Genetic variation and seed zones of douglas-fir in the Siskiyou National Forest
By: Robert K. Campbell and Albert I. Sugano
Contributors: Sugano, Albert I; Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW -- RP-461; Research paper PNW -- 461
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1993
Place of publication: Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208)
Language: eng
Number of pages: 23
Subjects: Douglas fir -- Climate factors -- Oregon -- Statistical methods; Plant ecological genetics -- Oregon -- Statistical methods; Siskiyou National Forest (Or. and Calif.) -- Climate
Notes: Cover title

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Includes bibliographical references (p. 22-23)

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1993] 1 microfiche : negative