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Aldo Leopold
Aspen
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Other Sources of Information

Aspen Restoration in the Western United States-U.S. Forest Service

Ecological Dynamics on Yellowstone's Northern Range - by The National Academy of Science

Bird species found in aspen of northern Yellowstone National Park

Tree of the Month page - for quaking aspen biology and natural history information

Biogeography of Quaking Aspen (Populus tremuloides). San Francisco State University, Department of Geography, GEO 316 Biogeography.

 

 

 



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