作者单位：
Willamette National Forest, 211 E. 7th Ave., Eugene, OR 97401
[1]
Oregon Biodiversity Information Center, Institute for Natural Resources, Portland State University-INR, P.O. Box 751, Portland, OR 97207-0751
[2]
Corvallis Forestry Sciences Laboratory (retired), 3200 SW Jefferson Way, Corvallis, OR 97331
[3]
Willamette and Siuslaw National Forests (retired), P.O. Box 1148, Corvallis, OR 97339
[4]
发布时间
2014-07-23
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