MYN / Marc Pihet / Greater butterfly orchid (Platanthera chlorantha) in flower, close-up, Maine-et-Loire, France, May, meetyourneighbours.net project

Will Watson / Greater butterfly orchid (Platanthera chlorantha), Worcestershire, England, UK, June.

Adrian Davies / Greater butterfly orchid (Platanthera chlorantha) Kent, England, UK, June.

Paul Hobson / Greater butterfly orchids (Platanthera chlorantha) flower in meadow, wide angle view of habitat, Derbyshire, England, UK. July.

MYN / Eduardo Blanco / Greater butterfly orchid (Platanthera chlorantha), Villarroya forest, La Rioja, Spain, June. meetyourneighbours.net project

Kim Taylor / Greater butterfly orchid (Platanthera chlorantha) in flower, France, July.

Colin Varndell / Close up of greater butterfly orchid (Platanthera chlorantha) flowers. Dorset, UK, May.

Paul Harcourt Davies / Greater Butterfly Orchid (Platanthera chlorantha) Sibillini near Spoleto, Umbria. Italy, June.

Paul Harcourt Davies / Greater butterfly orchid (Platanthera chlorantha) growing on Mount Moricone near Norcia, Umbria, Italy, June.

Paul Harcourt Davies / Greater butterfly orchid (Platanthera chlorantha) growing on Mount Moricone near Norcia, Umbria, Italy, June.

Robert Thompson / Greater butterfly orchid (Platanthera chlorantha) in flower, Oulettes d' Ossoue, Pyrenees National Park, France, June

Philippe Clement / Greater butterfly orchid (Platanthera chlorantha) in flower, La Brenne, France, May