Response of ponderosa pine seeds to light
By: Michael Harrington.
Contributors: Intermountain Forest and Range Experiment Station (Ogden, Utah).; United States. Forest Service.
Series: USDA Forest Service research note INT ; 220; USDA Forest Service research note INT -- 220.
Publisher: Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
Published: 1977
Place of publication: Ogden, Utah
Language: eng
Subjects: Ponderosa pine
Notes: Issued May 1977.

Bibliography: p. 8.