Stem breakage effect on cone and pollen production in Pinus monticola (Dougl.)
By: D.O. Coffen and M.A. Bordelon.
Contributors: Bordelon, M. A.; Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: USDA Forest Service research note INT -- 312.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
Published: 1981
Place of publication: Ogden, Utah
Language: eng
Subjects: Western white pine.; Pine cones.
Notes: Caption title.

"May 1981."

Bibliography: p. 6.