Adrian Davies / Lesser pond sedge (Carex acutiformis) releasing pollen.

Adrian Davies / Pendulous sedge (Carex pendula) dispersing pollen. April.

David Woodfall / Whooper Swan (Cygnus cygnus) in mist, feeding amongst Bog cotton (Eriophorum angustifolium) and Ragged Robin (Lychnis flos-cuculi) in machair, North Uist, outer Hebrides, Scotland July.

Guy Edwardes / Pendulous Sedge (Carex pendula), Dorset, England, UK, April.

Mike Read / Pendulous sedge (Carex pendula). Blashford Lakes Nature Reserve, England, UK. May.

Will Watson / Dingy skippers (Erynnis tages), mating on Glaucous sedge (Carex flacca) Knightwick, Worcestershire, England, UK, May.

Stephen Dalton / Pendulous sedge (Carex pendula) invasive species, Sussex, England, UK, May 2016.

Steve Downer / Pendulous sedge (Carex pendula) with Mayflies (Ephemeroptera) in the background, Moseley Bog, Birmingham, England, UK, June.

Gary K. Smith / Tussock sedge (Carex paniculata) growing in wet fenland habitat, Norfolk, UK

MYN / Dirk Funhoff / Wood sedge (Carex sylvatica), Büchelberg, Pfalz, Germany. May. Meetyourneighbours.net project

Ingo Arndt / Sedge warbler (Acrocephalus schoenobaenus) singing in reedbed at sunset, Lake Neusiedl, Austria , April.

Jean E. Roche / Sedge (Carex pendula) flower heads, Bord de Charente, France, June.