Robert Thompson / Dog vomit slime mold (Fuligo septica) and slug on moss. Annagarriff Wood National Nature Reserve, Peatlands Park, County Armagh, Northern Ireland. August.

Adrian Davies / Dog vomit slime mould (Fuligo septica). Sussex, England, UK. October.

Adrian Davies / Wolf's milk slime mould (Lycogala terrestre). Sussex, England, UK. November.

Will Watson / Wolf's Milk, Plasmodial slime mould, (Lycogala terrestre), orange phase, on dead ash, Ancient Semi-natural Woodland, Herefordshire Plateau, England.

Will Watson / Wolf's Milk, Plasmodial slime mould, (Lycogala terrestre), brown phase and orange phase, on dead ash, Ancient Semi-natural Woodland, Herefordshire Plateau, England.

Will Watson / Wolf's Milk, Plasmodial slime mould, (Lycogala terrestre), brown phase, on dead ash, Ancient Semi-natural Woodland, Herefordshire Plateau, England.

Brian Bevan / Madagascan orange ringed millipede (Aphistogoniulus sp) moving through leaf mould , UK. Captive, native to Madagascar.

Robert Thompson / Slime mould (Fuligo septica) Annagarrif Wood NNR, Peatlands, County Armagh, Northern Ireland, September.

Robert Thompson / Red raspberry slime (Tubifera ferruginosa) Tollymore Forest Park, Newcastle, County Down, Northern Ireland, October.

Alex Hyde / Close up of decaying leaf from rainforest floor, showing lichens and moulds. Danum Valley, Sabah, Borneo.

Alex Hyde / Photographer heating silica gel over camp fire in rainforest to restore its desiccating properties. The high humidity of the rainforest can fog camera lenses and lead to mould growth, so silica gel is...

Nick Upton / Wolf's milk slime balls (Lycogale terrestre), the spore forming reproductive phase of this slime mould, on the surface of a mossy log in woodland, GWT Lower Woods reserve, Gloucestershire, UK, October...