Bruno D'Amicis / Fungus, probably Russula sp, emerging from leaf litter in old-growth Beech (Fagus sylvatica) forest. Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESCO Worl...

Robert Thompson / Russula ochroleuca (Russula ochroleuca) Tollymore Forest Park, Newcastle, County Down, Northern Ireland, October.

Cyril Ruoso / Charcoal burner fungus (Russula cyanoxantha), Alberes Mountains, Pyrenees, France, September.

MYN / Marc Pihet / Russula fungus (Russula sp.), Maine-et-Loire, France, October, meetyourneighbours.net project

Matthew Maran / Common yellow russula (Russula ochroleuca) Hampstead Heath, London, England, UK. October.

Colin Varndell / Sickener toadstools (Russula emetica) and Scots pine cones (Pinus sylvestris) New Forest, Hampshire, UK September.

MYN / Paul van Hoof / Greater white-toothed shrew (Crocidura russula) The Netherlands, October, Meetyourneighbours.net project

MYN / Paul van Hoof / Greater white-toothed shrew (Crocidura russula) The Netherlands, October. Meetyourneighbours.net project

Adrian Davies / Powdery piggyback toadstool (Asterophora lycoperdoides) parasitising a rotting Russula fungi, Surrey, England, UK, September.

Adrian Davies / Powdery piggyback toadstool (Asterophora lycoperdoides) parasitising a rotting Russula fungi, Surrey, England, UK, September.

Doug Wechsler / Banana Slug (Ariolimax columbianus) eating Russula mushroom, Anacortes, Skagit County, Washington, USA, September.

Thomas Marent / Red-veined Darter (Sympetrum fonscolombii) dragonfly female, Switzerland

Thomas Marent / Gilded Brittlegill (Russula aurea) mushroom, Switzerland

Juan Manuel Borrero / Illustration of Greater White-toothed Shrew (Crocidura russula). Pencil and watercolor painting.

David Woodfall / Botanist using eye piece to identify Black Stem Rust, a fungus species which threatens future of world wheat crops. Radnorshire, Wales, UK, June.

Philippe Clement / The sickener (Russula emetica) amongst autumn leaves in beech forest, Belgium, October

Philippe Clement / The sickener (Russula emetica) in broad-leaved forest in autumn, Belgium, October

Philippe Clement / Common yellow russula (Russula ochroleuca) and Amethyst deceiver fungus (Laccaria amethystea) growing amongst moss on forest floor in autumn, Belgium, October

Daniel Heuclin / Scientist feeding a recently captured Greater white toothed shrew (Crocidura russula) Aude, France

Daniel Heuclin / Greater white toothed shrews (Crocidura russula) following each other in line, France

Robert Thompson / The Sickener toadstool (Russula emetica) Tollymore Forest, County Down, Northern Ireland, UK, October

Konstantin Mikhailov / Colourful Russula toadstool growing amongst Mountain bearberry {Arctostaphylos / Arctous alpinus}, lichen and moss, near the White Sea, Karelia, N Russia September 2007

Philippe Clement / Russula (Russula turci) toadstool amongst moss, Belgium

Philippe Clement / Geranium brittlegill fungus (Russula fellea) among fallen beech leaves in autumn, Belgium

Juan Carlos Munoz / Russula fungus {Russula sp} growing in taiga woodland in autumn, Laponia / Lappland , Finland

George McCarthy / Bare toothed Russula fungus {Russula vesca} amongst moss, UK

George McCarthy / Blackish purple Russula fungus {Russula vesca} UK

George McCarthy / Fetid Russula fungus {Russula foetens} UK

George McCarthy / Common yellow russula fungus {Russula ochroleuca} UK

George McCarthy / Russula fungi {Russula erythropoda} New Forest, Hampshire, UK

George McCarthy / Russula fungus {Russula queletii} amongst autumn leaves, UK

Niall Benvie / Spore print from a {Russula sp} fungus, Scotland, UK

Niall Benvie / Fungi in woodland {Russula sp.} Inverness-shire, Scotland

Duncan Mcewan / The Sickener (Russula emetica) Scotland

Duncan Mcewan / Parasitic fungus {Asterophora parasitica} growing on decomposing cap of {Russula sp} toadstool, Scotland

Philippe Clement / Black slug {Arion ater} eating Russula toadstool, Belgium

Philippe Clement / Ochre brittlegill / Yellow russula {Russula ochroleuca} in beech forest, Belgium

Philippe Clement / Ochre brittlegill / Yellow russula {Russula ochroleuca} in beech forest, Belgium

Philippe Clement / Crab brittlegill fungus {Russula xerampelina} Belgium

Philippe Clement / Russula luteotacta toadstool in Beech leaf litter, Belgium

Philippe Clement / Russula turci toadstool in leaf litter, conifer cones and needles, Belgium

Philippe Clement / Beechwood sickener toadstool {Russula mairei} among beech leaves Belgium

George McCarthy / Beechwood sickener {Russula mairei} Sussex, UK

George McCarthy / Charcoal burner fungus {Russula cyanoxantha} Surrey, UK

Agustin Esmoris / Emesis (Emesis russula) butterfly, Argentina

Robert Thompson / Red russula toadstools (Russula nobillus) on woodland floor amongst leaf litter, Portglenone Forest, County Antrim, Northern Ireland, UK, October

Jose Luis GOMEZ de FRANCISCO / Greater white toothed shrew {Crocidura russula} feeding on earthworm, Spain, Captive

Joel Sartore / Photo Ark / Greater white-toothed shrew (Crocidura russula russula) portrait, Biodiversity Hall of Natural History and Science Museum Porto. Captive.

Robert Thompson / Winter russula (Russula cremoricolor) mushroom, growing on forest floor, Ards Forest Park, County Donegal, Republic of Ireland. September.

Robert Thompson / Ochre Brittlegill toadstool (Russula ochroleuca) growing in damp lichen, Peatlands Park, County Armagh, Northern Ireland. September.

Paul Harcourt Davies / Gilded brittlegill (Russula aurea), edible and mild-tasting, Umbria, Italy. October.

Yves Lanceau / Fungus (Russula sp) showing spore dispersal pattern over 18 hours on black card

Daniel Heuclin / Greater white-toothed shrew (Crocidura russula) eating a grasshopper, captive.

Daniel Heuclin / Greater white-toothed shrew (Crocidura russula) eating a grasshopper, captive.

Daniel Heuclin / Greater white-toothed shrew (Crocidura russula) eating a grasshopper, captive.

Daniel Heuclin / Greater white-toothed shrew (Crocidura russula) eating a grasshopper, captive.

Daniel Heuclin / Greater white-toothed shrew (Crocidura russula), captive.

Daniel Heuclin / Greater white-toothed shrew (Crocidura russula), captive.

Robert Thompson / Common yellow russula (Russula ochroleuca) Peatlands Park, County Armagh, Northern Ireland. December.

Robert Thompson / Blackish-purple russula ( Russula atropurpurea) Peatlands Park and Annagariff Wood, County Armagh, Northern Ireland.

Guy Edwardes / The sickener (Russula emetica), New Forest, Hampshire, England, UK. October.

Guy Edwardes / The sickener fungus (Russula emetica). New Forest National Park, England, UK. October.

Linda Pitkin / Yellow swamp russula (Russula claroflava), Henley Park Range, Ash Ranges, Surrey, England, August.