Colin Varndell / Birdsnest orchid (Neottia nidus-avis) in flower, Dorset, UK May.

Kim Taylor / Bird's nest orchid (Neottia nidus-avis) in bud, Appenines, Italy, May.

MYN / Dirk Funhoff / Birds nest orchid (Neottia nidus-avis), Wörth am Rhein, Pfalz, Germany. June. Meetyourneighbours.net project

MYN / Dirk Funhoff / Bird's nest orchid (Neottia nidus-avis), Wörth am Rhein, Pfalz, Germany. June. Meetyourneighbours.net project

Andy Sands / Birds nest orchid (Neottia nidus-avis) flower growing in deep shade under Beech trees, Bedfordshire, England, UK, June

Andy Sands / Birds nest orchid (Neottia nidus-avis) Close up of individual flower, Bedfordshire, Englkand, UK, June, Focus Stacked Image

Mike Read / Bird's nest orchid (Neottia nidus-avis) near the Col du Rousset, Vercors Regional Natural Park, Vercors, France, June.

Peter Lewis / Birdsnest Orchid (Neottia nidus-avis) West Meon, Hampshire, England

Peter Lewis / Birdsnest Orchid (Neottia nidus-avis) West Meon, Hampshire, England

Peter Lewis / Birdsnest Orchid (Neottia nidus-avis) Hampshire, England

Guy Edwardes / Birds nest orchid (Neottia nidus-avis) in flower in beech forest, near Bratsigovo, Bulgaria. May.

Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprophytic orchid containing little or no chlorophyll, growing in woodland, Sibillini, Umbria, Italy. May.