Alex Hyde / Fragrant Orchid (Gymnadenia conopsea) and Yellow Rattle (Rhinanthus sp.) flowering in ancient alpine hay meadow. Nordtirol, Austrian Alps. June.

Nick Upton / Traditional organic hay meadow with a profusion of wild flowers and grasses including Pyramid orchid (Anacamptis pyramidalis) Common spotted orchid (Dactylorhiza fuchsii, Rough hawkbit (Leontodon hisp...

Wild Wonders of Europe / Giesbers / Eurepean yellow rattle (Rhinanthus alectorolophus) flowering in alpine meadow, Liechtenstein, June 2009

Wild Wonders of Europe / Giesbers / European yellow rattle (Rhinanthus alectorolophus) flowering in alpine meadow, Liechtenstein, June 2009

Rolf Nussbaumer / Greater yellow rattle flower {Rhinanthus alectorolophus} Switzerland.

Nick Garbutt / Alpine Wildflower meadow, a diversity of species including Meadow clary (Salvia pratensis), Sainfoin (Onobrychis sp) and Rattle (Rhinanthus sp). North Tyrol, Austria. June.

Ross Hoddinott / Green-veined white butterfly (Pieris napi) resting on yellow rattle (Rhinanthus minor) flower, Volehouse Moor Nature Reserve, Devon, England, UK. July.

Mike Read / Wildflowers growing in puszta grassland with Yellow rattle (Rhinanthus minor) near Tiszaalpar, Kiskunsag National Park, Hungary, June 2017

Mike Read / Wildflowers growing in puszta grassland with Yellow rattle (Rhinanthus minor) near Tiszaalpar, Kiskunsag National Park, Hungary, June 2017

Rod Williams / Yellow rattle flowers (Rhinanthus minor) and Wild Marjoram (Origanum vulgare) Hutchinson's Bank, New Addington, London, England, UK. August.

Stephen Dalton / Brimstone butterfly (Gonepteryx rhamni) on Yellow rattle flower (Rhinanthus minor) Somerset, England, UK, May.

Stephen Dalton / Yellow rattle in flower (Rhinanthus minor) Sussex, England, UK, July.