Cottonwood trees releasing seeds through the air after pollination in Utah.
Looking up at might tall cottonwood tree circling around in the Utah desert on sunny day.
Poplar fluff with wind, sunny day in public park. Flying white poplar fluff.
Man Observes Trees, Quiet Man With Backpack Gazes Upward At Thick Canopy Of Trees, Solitary Man Wearing Backpack Pauses To Observe Lush
Vibrant Autumn Foliage Along the Riverside Walk in Zion National Park, Utah
Scenic View of The Watchman Trail, Zion National Park, Utah, USA
Close up of cottonwood tree as it releases cotton seeds into the air and midge flies rest on the leaves in the breeze.
Tilt Up on Cottonwood Tree in the Winter
Tilting down view of cotton floating from cottonwood trees along the shore at Utah Lake.
Fluff seeds in the air over the river. The airborne particles could be pollen or seed fluff of cottonwood, poplar that aggravate allergies
Bull moose standing in aspen tree forest in the Utah mountains in Big Cottonwood Canyon.
Slow motion of cottonwood leaves with bokeh effect on the Missouri river in Montana
Wide view of Dandelion fluff lies on park path on summer time
A lot Dandelion fluff lies on green grass in summer. Slow motion view
Cotton from cottonwood trees and midge flies in the blue sky floating in the air at Utah Lake State Park.
NEW
US - 1989 - in this documentary, several trees and plants display the effects of Sulphur dioxide exposure, such as marginal and interveinal chlorosis, necrosis, and pigmentation change.
Driving down hole in the rock road past cottonwood tree in the Utah desert.
A lot Dandelion fluff lies on green grass in summer. Allergic problems. Slow motion
Cottonwood trees releasing there seeds in the breeze in slow motion at Utah Lake.
Cotton fluff flying through the sky in slow motion as it falls from the cottonwood trees in Utah.
Bull moose in thick forest eating leaves off trees in Utah in the wilderness in Big Cottonwood Canyon.
Looking up at cottonwood trees as cotton floats in the air in Provo Utah during late spring.
Poplar allergen fluff 4K
Autumn Foliage on the Sand Bench Horse Trail in Zion National Park
Time lapse looking through old cottonwood tree as clouds move over the desert through Castle Valley on dreary evening at sunset.
Allergic problems. Dandelion fluff lies on green grass in summer. Slow motion
Looking through the cottonwood trees towards Utah Lake during late spring as a bird flies by.
Clouds And Cottonwood Float In Sunny Blue Sky
Fluff and seeds in the air and on the field in the park. The airborne particles could be pollen or seed fluff of cottonwood, poplar that
Fluff and seeds in the air. The airborne particles could be pollen or seed fluff of cottonwood, poplar that aggravate allergies. Slow motion
Scenic view as sun lights up cliffs in the desert at sunrise as cottonwood trees are covered in yellow leaves during Fall in Utah.
Hiking through sandy wash though cottonwood trees in the desert in Escalante.
Looking up giant cottonwood tree in the Utah desert
Looking up into the blue sky as cotton floats in the air in slow motion as it is blown from the cottonwood trees in Utah.
Cotton filling the air as it blows from cottonwood trees in Utah during late spring in peak allergy season.
Dandelion fluff lies on green grass in summer. Slow motion
A lot Dandelion fluff lies on green grass in summer. Allergic problems
Poplar allergen fluff 4K
Bald Eagle Eating Fish in Cottonwood Tree
Close up view of ant colony on cotton covering the ground from cottonwood trees in Utah.
snowy tree jib shot
Dandelion fluff lies on park path on summer.
Poplar fluff in the air - Close Up. Health and disease concept
Serene lakeside scenery with wooden pier and cottonwood seeds
Golden Fall Leaves Panning Dolly Shot
Flying backwards over winding riverbed with cottonwood trees in the Wyoming landscape.
Autumn Cottonwood Trees Along Sand Bench Horse Trail, Zion National Park, Utah
Autumn Cottonwood Tree Foliage Along Sand Bench Horse Trail in Zion National Park, Utah