Richard Steel / 2020VISION / Female whinchat (Saxicola rubetra) perched on bracken frond, Denbighshire, Wales, UK, June.

Floris van Breugel / Hoar frost coats the edges of ferns in a clearing in Washington's Olympic National Park, USA. December.

Alex Hyde / Brittle Bladder / Common Fragile Fern (Cystopteris fragilis) growing in protective gryke in limestone pavement, Yorkshire Dales, UK. April.

Paul Harris / 2020VISION / Recently burnt heathland, showing new Bracken growth (Pteridium aquilinum), Caesar's Camp, Fleet, Hampshire, England, UK, May.

Mark Hamblin / 2020VISION / Scots pine forest extending up to natural tree line, with bracken (Pteridium aquilinum) in foreground, Rothiemurchus, Cairngorms NP, Scotland, UK, September 2011

Nick Garbutt / Unravelling Fern fronds (Unknown species). Near Nepenthes Field Camp, mid-altitude montane forest. Centre of Maliau Basin, Sabah's 'Lost World', Borneo.

Guy Edwardes / 2020VISION / Giant horsetail (Equisetum telmateia), Catcott Lows SWT reserve, Somerset Levels, England, UK, April. 2020VISION Book Plate. Did you know? Horsetails can grow to over two metres tall.

Steve Nicholls / Lava field with growth of Dotted polypody fern (Polypodium pellucidum), Kilauea, Hawaii, USA, August 2008

Stephen Dalton / Common horsetail (Equisetum arvense) shedding spores, UK

Niall Benvie / MYN / Unfurling single frond of Bracken (Pteridium aquilinum) Scotland, UK

Alan Watson / Frond pattern of tree ferns (Cyathea arborea) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / Frond pattern of tree ferns (Cyathea arborea) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.