08139.jpg
Quaking aspen (Populus tremuloides) in the fall;
John Good;
1967
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Quaking aspen (Populus tremuloides) grove in summer;
John Good;
1965
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Quaking aspen (Populus tremuloides) grove in the fall at Mammoth Hot Springs;
Steve Gniadek;
September 1974
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Willow catkin with dew;
Rosalie LaRue;
1976
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08213.jpg
Quaking aspen (Populus tremuloides) & clouds;
Bach;
1975
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Stand of quaking aspen (Populus tremuloides) in Lamar Valley;
William W Dunmire;
1969
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Stand of quaking aspen (Populus tremuloides);
Photographer unknown;
1964
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Quaking aspen (Populus tremuloides);
William S Keller;
1978
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Quaking aspen (Populus tremuloides) near Lamar River in the winter;
Jim Peaco;
February 2000
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Jim Peaco (6'2") in willows near the Gallatin River in Yellowstone National Park;
Jim Peaco;
October 1997
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Aspens budding at Forces of the Northern Range Trail;
Jo Suderman;
May 2002
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Quaking aspen (Populus tremuloides) seedlings;
Jim Peaco;
October 1997
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