Jussi Murtosaari / Geranium Argus butterfly (Plebejus eumedon) feeding on Wood Cranesbill (Geranium sylvaticum) northern Finland, June.

Ernie Janes / Wood crane's-bill (Geranium sylvaticum) 'Cyrils Fancy' in flower. England, UK, May.

Ernie Janes / Wood crane's-bill (Geranium sylvaticum) 'Cyrils Fancy' in flower. England, UK, May.

Laurie Campbell / Wood Cranesbill (Geranium sylvaticum) growing on roadside verge by Grantown-on-Spey, Speyside, Cairngorms National Park, Scotland, June.

Jussi Murtosaari / Orange-tip (Anthocharis cardamines), male feeding from Wood Cranesbill (Geranium sylvaticum), Finland, June.

Alex Hyde / Wood cranesbill (Geranium sylvaticum) Nordtirol, Austrian Alps, July.

Alex Hyde / Wood cranesbill (Geranium sylvaticum) Nordtirol, Austrian Alps, July.

Alex Hyde / Wood cranesbill (Geranium sylvaticum) Nordtirol, Austrian Alps, July.

Terry Whittaker / Arctic fox (Alopex lagopus) cub exploring away from the den amongst Geranium flowers (Geranium sylvaticum). Hornvik, Hornstrandir, Westfjords, Iceland. July

Terry Whittaker / Arctic fox (Alopex lagopus) cub exploring away from the den amongst Geranium flowers (Geranium sylvaticum). Hornvik, Hornstrandir, Westfjords, Iceland. July

Terry Whittaker / Wood cranesbill / Blagresi (Geranium sylvaticum), Hornvik, Hornstrandir, Iceland. July

Terry Whittaker / Wood cranesbill / Blagresi (Geranium sylvaticum), Hornvik, Hornstrandir, Iceland. July

Terry Whittaker / Wood cranesbill / Blagresi (Geranium sylvaticum), Hornvik, Hornstrandir, Iceland. July

Terry Whittaker / Wood cranesbill / Blagresi (Geranium sylvaticum), Hornvik, Hornstrandir, Iceland. July

Alex Hyde / Wood Cranesbill (Geranium sylvaticum) growing in alpine meadow. Nordtirol, Austrian Alps. June.

Nick Upton / Meadow Cranesbill (Geranium pratense) flowering on woodland margin, Wiltshire, UK, July.

Theo Bosboom / Wood cranesbill (Geranium sylvaticum) flower against white background, Asbyrgi, Iceland, June

Theo Bosboom / Wood cranesbill (Geranium sylvaticum) flower against white background, Asbyrgi, Iceland, June

Theo Bosboom / Wood cranesbill (Geranium sylvaticum) and Buttercups (Ranunculus) in flower, Asbyrgi, Iceland, June

Theo Bosboom / Wood cranesbill (Geranium salvaticum) with basalt rocks, Asbyrgi, Iceland, June

Wild Wonders of Europe / Bartocha / Mixture of ground plants including Common wood sorrel (Oxalis acetosella), Herb Robert (Geranium robertianum), Maidenhair spleenwort (Asplenium trichomanes) Sweet woodruff (Galium odoratum) Wild straw...

Sven Zacek / Wood sorrel (Oxalis montana) flowering in woodland, in Spring, Estonia

Ross Hoddinott / Herb robert (Geranium robertianum) flower, Lanhydrock woodland, Cornwall, UK. May

Ross Hoddinott / Herb robert (Geranium robertianum) flower, Lanhydrock woodland, Cornwall, UK. May

Terry Whittaker / Wood cranesbill (Geranium sylvaticum) and Meadow buttercup (Ranunculus acris) in flower on hillside with lake and mountains in background, Hornvík, Hornstrandir, Iceland. July.

Robert Thompson / Herb robert (Geranium robertianum) close up of stamens, Clare Glen woodland, Tandragee, County Armagh, Northern Ireland, UK. May.

Jussi Murtosaari / Male Swallowtail butterfly (Papilio machaon) eating from Wood cranesbill (Geranium sylvaticum), Finland. June.

Jussi Murtosaari / Broad-bordered bee hawk-moth (Hemaris fuciformis) nectaring from Wood cranesbill (Geranium sylvaticum), Finland. June.

Terry Whittaker / Wood cranesbill (Geranium sylvaticum) flowering, Hornstrandir Nature Reserve, Westfjords, Iceland. July.

Terry Whittaker / Wood cranesbill (Geranium sylvaticum) and Meadow buttercup (Ranunculus acris) flowering, Hornstrandir Nature Reserve, Westfjords, Iceland. July.

Jack Dykinga / Wild Geraniums (Geranium maculatum) carpet deciduous forest floor, Lake of the Woods Forest Preserve, Champaign County, Illinois, USA. May

Jack Dykinga / Wild Geraniums (Geranium maculatum) carpet deciduous forest floor, Lake of the Woods Forest Preserve, Champaign County, Illinois, USA.

Will Watson / Herb robert (Geranium robertianum), woodland edge, Herefordshire Plateau, England, May. Focus stacked.

Pal Hermansen / Wood cranesbill (Geranium sylvaticum) spent flowers. Photograph taken with the Kirlian technique, a technique which allows imaging of electrical coronal discharge.

Paul Harcourt Davies / Wood cranesbill (Geranium sylvaticum). Fassa Valley, Trentino, Italy. June.

Linda Pitkin / Shining crane's-bill (Geranium lucidum), at edge of woodland, Surrey, England, UK. April.

Steve Nicholls / Wood cranesbill (Geranium sylvaticum) growing at Muker Meadows in Swaledale, Yorkshire, England, UK, June.

Steve Nicholls / Wood cranesbill (Geranium sylvaticum) growing at Muker Meadows in Swaledale, Yorkshire, England, UK, June.