Micro-organisms from the pith region of suppressed grand fir understory trees
By: Paul E. Aho and Anita Hutchins.
Contributors: Hutchins, Anita.; United States. Forest Service.; United States Pacific Northwest Forest and Experiment Station.
Series: Research note PNW -- 299.; USDA Forest Service research note PNW -- 299.; Research note PNW -- 299.
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1977
Place of publication: Portland, Or
Language: eng
Subjects: Fir -- Diseases and pests; Microorganisms; Phytopathogenic fungi
Notes: Caption title.

Bibliography: p. 5.