Alex Hyde / Orange tip butterfly egg (Anthocharis cardamines) on Cuckoo flower / Lady's smock (Cardamine pratensis). Peak DIstrict National Park, Derbyshire, UK. May.
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Nigel Cattlin / Hairy bittercress (Cardamine hirsuta) leaf rosette with pinnate leaves, growing as garden weed. Berkshire, England, UK. May.
Bruno D'Amicis / Kitaibel's bittercress (Cardamine kitaibeli) leaves in old-growth Beech (Fagus sylvatica) forest. Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESCO Wor...
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Robert Thompson / Orange-tip butterfly (Anthocharis cardamines), male on Cuckooflower (Cardamine pratensis). Brackagh Moss National Nature Reserve, Portadown, County Armagh, Northern Ireland, UK. May.
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Robert Thompson / Orange-tip butterfly (Anthocharis cardamines), male on Cuckooflower (Cardamine pratensis). Brackagh Moss National Nature Reserve, Portadown, County Armagh, Northern Ireland, UK. May.
Dong Lei / Wild flowers (Cardamine tangutorum) Balang Mountain, Wolong National Nature Reserve, Sichuan Giant Panda Sanctuaries - Wolong, Mt Siguniang and Jiajin Mountains UNESCO World Heritage Site, Sichuan Pr...
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Lorraine Bennery / Orange tip butterfly (Anthocharis cardamines) female resting on Cuckooflower (Cardamine pratensis), Essonne, France, May.
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Sue Daly / Lady's smock (Cardamine pratensis), Sark, British Channel Islands, April.
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Paul Harcourt Davies / Kitaibel's bittercress (Cardamine kitaibelii) flower, Il Sasseto, Torre Alfina, Lazio, Italy. April.
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Paul Harcourt Davies / Coralroot (Cardamine bulbosa) Il Sasseto, Torrealfina, Lazio, Italy April.