Opening temperatures in serotinous cones of lodgepole pine
By: David A. Perry and James E. Lotan
Contributors: Lotan, James E.; Intermountain Forest and Range Experiment Station (Ogden, Utah); United States. Forest Service
Series: USDA Forest Service research note INT -- 228; USDA Forest Service research note INT -- 228.
Publisher: Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
Published: 1977
Place of publication: Ogden, Utah
Language: eng
Subjects: Lodgepole pine
Notes: Issued Sept. 1977.

Includes bibliographical references (p. 6).