Philippe Clement / Artist's bracket fungus (Ganoderma applanatum / Ganoderma lipsiense) on tree trunk, Belgium, October

Adrian Davies / Yellow flat-footed fly (Agathomyia wankowiczii) galls on Artists fungus (Ganoderma applanatum), Surrey, UK. December.

Doug Wechsler / Five Vinegar flies (Mycodrosophila) and a Forest midge (Cecidomyiidae) resting on underside of Artist conk fungus (Ganoderma applanatum), Crossways Preserve, Pennsylvania, USA. July.

Will Watson / Fungal gall on the Artist's fungus (Ganoderma applanatum), Herefordshire, England, UK. February.

Will Watson / Fungal gall on Artist's fungus (Ganoderma applanatum) caused by Yellow flat-footed fly (Agathomyia wankowiczii), Herefordshire, England, January

Will Watson / Fungal gall on the Artist's fungus (Ganoderma applanatum) caused by Yellow flat-footed fly (Agathomyia wankowiczii), Herefordshire, England, January, focus stacked.

Nick Upton / Young Artist's bracket / conk (Ganoderma applanatum) developing on a rotting deciduous log, GWT Lower Woods reserve, Gloucestershire, UK, October.