Laurie Campbell / Winter aconite (Eranthis hyemalis) flowers emerging through snow, Roxburghshire, Scotland, February

Orsolya Haarberg / Winter aconite (Eranthis hyemalis) flowers, Szatmar-Bereg, Hungary.

Paul Hobson / Winter aconite (Eranthis hyemalis) bud closed, Peak District NP, UK

Chris Mattison / Winter aconite (Eranthis hyemalis) Naturalised in the UK. Monmouthshire, February. Focus stacked image.

Linda Pitkin / Winter aconite (Eranthis hyemalis), naturalised under trees in a park. Haling Grove, Surrey, England, January.

Linda Pitkin / Winter aconite (Eranthis hyemalis), naturalised under trees in a park. Haling Grove, Surrey, England, January.

Steve Nicholls / Winter aconite (Eranthis hyemalis) close up with white background.

Andy Sands / Winter aconite (Eranthis hyemalis) flowering in snow, Buckinghamshire, England, UK, February

Andy Sands / Snowdrops (Galanthus Sp) and Winter aconite (Eranthis hyemalis) flowering en masse in parkland, Wiltshire, England, UK, February

Will Watson / Winter Aconite (Eranthis hyemalis), deciduous woodland, Cotswolds, Goucestershire, England, January.

Heather Angel / Common drone fly (Eristalis tenax) nectaring on Winter aconite (Eranthis hyemalis). Surrey, England, UK.. February.

Heather Angel / Winter aconite (Eranthis hyemalis) flower and bud. Ring of nectaries formed from petals. In garden, Surrey, England, UK. February.

Heather Angel / Winter aconite (Eranthis hyemalis) with ring of nectaries below stamens. Focus stacked.

Robin Chittenden / Snowdrops (Galanthus nivalis) and Winter Aconite (Eranthis hyemalis) Norfolk UK February

Ernie Janes / Winter aconites (Eranthis hyemalis) flowers grown commercially, Norfolk, England, UK, February 2015.

Adrian Davies / Winter aconite (Eranthis hyemalis) flower, Surrey, England, March.

Ernie Janes / Winter aconite (Eranthis hyemalis) flower buds in snow, UK, February.

Ernie Janes / Winter aconites (Eranthis hyemalis) in snow, UK February

Gary K. Smith / Winter aconite (Eranthis hyemalis) growing through snow covered ground, England, UK, February.

Ernie Janes / Snowdrops (Galanthus nivalis) and Winter aconites (Eranthis hyemalis) UK. March

Simon Colmer / Winter Aconite (Eranthis hyemalis) flowering, Brighton, Sussex, UK. February

Adrian Davies / Winter aconite {Eranthis hyemalis} flowers, UK

WILLIAM OSBORN / Winter aconites {Eranthis hyemalis} flowering, Glos, UK

WILLIAM OSBORN / Winter aconites {Eranthis hyemalis} flowering, Glos, UK

Jason Smalley / Winter aconite {Eranthis hyemalis} Cumbria, UK

Jason Smalley / Winter aconite {Eranthis hyemalis} flowering, Cumbria, UK.

WILLIAM OSBORN / Winter aconite {Eranthis hyemalis} flowering in winter woodland. Gloucestershire, UK.

Mark Yates / Winter aconite (Eranthis hyemalis). England, UK, Europe

David Kjaer / Winter aconite flowering (Eranthis hyemalis) + snowdrops. North Yorkshire, England, UK, Europe

Thomas Marent / Winter Aconite (Eranthis hyemalis) flowers, Switzerland

Thomas Marent / Winter Aconite (Eranthis hyemalis) flowers, Switzerland

Thomas Marent / Winter Aconite (Eranthis hyemalis) flowers, Switzerland

Thomas Marent / Winter Aconite (Eranthis hyemalis) flowers, Switzerland