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
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: 4. Seed flight of noble fir and Pacific silver fir