A severe epidemic of Marssonina leaf blight on quaking aspen in northern Utah
By: Roy O. Harniss, David L. Nelson.
Contributors: Nelson, David L.; Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: USDA Forest Service research note INT -- 339.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
Published: 1984
Place of publication: Ogden, UT
Language: eng
Subjects: Melanconiaceae.; Populus tremuloides -- Diseases and pests -- Utah.; Fungal diseases of plants -- Utah.
Notes: Caption title.

Distributed to depository libraries in microfiche.

"March 1984."

Bibliography: p. 6.