectacular rustgill (Gymnopilus junonius) mushroom cluster growing beneath English oak (Quercus robur) trees, New Forest National Park, Hampshire, UK, October.

Nick Upton / Spectacular rustgill (Gymnopilus junonius) mushroom growing beneath English oak (Quercus robur) trees, New Forest National Park, Hampshire, UK, October.

Nick Upton / Alder scalycap (Pholiota alnicola) mushrooms growing from buried stumps in riverside woodland clearing, New Forest National Park, Hampshire, UK, October.

Adrian Davies / Sheathed woodtuft (Kuehneromyces mutabilis) in 'fairy ring' on rotting mossy wood, Surrey, UK, October.

Adrian Davies / Sheathed woodtuft mushrooms (Kuehneromyces mutabilis) growing on mossy tree stump, Surrey, UK. September.

Adrian Davies / Sheathed woodtuft mushrooms (Kuehneromyces mutabilis) growing on mossy tree stump, Surrey, UK. September.

Adrian Davies / Sheathed woodtuft ( Kuehneromyces mutabilis) toadstools growing on Beech log, Surrey, UK. September.

Adrian Davies / Sheathed woodtuft ( Kuehneromyces mutabilis) toadstools growing on Beech log, Surrey, UK. September.

Nick Upton / Sticky scalycap mushrooms (Pholiota gummosa) growing from buried stumps in woodland ride, GWT Lower Woods reserve, Gloucestershire, UK, October.

Nick Upton / Sticky scalycap mushrooms (Pholiota gummosa) growing from buried stumps in woodland ride, GWT Lower Woods reserve, Gloucestershire, UK, October.

Nick Upton / Golden scalycap mushrooms (Pholiota aurivella) growing from felled Common ash (Fraxinus excelsior) tree trunk stacked in woodland ride, GWT Lower Woods reserve, Gloucestershire, UK, October.

Adrian Davies / Spectacular rustgill (Gymnopilus junonius) in leaf litter, Sussex, UK. November.

Adrian Davies / Golden scalycap (Pholiota aurivella) cluster growing on deadwood, Sussex, UK. October.

Robert Thompson / Golden bootlegs (Phaeolepiota aurea) in damp grassland , Peatlands Park and Annagariff Wood, County Armagh, Northern Ireland.

Guy Edwardes / Golden scalycap (Pholiota aurivella) emerging from, Beech . October.

Guy Edwardes / Spectacular rustgill (Gymnopilus junonius), New Forest National Park, Hampshire, England, UK. October.

Guy Edwardes / Shaggy scalycap (Pholiota squarrosa), close-up of caps from above, Glencoe, Scotland, UK. October.

Guy Edwardes / Shaggy scalycap (Pholiota squarrosa) at base of moss-covered tree, Glencoe, Scotland, UK. October.

Guy Edwardes / Shaggy scalycap (Pholiota squarrosa), Glencoe, Scotland, UK. October.

Guy Edwardes / Golden scalycap (Pholiota aurivella), New Forest National Park, Hampshire, England, UK. October.

Guy Edwardes / Spectacular rustgill (Gymnopilus junonius) at night with rain, New Forest National Park, Hampshire, England, UK. October.

Guy Edwardes / Shaggy scalycap fungus (Pholiota squarrosa). New Forest National Park, England, UK. October.

Guy Edwardes / Shaggy scalycap fungus (Pholiota squarrosa). New Forest National Park, England, UK. October.

Guy Edwardes / Shaggy scalycap fungus (Pholiota squarrosa) at night. New Forest National Park, England, UK. October.

Guy Edwardes / Shaggy scalycap fungus (Pholiota squarrosa) at base of tree, in woodland at dusk. New Forest National Park, England, UK. October.

Guy Edwardes / Shaggy scalycap fungus (Pholiota squarrosa) amongst moss. New Forest National Park, England, UK. October.

Guy Edwardes / Shaggy scalycap fungus (Pholiota squarrosa) amongst moss. New Forest National Park, England, UK. October.

Guy Edwardes / Shaggy scalycap fungus (Pholiota squarrosa) on moss covered tree trunk, in broadleaved ancient woodland. New Forest National Park, England, UK. November.

Andy Sands / Golden scalycap fungus (Pholiota aurivella) sprouting from trunk of felled Beech (Fagus sylvatica) tree. Hertfordshire, England, UK. October. Focus stacked image.

Andy Sands / Spectacular rustgill fungus (Gymnopilus junonius). Buckinghamshire, England, UK. October. Focus Stacked.

Nick Upton / Flaming / Yellow scalycap (Pholiota flammans) growing from a rotting log, GWT Lower Woods reserve, Gloucestershire, UK, October.

Nick Upton / Flaming / Yellow scalycap (Pholiota flammans) clump growing from a rotting log, GWT Lower Woods reserve, Gloucestershire, UK, October.

Linda Pitkin / Spectacular rustgill fungus (Gymnopilus junonius), near fallen beech, Abinger Roughs NT, Surrey, England, October.