Paul Hobson / Candle snuff fungus (Xylaria hypoxylon) Yorkshire, UK, October.

Bernard Castelein / Candlesnuff fungus (Xylaria hypoxylon) Peerdsbos, Brasschaat, Belgium, November.

Bernard Castelein / Candlesnuff fungus (Xylaria hypoxylon) Peerdsbos, Brasschaat, Belgium, November.

Bernard Castelein / Candlesnuff fungus (Xylaria hypoxylon) Peerdsbos, Brasschaat, Belgium, October.

Nick Upton / Cramp Balls / King Alfred's Cakes fungus (Daldinia concentrica) growing on a rotten log in woodland, Gloucestershire, UK, October.

Philippe Clement / Slime mold (Dictydiaethalium plumbeum) and Beech woodwart (Hypoxylon fragiforme) growing on a branch, Belgium, October.

Philippe Clement / Slime mold (Dictydiaethalium plumbeum) and Beech woodwart (Hypoxylon fragiforme) growing on a branch, Belgium, October.

Alex Hyde / King Alfred's Cakes Fungus / Cramp Balls Fungus (Daldinia concentrica) Peak District National Park, Derbyshire, UK, May.

Alex Hyde / King Alfred's Cakes Fungus / Cramp Balls Fungus (Daldinia concentrica) Powys, Wales. November.

George McCarthy / {Kretzschmaria / Ustulina deusta} fungus growing on tree trunk, Hampshire, UK

Andy Sands / RF - Bird dropping weevil (Platystomos albinus) resting on Cramp ball fungus (Daldinia concentrica), Buckinghamshire, England, UK. May. Focus stacked. (This image may be licensed either as rights mana...

David Pike / Firerug inkcap (Coprinellus domesticus) and Dead man's fingers (Xylaria polymorpha) close up, Fingle Bridge, Dartmoor, Devon, UK. October. Focus-stacked image.