David Woodfall / Corn marigold (Chrysanthemum segetum) and Common poppy (Papaver rhoeas), in strips of cultivated machair. North Uist, Outer Hebrides, Scotland, UK,

Klein & Hubert / Harvest mouse (Micromys minutus) in wheat field with poppy (Papaver rhoeas) in summer - prehensile tail. France. June.

Jack Dykinga / Backlit silver cholla cactus (Cylindropuntia echinocarpa) surrounded by California poppies (Eschscholzia californica), beneath the eroded boulders that define the park. Joshua Tree National Park, Moja...

Jack Dykinga / Steep valleys in the foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Phacelia (purple) with patches of orange California poppy (Eschscholzia californica). Carrizo Plain, Californi...

Jack Dykinga / Steep valleys in the foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Phacelia (purple) with patches of orange California poppy (Eschscholzia californica). Carrizo Plain, Californi...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica), with a flowering Joshua tree (Yucca brevifolia). Antelope Butte, near the Antelope Valley...

Dave Bevan / Harvest mouse (Micromys minutus) climbing on corn stalks, UK, July. Captive.

Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) landing in a Common poppy (Papaver rhoeas) flower, Germany, June.

Bernard Castelein / Poppy (Papaver rhoeas) De Inslag, Brasschaat, Belgium

Bruno D'Amicis / Common mulleins (Verbascum thapsus), Poppies (Papaver rhoeas), and Daisies flowering in mountain pasture. Gran Sasso National Park, Central Apennines, Abruzzo, Italy, June.

Stephen Dalton / Horse fly (Tabanus sp) male taking off from poppy seed-head (Papaver rhoeas) Sussex, UK

Floris van Breugel / California poppies (Eschscholzia californica) and California goldfields (Lasthenia californica) extend as far as the eye can see, Antelope Valley Poppy Preserve, California, USA

Floris van Breugel / California poppies (Eschscholzia californica) and California goldfields (Lasthenia californica) extend as far as the eye can see, Antelope Valley Poppy Preserve, California, USA

Andres M. Dominguez / Great green bush-cricket (Tettigonia viridissima) and Common poppy (Papaver rhoeas) Sierra de Grazalema Natural Park, southern Spain, April.

Andres M. Dominguez / Dew on spiderweb with Common poppy (Papaver rhoeas) in the background, Sierra de Grazalema Natural Park, El Bosque, southern Spain, April.

Dong Lei / Blue poppy (Meconopsis betonicifolia), Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Tibet, China.

Dong Lei / Poppy (Meconopsis punicea) in habitat, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China. August.

Dong Lei / Poppy (Meconopsis racemosa) flower in habitat. Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China. August.

Dong Lei / Blue poppy (Meconopsis racemosa var. spinulifera) in misty landscape, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China, August 2010.

Ernie Janes / Field poppies (Papaver rhoeas) and Corn Chamomile (Anthemis arvensis) growing in organic Barley (Hordeum vulgare) crop, Norfolk, England, UK. July.

Ann & Steve Toon / Cornfield annual summer wildflowers growing on one of the plant charity Landlife's National Wildflower Farms, St Helens, Merseyside, UK, June.

Ann & Steve Toon / Wildflowers, including poppies (Papaver rhoeas), corn marigold (Glebionis segetum), cornflowers (Centaurea cyanus) and corn chamomile (Anthemis arvensis), being grown for seed by Landlife, Fir Tree Fa...

Dong Lei / Blue poppy (Meconopsis lyrata) Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China.

Dong Lei / Yellow poppywort (Meconopsis integrifolia) flowering, Qinghai-Tibet Plateau, Shiqu County, Sichuan Province, China, August.

Ernie Janes / Field Poppies Pavaver rhoea and Sugar beet crop in Norfolk Field UK July

Adam Burton / Wild poppy (Papaver rhoeas) field at sunset, Dorset, England. July 2013.

Lynn M Stone / English Springer Spaniel in Virginia Cowslip (Lamprocapnos spectabilis) Rockton, Illinois, USA

Theo Bosboom,Theo Bosboom / Flowers in bloom with Poppies (Papaver rhoeas) and Anthemis in field near Huissen, the Netherlands, June 2011

Paul Harcourt Davies / Floral colour in fields on the Piano Grande from Poppies (Papaver rhoeas), Cornflowers (Centaurea), Mustard (Brassica) and Mayweed (Anthemis), Umbria, Italy, June

Paul Harcourt Davies,Paul Harcourt Davies / Mayweed (Anthemis sp) and Poppies (Papaver rhoeas) in flower, near Orvieto, Umbria, Italy, June

Paul Harcourt Davies / Cornflowers (Centaurea cyanus) and poppies (Papaver rhoeas) growing on fallow fields near Orvieto, Umbria, Italy. June 2010

Paul Harcourt Davies,Paul Harcourt Davies / Poppies (Papaver rhoeas) in flower, growing near the military cemetry, Bolsena, Italy. Taken with fisheye lens

Heather Angel / Grand-flowered horned poppies (Glaucium grandiflorum) in wildflower meadow. Southern Turkey. June 2012.

Heather Angel / Dead head hoverfly (Myathropa florea) and Leaf cutter bee (Megachile centuncularis) female feeding on Californian tree poppy (Romneya coulteri) pollen. Bee transferring pollen from abdomen to stigma....

Heather Angel / Red poppywort (Meconopsis punicea), raindrops on flower and stem. Medicinal plant in Tibet. Balang Shan, Sichuan Province, China. June.

Heather Angel / Yellow lampshade poppy / Yellow poppywort (Meconopsis integrifolia) after rainfall. Sichuan Province, China.

Heather Angel / Poppywort (Meconopsis pseudointegrifolia). Yunnan Province, China.

David Woodfall / Corn Marigold (Chrysanthemum segetum) and Scentless mayweed (Tripleurospermum inodorum) with Poppy (Papaver rhoeas) machair habitat, North Uist, Scotland, UK, July.

David Woodfall / Corn marigold (Chrysanthemum segetum) and Common poppy (Papaver rhoeas) in strips of cultivated machair, North Uist, Outher Hebrides, Scotland, UK, July.

Jack Dykinga / Flowering Goldfields (Lasthenia californica) and California poppies (Eschscholzia californica) with Gilia flowers intermixed. Antelope Valley California State Poppy Reserve, Antelope Buttes, Mojave De...

Konrad Wothe / Rye field (Secale cereale) with Poppies flowering (Papaver rhoeas) Upper Bavaria, Germany.

Jack Dykinga / Yucca surrounded by California poppies (Eschscholzia californica) and phacelia, in the dry arroyo water course. Joshua Tree National Park, Mojave Desert, California, USA. 27th March 2019.

Jack Dykinga / Yucca surrounded by California poppies (Eschscholzia californica) and phacelia. Joshua Tree National Park, Mojave Desert, California, USA. 27th March 2019.

Jack Dykinga / Silver cholla (Cylindropuntia echinocarpa) surrounded by California poppies (Eschscholzia californica) and phacelia. Joshua Tree National Park, Mojave Desert, California, USA. 27th March 2019.

Jack Dykinga / Carpet of yellow California goldfields (Lasthenia californica) punctuated by orange California poppies (Eschscholzia californica). Antelope Butte, near the Antelope Valley California Poppy Reserve, Mo...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with lupins intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with lupins intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with lupins intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve...