Stephen Dalton / Common horsetail (Equisetum arvense) shedding spores, UK

Colin Varndell / Hazel catkins (Corylus avellana) releasing pollen. Dorset, England, UK February

Solvin Zankl / Seeds of Water avens (Geum rivale), Europe. Water aven seeds have numerous hairs, which enable dispersal by wind, as well as a long hooked tail formed by the style, which readily attaches to mammal fu...

Solvin Zankl / Seed of Goatsbeard (Tragopogon pratensis) - Europe. Like dandelions, the seeds of goatsbeard have a parachute that enables wind dispersal over large distances. The parachute is up to 4cm in diameter a...

Solvin Zankl / Seed of Pasque flower (Pulsatilla vulgaris) - Europe. Seeds of the pasque flower carry a "tail", formed from the persisting style. The seeds are dispersed by wind and, additionally, can "crawl" along...

Solvin Zankl / Seeds of Oxeye daisy (Chrysanthemum leucanthemum), Europe. Dispersal is coincidental by wind, animals or water. The seeds lack any obvious structures for specialised dispersal.

Kim Taylor / Dandelion (Taraxacum officinale) seeds blowing in the wind. Digital composite, UK.

Solvin Zankl / Dandelion seed floating {Taraxacum officinale} Germany

Eric Baccega / Dandelion (Taraxacum officinale) seed blowing in the wind Alsace, France

Adrian Davies / Rosebay willowherb (Chamerion angustifolium angustifolium) seeds blowing from plant, UK, August

Ernie Janes / Dandelion (Taxaxacum officinale) seeds blowing in the wind, UK, April

Ernie Janes / Dandelion (Taxaxacum officinale) seeds blowing in the wind, UK, April

Ross Hoddinott / Hazel (Corylus avellana) catkins releasing pollen. North Cornwall, UK, March.

Jean E. Roche / Art installation depicting the wind dispersal of seeds at the International Garden Festival 2011, theme Biodiversity, Chateau Chaumont-sur-Loire, France, June 2011

Laurent Geslin / Dandelion (Taraxacum officinale) seed head with seeds blowing away, Switzerland, May

Ernie Janes / Silhouette of Dandelion (Taraxacum officinale) seedheads, UK

Ernie Janes / Silhouette of Dandelion (Taraxacum officinale) seedheads with seeds blowing in wind, UK

Ernie Janes / Dandelion (Taraxacum officinale) seedheads with seeds blowing in wind, UK

Ernie Janes / Colts-foot (Tussilago farfara) seedheads from a low angle, shedding their seeds to the wind. UK, April.

Ernie Janes / Colts-foot (Tussilago farfara) seedheads from a low angle, shedding their seeds to the wind. UK, April.

Nature Production / Common Dandelion (Taraxacum officinale) seeds dispersing in the wind, Gunma, Japan

Nick Upton / Keeled, winged seed pods of Jerusalem thorn / Christ's thorn / Crown of thorns tree (Paliurus spina-christi) against blue sky, growing on coastal limestone hillside, Zadar province, Croatia, July.

Nick Upton / Keeled, winged seed pods of Jerusalem thorn / Christ's thorn / Crown of thorns tree (Paliurus spina-christi) growing on coastal limestone hillside, Zadar province, Croatia, July.

Adrian Davies / Common Ash tree (Fraxinus excelsior) close up of flowers shedding pollen in wind. England, UK

Tim Laman / Boy (four years) blowing Dandelion seed heads, Lexington, Massachusetts, USA, May 2005, Model released

Stephen Dalton / Dandelion (Taraxacum officinale) dispersing in wind, UK

Stephen Dalton / Dandelion seed disperal (Taraxacum officinale) UK

Patricio Robles Gil / Seeds and fruit on forest floor, seeds are adapted for wind dispersal, floating down from the canopy, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April

Stephen Dalton / Pendulous sedge {Carex pendula} pollen dispersal, UK

Stephen Dalton / Pendulous sedge {Carex pendula} pollen dispersal, UK

Bernard Castelein / Dandelion (Taraxacum vulgaria) seed head, Klein Schietveld, Brassschaat, Belgium

Adrian Davies / Rosebay willowherb {Chamerion angustifolium angustifolium} seeds blowing in the wind, UK

David Tipling / Young boy blowing Dandelion seed head, Norfolk, UK, May, model released

Adrian Davies / Pendulous Sedge {Carex pendula} dispersing pollen in wind, Studio, UK

Juan Carlos Munoz / Looking up through the branches of White poplar tree (Populus alba) with seeds covered in thick white fluff to aid wind dispersal, Andalucia, Spain, March

Juan Carlos Munoz / White poplar tree (Populus alba) with seeds covered in thick white fluff to aid wind dispersal, Andalucia, Spain, March

Juan Carlos Munoz / White poplar tree (Populus alba) with seeds covered in thick white fluff to aid wind dispersal, Andalucia, Spain, March

Juan Carlos Munoz / Branches of White poplar tree (Populus alba) with seeds covered in thick white fluff to aid wind dispersal, Andalucia, Spain, March

Albert Lleal / Italian Cypress (Cupressus sempervirens) dispensing pollen in the wind

Adrian Davies / Milkweed / Swan plant (Gomphocarpus fruticosus), seed pod starting to disperse seeds, Sardinia, July.

Adrian Davies / Goat's beard, close-up of seedhead of (Tragopogon pratensis), UK

Simon Colmer / Red-bud / Trautvetter's maple seeds {Acer heldreichii trautvetteri} UK, native to the Caucasus

Jouan & Rius / Seed head of {Goodenia angustifolia} on sand desert, Central Australia, Australia

Adrian Davies / Pendulous sedge {Carex pendula} discharging pollen into the air, UK

Adrian Davies / Greater bulrush / reedmace {Typha latifolia} discharging pollen into the air, UK

Nature Production / Common Dandelion {Taraxacum officinale} seeds blowing in the wind, Japan

Nature Production / Geranium seed {Pelargonium graveolens} adapted for wind dispersal

Nature Production / Indian Balsam {Impatiens balsamina} seeds bursting from seed pod and blowing in the wind, Japan

Kim Taylor / Dandelion (Taraxacum officinale) seeds carried upwards in the wind. UK. Digitally enhanced

Solvin Zankl / Seed of Goatsbeard (Tragopogon pratensis) - Europe. Like dandelions, the seeds of goatsbeard have a parachute that enables wind dispersal over large distances. The parachute is up to 4cm in diameter a...

Solvin Zankl / Seed of Goatsbeard (Tragopogon pratensis) - Europe. Like dandelions, the seeds of goatsbeard have a parachute that enables wind dispersal over large distances. The parachute is up to 4cm in diameter a...

Solvin Zankl / Seeds of Common Bistort (Bistorta officinalis), Europe. Air in the seedcoat allows the seed to float and disperse in water. Some wind dispersal also occurs.

Solvin Zankl / Field marigold seed (Calendula arvensis). Dispersal is either by wind-driven movement on the ground or by mammal fur, which the seeds attach to with spiny burs.

Solvin Zankl / Seeds of Oxeye daisy (Chrysanthemum leucanthemum), Europe. Dispersal is coincidental by wind, animals or water. The seeds lack any obvious structures for specialised dispersal.

Solvin Zankl / Field marigold seed (Calendula arvensis). The seeds ripen in late August/early September and develop into a variety of unique forms. Seeds in the outer head are longer while the innermost ones are sho...

Solvin Zankl / Venus comb seed (Scandix pecten veneris), Europe. The venus comb has two different types of seed: the outermost seeds are carried on a central shaft, which points vertically upwards as the seeds ripen...

Solvin Zankl / Seed of Water avens (Geum rivale), Europe. Water aven seeds have numerous hairs, which enable dispersal by wind, as well as a long hooked tail formed by the style, which readily attaches to mammal fur...

Solvin Zankl / Seeds of Common Bistort (Bistorta officinalis), Europe. Air in the seedcoat allows the seed to float and disperse in water. Some wind dispersal also occurs.

Solvin Zankl / Red clover seeds (Trifolium pratense) - Europe. Plant-eating mammals, ants and earthworms are partly responsible for seed dispersal, and the seeds also carry dried remnants of the former flower, which...

Solvin Zankl / Seeds of Oxeye daisy (Chrysanthemum leucanthemum), Europe. Dispersal is coincidental by wind, animals or water. The seeds lack any obvious structures for specialised dispersal.

Solvin Zankl / Field marigold seed (Calendula arvensis). Dispersal is either by wind-driven movement on the ground or by mammal fur, which the seeds attach to with spiny burs.

Solvin Zankl / Seeds of Water avens (Geum rivale), Europe. Water aven seeds have numerous hairs, which enable dispersal by wind, as well as a long hooked tail formed by the style, which readily attaches to mammal fu...

Solvin Zankl / Venus comb seed (Scandix pecten veneris), Europe. The venus comb has two different types of seed: the outermost seeds are carried on a central shaft, which points vertically upwards as the seeds ripen...

Bernard Castelein / Close up of Dandelion seedhead {Taraxacum officinale} Belgium

Elizabeth White / Spinifex grass ball on beach, Western Australia

Paul Hobson / Goats beard seed head {Tragopogon pratensis} Wiltshire, UK

Adrian Davies / Hazel - male catkins discharging pollen, England, Europe. Note red female flower below

DOMINIC JOHNSON / Cotton grass (Hare's-tail cotton-grass) Siberia, Russia

Bernard Castelein / Dandelion seed dispersing {Taraxacum officinale} Europe

Mark Moffett / Oil droplets, lit by lasers swirl in a wind tunnel around a flowering grass blade to study how pollen moved between plants on the wind, /n Berkeley, California

Georgette Douwma / Dandelion seedhead with seeds being blown by wind. {Taraxacum officinale} UK