Adrian Davies / Butter cap mushroom (Collybia / Rhodocollybia butyracea) UK, November

Adrian Davies / Butter cap mushroom (Collybia / Rhodocollybia butyracea) UK, November

Adrian Davies / Butter cap mushrooms (Collybia / Rhodocollybia butyracea) UK, November

Yves Lanceau / Fungi (Baeospora / Collybia myosura) growing on a fircone, showing spore dispersal pattern over 24 hours on black card

Philippe Clement / Spotted toughshank fungus (Collybia / Rhodocollybia maculata) in coniferous forest, Belgium

Philippe Clement / Spotted toughshank fungus (Collybia / Rhodocollybia maculata) Belgium

George McCarthy / Spotted tough-shark fungus {captiveollybia maculata} UK

George McCarthy / Spindle shank fungus {captiveollybia fusipes} UK

George McCarthy / Spotted tough-shark fungus {Collybia maculata} UK

George McCarthy / Butter cap fungus {Collybia butyracea} UK

George McCarthy / Butter cap fungus {Collybia butyracea} UK

Philippe Clement / Spotted tough-shank (Collybia maculata) in pine forest, Belgium