Hougaard Malan / Sandhof lily pan below a supercell storm. Sandhof farm, Maltahohe, Namibia. January 2011.

Michel Roggo / Underwater landscape looking up at bubbles and water lily in ice, Doubs River, France, February

Michel Roggo / Underwater landscape with water lily in peat pond, Fribourg, Switzerland, May

Michel Roggo / Underwater landscape with water lilies, Juktan, Sweden, July

Andy Rouse / Hippopotamus (Hippopotamus amphibius) partially submerged amongst lillies, South Africa (non-ex)

Rolf Nussbaumer / Common Moorhen {Gallinula chloropus} hen with Yellow Water Lillies, Welder Wildlife Refuge, Sinton, Texas, USA.

Rolf Nussbaumer / Yellow water lillies {Nuphar lutea} in bloom on lake, Welder Wildlife Refuge, Sinton, Texas, USA.

Ernie Janes / Blue agapanthus 'Loch hope', Hydrangea arborescens,and Rudbeckia Gold sturm in woodland garden

Ernie Janes / Blue agapanthus'Loch hope,and grasses in woodland garden

Ashley Cooper / A girl picking Water lillies growing on marshland in the Shire valley near Bangula, Malawi, March 2015.

Ashley Cooper / A girl picking Water lillies growing on marshland in the Shire valley near Bangula, Malawi, March 2015.

Michael Hutchinson / Lily pond containing Santa Cruz water lilies (Victoria cruziana) and 'Kew's Stowaway Blue' lillies (Nymphaea) in glasshouse, Kew Gardens, London, England, UK.

Michael Hutchinson / Lily pond containing Santa Cruz water lilies (Victoria cruziana) and 'Kew's Stowaway Blue' lillies (Nymphaea) in glasshouse, Kew Gardens, London, England, UK.

Tony Heald / African buffalo (Syncerus caffer) feeding on water lillies in Chobe River, Chobe National Park, Botswana. May.

Adrian Davies / Perez's Frog (Pelophylax perezi) on water lily pad, Madeira.

SCOTLAND: The Big Picture / Eurasian beaver (Castor fiber) swimming amongst lilies, Knapdale Forest, Argyll, Scotland, UK, June 2015.

SCOTLAND: The Big Picture / Eurasian beaver (Castor fiber) swimming amongst lilies, Knapdale Forest, Argyll, Scotland, UK, June.

Wim van den Heever / African jacana (Actophilornis africanus) juvenile walking on water lillies, Chobe river, Botswana.

Gary K. Smith / Shoots of Day lily (Hemerocallis, emerging through frosty ground in garden, England, February.

Cheryl-Samantha Owen / Black-headed heron (Ardea melanocephala) in a pond with water lillies, Grumeti Reserve, Northern Tanzania.

Thomas Lazar / Alpine meadow filled with yellow glacier lillies at dusk, Garden Wall in distance. Logan Pass, Glacier National Park, Rocky Mountains, Montana, July 2010.

Thomas Lazar / Alpine meadow filled with yellow glacier lillies, peak of Mount Reynolds in distance. Logan Pass, Glacier National Park, Rocky Mountains, Montana, July 2010.

Jussi Murtosaari / Lilypad Whiteface dragonfly (Leucorrhinia caudalis) male resting on lily pad, Joutsa, Finland.

Jussi Murtosaari / Brilliant emerald dragonfly (Somatochlora metallica) flying over wetlaand habitat, central Finland, July.

LYNN M. STONE / American purple gallinule (Porphyrio martinicus) hunting in aquatic vegetation, Lakeland, Florida, USA

Michel Roggo / Underwater landscape with water lilies, Juktan, Sweden, July

Michel Roggo / Underwater landscape with water lilies, in revitalized part of the Aare river, Switzerland, July

Michel Roggo / Underwater landscape with water lilies, Juktan, Sweden, July

Michel Roggo / Underwater landscape with water lilies, Juktan, Sweden, July

George Chan / Butterfly on yellow lillies at Changbai Shan Nature reserve, North-east China. July 2006, BBC Wild China series

Pete Oxford / Lotus flower {Nelembo genus}, Yunnan Provice, China 2006

Jack Dykinga / Desert Sand Verbena (Abronia villosa) and Desert Lillies (Hesperocallis undulata) at sunset, Mohawk Dunes, Barry M. Goldwater Range, Arizona

Jack Dykinga / Desert Lillies (Hesperocallis undulata) and Desert Sand Verbena (Abronia villosa) at sunset, Mohawk Dunes, Barry M. Goldwater Range, Arizona

Jack Dykinga / Autumn tree colours reflected on the Mahzenazing River, Water Lillies (Nuphar variegatum) and Water Arum (Calla palustris) on surface, Killarney Provincial Park, Ontario, Canada

Rolf Nussbaumer / Moorhen (Gallinula chloropus) amongst Yellow Water Lillies, Welder Wildlife Refuge, Sinton, Texas, USA. May 2005

Bernard Castelein / Male and female Indian sambar (Cervus unicolor) feeding in lake, Ranthambore NP, India

Rolf Nussbaumer / Yellow water lillies {Nuphar lutea} in flower, Welder Wildlife Refuge, Sinton, Texas, USA.

Rolf Nussbaumer / Yellow water lillies {Nuphar lutea} in flower on lake, Welder Wildlife Refuge, Sinton, Texas, USA.

Rolf Nussbaumer / Great egret {Ardea alba} with Yellow Water Lillies {Nuphar lutea} Welder Wildlife Refuge, Sinton, Texas, USA.

Jason Smalley / Freshwater pond with water lilies, Croston, Lancashire, UK. - The Croston Worm / Ribbon worm {Prostoma jenningsi} is endemic to the pond.

Pete Oxford / Papyrus and Day lillies, Okavango Delta, Botswana, Southern Africa

TOM MANGELSEN / Water lilies, Salmon Lake (Nymphaeacae) USA

Bengt Lundberg / Red and white Water lillies Tivedens NP, Sweden July

Bengt Lundberg / Red water lily, Tivedens NP, Sweden

Harry Collins / Great blue heron (Ardea herodias) holding American bullfrog (Lithobates catesbeianus) in beak whilst standing in swamp, Florida, USA.

Paul Harcourt Davies / Madonna lily (Lilium candidum) in flower, Umbria, Italy. June.

Paul Harcourt Davies / Branched St Benard's lily (Anthericum ramosum) in flower, Sibillini, Umbria, Italy. July.

Paul Harcourt Davies / Two Madonna lily (Lilium candidum) flowerheads, Umbria, Italy. June.

Robert Thompson / Alstroemeria Lily, close up of stamens. Studio image.

Richard Du Toit / Reed cormorant (Phalacrocorax africanus) with Crinum lillies, Marievale Bird Sanctuary, South Africa.

Remi Masson / Water lily (Nymphaea alba) flower underwater in lake, Ain, Alps, France, June. Winner of the Gold Medal in the Nature Category of the Tokyo International Photo Award 2019.

Remi Masson / Waterlily (Nymphaea alba) flower underwater in a lake. Ain, Alps, France