Nick Upton / Southern bracket fungus (Ganoderma australe) on an English Oak tree trunk (Quercus robur) in woodland, GWT Lower Woods reserve, Gloucestershire, UK, November.

Nick Upton / Southern bracket fungus (Ganoderma australe) on an English Oak tree trunk (Quercus robur) in woodland, GWT Lower Woods reserve, Gloucestershire, UK, November.

Andy Sands / Oak mazegill (Daedalea quercina) bracket fungus with wide gill-like pores, Buckinghamshire, England, UK, November

Andy Sands / Oak mazegill (Daedalea quercina) large group of bracket fungi growing on dead oak tree trunk, Buckinghamshire, England, UK, November

Solvin Zankl / Chicken of the woods fungus (Laetiporus sulphureus) Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany

Alex Hyde / Beefsteak fungus (Fistulina hepatica) bracket fungus growing on English Oak tree (Quercus robur). Derbyshire, UK. September.

Philippe Clement / Tinder fungus / hoof fungus (Fomes fomentarius) growing on English oak (Quercus robur), February.

Philippe Clement / Tinder bracket fungus (Fomes fomentarius) growing on a Pedunculate oak (Quercus robur), Belgium, December.

Philippe Clement / Tinder bracket fungus (Fomes fomentarius) growing on a Pedunculate oak (Quercus robur), Belgium, December.

Philippe Clement / Tinder bracket fungus (Fomes fomentarius) growing on a Pedunculate oak (Quercus robur), Belgium, December.

Will Watson / Underside of Chicken of the Woods (Laetiporus sulphureus) growing dead oak, Herefordshire, England.

Will Watson / Oak Bracket Fungus (Inototus dryadeus) growing on the base of Sessile Oak (Quercus petrea), Ceredigion, Wales, England, UK, August.