Bernard Castelein / Raft spider (Dolomedes fimbriatus) on Tansy (Tanacetum vulgare), Klein Schietveld, Brasschaat, Belgium August

Ann & Steve Toon / Cornfield annual summer wildflowers growing on one of the plant charity Landlife's National Wildflower Farms, St Helens, Merseyside, UK, June.

Paul Harcourt Davies / Cornflowers (Centaurea cyanus) and poppies (Papaver rhoeas) growing on fallow fields near Orvieto, Umbria, Italy. June 2010

Paul Harcourt Davies,Paul Harcourt Davies / Cornflowers (Centaurea cyanus) growing on fallow fields near Orvieto, Umbria, Italy, June. Taken with fisheye lens

Diane McAllister / Cosmos (Cosmos bipinnatus), Bachelor buttons / Cornflowers (Centaurea cyanus), and Common poppies (Papaver rhoeas) in a small meadow. Nevada, USA, July

Bernard Castelein / Tansy (Tanacetum vulgare) flowering in grassland on misty morning, sun visible through trees. Peerdsbos, Brasschaat, Belgium. July 2018.

Bernard Castelein / Tansy (Tanacetum vulgare) flowering in grassland on misty morning, sun shining through trees. Peerdsbos, Brasschaat, Belgium. July 2018.

Nick Upton / Thongweed (Himanthalia elongata), young buttons in a rockpool. Near Falmouth, Cornwall, England, UK. September.

Robert Thompson / Black bulgar fungus (Bulgaria inquinans) growing amongst mosses, Tollymore Forest, County Down, Northern Ireland, UK. September.

Nick Upton / Black bulgar fungus (Bulgaria inquinans) growing from a rotting log in woodland, Gloucestershire, UK, October.

Nick Upton / Black bulgar fungus (Bulgaria inquinans) growing from a rotting log in woodland, Gloucestershire, UK, October.

Andy Sands / Black bulgar or Bachelor's Buttons (Bulgaria inquinans) a jelly fungus that grows on fallen Oak, Ash and other hardwood trees, Hertfordshire, Englkand, UK, September. Focus Stacked