Vacuum collection of Douglas-fir pollen for supplemental mass pollinations / D.L. Copes [and others].

Bibliographic Details
Uniform Title:	Research note PNW ; 503.
Corporate Author:	Pacific Northwest Research Station (Portland, Or.)
Other Authors:	Copes, Donald L.
Language:	English
Published:	[Portland, Or. (319 S.W. Pine St., Portland 97208)] : U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, [1991]
Series:	Research note PNW ; 503.
Subjects:	Douglas fir > Pollen > Northwestern States. Pollination > Northwestern States.
Physical Description:	8 pages : illustrations ; 28 cm.
Format:	Government Document Book

Description
Note:	Caption title. Distributed to depository libraries in microfiche. "January 1991." Microform.
Call Number:	A 13.79:PNW-503
Bibliography Note:	Includes bibliographical references (page 8).