Edwin Giesbers / Persian cyclamen (Cyclamen persicum) flowers. Cyprus. April.

Nick Upton / Cornish heath (Erica vagans) clump flowering on montane pastureland, above the Lakes of Covadonga, at 1300m, Picos de Europa, Asturias, Spain, August.

Bernard Castelein / Heather (Calluna vulgaris) at dawn, with distant trees, Klein Schietveld, Brasschaat, Belgium

Bernard Castelein / Heather (Calluna vulgaris) at dawn, with distant trees, Klein Schietveld, Brasschaat, Belgium

Bernard Castelein / Waterviolet / featherfoil (Hottonia palustris) at sunset, Groot Schietveld, Wuustwezel, Belgium

Bernard Castelein / Deergrass (Scirpus cespitosus) at dawn among Heather (Calluna vulgaris), Groot Schietveld, Wuustwezel, Belgium

Steve Downer / Timelapse of Primrose (Primula vulgaris) flowers opening, UK. March. Controlled conditions.

Bernard Castelein / Oak (Quercus robur) in Heather (Calluna vulgaris) at sunrise, Klein Schietveld, Brasschaat, Belgium

SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) amongst Bell heather (Erica cinerea) Cairngorms National Park, Highlands, Scotland, August.

Floris van Breugel / Barrel cacti (Ferocactus pilosus) and Ocotillo overlook Palm oasis at sunrise, Anza-Borrego Desert State Park, California, USA March

Floris van Breugel / Ocotillo (Fouquieria splendens) in morning sun, Anza-Borrego State Park, California, USA February

Floris van Breugel / Manzanita (Arctostaphylos glauca) bark detail, San Gabriel Mountains, California, USA February