Nick Garbutt / Broad-leaf marsh orchid (Dactylorhiza majalis) amongst Bird's-foot trefoil (Lotus sp). North Tyrol, Austria, June.

Mike Read / Broad-leaved marsh orchid (Dactylorhiza majalis) in grassland near the Col du Prayer Vercors Regional Natural Park Vercors France June 2016

Mike Read / Broad-leaved marsh orchid (Dactylorhiza majalis) in grassland near the Col du Prayer Vercors Regional Natural Park Vercors France June 2016

MYN / Dirk Funhoff / Broad-leaved / Irish marsh orchid (Dactylorhiza majalis), Büchelberg, Pfalz, Germany. Meetyourneighbours.net project

Nick Garbutt / Broad-leaf marsh ochid (Dactylorhiza majalis) growing in Alpine meadow. Nordtirol, Tirol, Austrian Alps, Austria, July.

Nick Garbutt / Broad-leaf marsh orchid (Dactylorhiza majalis) growing along Alpine meadow stream. Nordtirol, Tirol, Austrian Alps, Austria.

Nick Garbutt / Broad-leaf marsh orchid (Dactylorhiza majalis) growing along Alpine meadow stream. Nordtirol, Tirol, Austrian Alps, Austria, July.

Michel Poinsignon / Irish march orchid (Dactylorhiza majalis) in flower, Sainte Marguerite, France, May.

Zoltan Nagy / Western marsh orchid (Dactylorhiza majalis) Gurghiu Mountains, Romania. May

Paul Harcourt Davies / Orchids in flower including (at the front) four Man orchids (Orchis / Aceras anthropophorum) (to the far right) a Green-winged orchis (Anacamptis / Orchis morio) with adjacent to it (on its left) Fan-...

Paul Harcourt Davies / Fan-lipped orchid (Anacamptis collina) near Vieste, Gargano, Puglia, Italy, March.

Michel Poinsignon / Irish marsh orchid (Dactylorhiza majalis) in flower, Lorraine, France. May.