Seeding habits of upper-slope tree species
By: by Richard E. Carkin ... [et al.].
Contributors: Carkin, Richard E.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service.
Series: USDA Forest Service research note PNW ; 312; Research note PNW -- 312.
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1978
Place of publication: Portland, Or
Language: eng
Subjects: Fir.; Noble fir.; Seeds -- Oregon -- Dispersal.; Seeds -- Washington (State) -- Dispersal.
Notes: Issued Feb. 1978.

Bibliography: p. 10.
Table of contents: value: 4. Seed flight of noble fir and Pacific silver fir.