Spruce cone rust.

Bibliographic Details
Corporate Author:	United States. Forest Service. Pacific Northwest Region
Format:	Government Document Book
Language:	English
Published:	[Portland, Or.?] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, [1983?]
Series:	Forest disease management notes.
Subjects:	Spruce > Diseases and pests > Northwest, Pacific. Phytopathogenic fungi > Host plants > Northwest, Pacific. Cones (Botany)

Evans: US Documents (Annex 5th floor)