Scleroderris canker of northern conifers
Contributors: O'Brien, James T.
Series: U.S. Forest Service. Forest pest leaflet 130
Publisher: U.S. Govt. Print. Off.]
Published: 1972
Place of publication: [Washington
Language: eng
Subjects: Canker (Plant disease); Hardwoods; Diseases
Notes: Issued Feb. 1972. Bibliography: p. 4