Elytroderma disease of ponderosa pine in the Pacific Northwest
By: [by] T. W. Childs.
Series: USDA Forest Service research paper PNW ;; 69
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1968
Place of publication: Portland, Or
Language: eng
Number of pages: 45
Subjects: Ponderosa pine -- Diseases and pests.; Elytroderma deformans.
Notes: Bibliography: p. 38.
Cover title.