Field guide to the forested plant associations of southwestern Oregon /Publisher: [Portland, Or.?] : USDA, Forest Service, Pacific Northwest Region,
Date: [1996] This title can be found in 1 Iowa libraries.
Key species for plant associations on the Rogue River, Siskiyou and Umpqua national forests /Author: Seda, Anita.
Publisher: [Washington, D.C.?] : USDA Forest Service,
Date: 1989. This title can be found in 2 Iowa libraries.
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