Konrad Wothe / Slow motion clip of a male Brimstone (Gonepteryx rhamni) nectaring on Purple betony (Betonica officinalis), before taking off, Bavaria, Germany, July.

Robin Chittenden / Eurasian Siskin (Carduelis spinus) perched on Stinging nettle (Urtica dioica), Ceredigion, Wales, UK. August.

Edwin Giesbers / Barn swallow (Hirundo rustica) perched on nettle, The Netherlands

Will Watson / Nettle clustercup rust fungus (Puccinia urticata) induced gall on Common nettle (Urtica dioica), Westhope Common, Herefordshire, England, UK, May.

Kim Taylor / Stinging hairs on a Nettle (Urtica dioica) stem. Surrey, England. Digital composite.

MYN / Dirk Funhoff / Red admiral (Vanessa atalanta) pupa attached to a Stinging nettle (Urtica dioica) leaf, Lorsch, Hessen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Common nettle (Urtica dioica), Lorsch, Hessen, Germany. June. Meetyourneighbours.net project

MYN / Dirk Funhoff / Red admiral butterfly (Vanessa atalanta) pupa on stinging nettle (Urtica dioica), Lorsch, Hessen, Germany. August. Meetyourneighbours.net project

Jussi Murtosaari / Eurasian Blue Tit (Parus caeruleus) perched on dead Nettle stem in autumn, Finland. October.

Pal Hermansen / Old cars surrounded by Nettles (Urtica dioica) in car graveyard, Bastnas car graveyard, Sweden, July.

Matthew Maran / Stinging nettle (Urtica dioica) flower, Hampstead Heath, London, England, UK, June.

Colin Varndell / Stinging nettle (Urtica dioica) in flower. Dorset, England, UK June.