Phomopsis canker of Douglas-fir
Contributors: United States. Forest Service. Pacific Northwest Region
Series: Forest disease management notes
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region
Published: 1983
Place of publication: [Portland, Or.?]
Language: eng
Subjects: Douglas fir -- Diseases and pests -- Northwest, Pacific; Fungi -- Spores -- Northwest, Pacific.
Notes: Caption title