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.