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Black Butte volcanic cinder cone presents a stark contrast to surrounding fall color. Mount Shasta, California, USA
Star field at night over Whirlpool River in Jasper National Park
Fall Colors in the Santa Fe National Forest
Fall colors on US-14 over Cedar Mountain to Cedar Breaks National Monument and Navajo Lake Utah
Fall colors near Fish Lake near Richfield Utah, USA photographed along FR-036 Freemont River Road.
The Quaking Aspen (Populus tremuloides) gets its name from the way the leaves quake in the wind. The aspens grow in large colonies, often starting from a single seedling and spreading underground only to sprout another tree nearby. For this reason, it is considered to be one of the largest single organisms in nature. During the spring and summer, the aspens use sunlight and chlorophyll to create food necessary for the tree’s growth. In the fall, as the days get shorter and colder, the naturally green chlorophyll breaks down and the leaves stop producing food. Other pigments are now visible, causing the leaves to take on beautiful orange and gold colors. These colors can vary from year to year depending on weather conditions. For instance, when autumn is warm and rainy, the leaves are less colorful. This fall scene of gold colored aspens was photographed at Hart Prairie in the Coconino National Forest near Flagstaff, Arizona, USA. Kendrick Peak (10,423 feet) is in the background.
Fall Color Foliage Hits Colorado
A scenic view of the San Francisco Peaks and aspen trees that surround Lockett Meadow in Arizona, USA
Fall colors in the trees on the high plains of Arizona, USA
Rocky Mountain views after a forest fire in Waterton National Park in Alberta Canada
Highway lined with Aspen in their golden fall colors and tall fir and pine trees, in the Dixie National forest, Utah, USA. In an aspen grove the different tress are actually all clones from a single root system, making the Quivering aspen the largest single living organism.
Steep Pikes Peak highway to the summit of America's Mountain (elevation 14115 feet) in the Rocky Mountains in central Colorado in western USA of North America. Nearby cities are Colorado Springs, Denver and Pueblo, Colorado.
Road through the aspens in fall at the North Rim of the Grand Canyon.
Fall Autumn Colors Around Telluride
Yellow Aspen Trees of the Santa Fe National Forest in Autumn.
The changing colors of the aspens among a forest of evergreen trees in the upper elevations of the Rocky Mountains near Telluride, Colorado.
Beautiful mountain scenery with streams, valleys, and color changing trees along a train route from Chama, New Mexico to Antonito, Colorado
A view of Mount Charleston, Nevada
Autumn scenery of 318 in the southern Sichuan-Tibet line of China
Autumn leaf colors in Colorado
A scenic view of a grassy field with a mountain range in the background. Lockett Meadow, Arizona
Farm in the rocky mountain foothills of rural Alberta Canada
Autumn view of Capulin
Aspens changing in Colorado with Spinney reservoir Mt Princton and Mt Harvard in the distence
Dirt road for logging through autumn leaves of aspen trees on a mountain top in central Colorado of western USA in North America. This is west of Colorado Springs, Colorado in the Rocky Mountains.
Aspen Trees in fall
A mixed forest of Aspen, fir and pine trees in the Dixie national forest on the high altitudes of the Aquarius Plateau, Utah, USA, on a sunny autumn day. This forest includes Quivering aspen, Populus tremuloides, Ponderose Pine,  Pinus ponderosa, and Douglas firs, Pseudotsuga menziesii,
Rows of Aspens at peak Fall color grow in tall vertical rows with spruce evergreens creating a spectacular landscape that looks like a painting. Each Autumn, the Colorado Rocky Mountains create a dazzling and colorful display as the Aspens turn a brilliant yellow and glow against the mountains. In addition, their tall, vertical, trunks with white bark create a repetitive pattern under the foliage. Taken in Vail, Colorado near the Gore River.
Autumn aspen colors on a rural road in New Mexico
Kebler Pass in Autumn, Colorado, USA
Free Images: "bestof:Beginnings of fall color on northern slopes of the San Francisco Peaks. This drive takes you around the north side of Arizona's highest mountain, winding"
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