Quaking aspen Populus tremuloides Location: Fuller Lake trail near Cooper Landing, AK Year: 2005 Merckslides catalogue number: 21(05)-22218 Comments:

Quaking aspen Populus tremuloides Location: Visitor's Center Wrangel-St. Elias National Park, near Glenallen, AK Year: 2007 Merckslides catalogue number: 05-24529 Comments:

Quaking aspen Populus tremuloides Location: Visitor's Center Wrangel-St. Elias National Park, near Glenallen, AK Year: 2007 Merckslides catalogue number: 05-24530 Comments:

Quaking Aspen Populus tremuloides Location: Iditerod Information Center, Wasilla, AK Year: 2009 Merckdigitals catalogue number: 05-71648 Comments:

Quaking Aspen Populus tremuloides Location: Matanuska Glacier State Park, AK Year: 2009 Merckdigitals catalogue number: 05-71958 Comments:

Quaking Aspen Populus tremuloides Location: Matanuska Glacier State Park, AK Year: 2009 Merckdigitals catalogue number: 05-71966 Comments:

Quaking aspens in possible growth waves Populus tremuloides Location: Matanuska Glacier State Park, AK Year: 2009 Merckdigitals catalogue number: 05-71940 Comments:

Quaking aspens in possible growth waves Populus tremuloides Location: Matanuska Glacier State Park, AK Year: 2011 Merckdigitals catalogue number: 05-77101 Comments:

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