Jack Dykinga / ARCHIVED SG - Duplicate 10/10/2017. Saguaro cactus (Carnegiea gigantea) at sunset, with drooping frost damaged limbs, South Maricopa Mountains Wilderness, Sonoran Desert National Monument, Arizona...

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

Jack Dykinga / Low angle view of Saguaro cactus (Carnegiea gigantea) with twisted lowered arms drooping to the ground, a result of frost damage. Honey Bee Canyon, Oro Valley, Arizona, USA. February.

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

Barrie Britton / Conifer tree bent under the weight of snow, Kuntivaara, Finland. Photograph taken on location for BBC Frozen Planet series, March 2010

Adrian Davies / Pendulous sedge (Carex pendula) dispersing pollen. April.

Guy Edwardes / Pendulous Sedge (Carex pendula), Dorset, England, UK, April.

Mike Read / Pendulous sedge (Carex pendula). Blashford Lakes Nature Reserve, England, UK. May.

Philippe Clement / European elder / European elderberry (Sambucus nigra) showing drooping fruit clusters of black berries in summer, France.autumn

Stephen Dalton / Pendulous sedge (Carex pendula) invasive species, Sussex, England, UK, May 2016.

Steve Downer / Pendulous sedge (Carex pendula) with Mayflies (Ephemeroptera) in the background, Moseley Bog, Birmingham, England, UK, June.

Jean E. Roche / Sedge (Carex pendula) flower heads, Bord de Charente, France, June.