Wild Wonders of Europe / Benvie / Common rockrose (Helianthemum nummularium / chamaecistus) in flower, Fliess, Naturpark Kaunergrat, Tirol, Austria, July 2008

Linda Pitkin / Common rock-rose (Helianthemum nummularium) Surrey, England, July.

Steve Nicholls / Common rockrose (Helianthemum nummularia) growing at Bishop Middleham quarry, Durham, England, UK, June.

Philippe Clement / Common rock-rose (Helianthemum nummularium subsp. nummularium) white form in flower, native to most of Europe. May

Mike Read / Common rockrose (Helianthemum nummularium) in alpine meadow, Plateau de Buerre Vercors Regional Natural Park, Vercors, France, June 2016

Mike Read / Common rockrose (Helianthemum nummularium) clump growing amongst limestone rocks near la Chapelle Vercors Regional Natural Park, Vercors, France, June 2016.

Nick Upton / Common rock-roses (Helianthemum nummularium) flowering in a chalk grassland hillside meadow, Wiltshire, UK, July.

Adrian Davies / Common Rock Rose (Helianthemum nummularium) in flower on rocks, Picos de Europa, Spain

Adrian Davies / Common Rock Rose (Helianthemum nummularium) in flower on rocks, Picos de Europa, Spain

Paul Harcourt Davies / Common rockrose (Helianthemum nummularium) in flower, Monte Spinale, alpine zone, Madonna di Campiglio, Brenta Dolomites, Italy, July

Paul Hobson / Common rockrose (Helianthemum nummularium) in flower, Chee Dale, Derbyshire UK June

Paul Hobson / Common rockrose (Helianthemum nummularium) in flower, Chee Dale, Derbyshire UK June

Paul Hobson / Common rockrose (Helianthemum nummularium) in flower, Chee Dale, Derbyshire UK June

Alex Hyde / Common Rock Rose (Helianthemum nummularium)growing on steep slope amongst limestone outcrop. Lathkill Dale NNR, Peak District National Park, UK. June.

Alex Hyde / Common Rock Rose {Helianthemum nummularium} growing on steep slope amongst limestone outcrop. Lathkill Dale National Nature Reserve, Peak District National Park, UK. June.

Alex Hyde / Common Rock Rose (Helianthemum nummularium) growing on steep slope amongst limestone outcrop. Lathkill Dale National Nature Reserve, Peak District National Park, UK. June.

Philippe Clement / Common rockrose (Helianthemum nummularium) in flower, Ardennes, Belgium, July

David Woodfall / Common Rockrose (Helianthemum nummularium ) growing in limestone grassland, Mumbles Head Nature reserve, near Swansea, Wales, UK, June

Alex Hyde / Common Rockrose (Helianthemum nummularium) flowering from outcrop of carboniferous limestone. Lathkill Dale National Nature Reserve, Peak District National Park, UK, June.

MYN / Marko Masterl / Common rockrose (Helianthemum nummularium) in flower, Slovenia, Europe, June. meetyourneighbours.net project

Paul Harcourt Davies / Common Rockrose (Helianthemum nummularium) flowering in the foreground of a display of alpine flowers on Mt Terminillo, Apennine mountains, Italy, Europe.

Philippe Clement / Common rock rose {Helianthemum nummularium} Belgium