A severe epidemic of Marssonina leaf blight on quaking aspen in northern Utah - Harniss, Roy O.; Nelson, David L.; Intermountain Forest and Range Experiment Station (Ogden, Utah) (Ogden, UT. : U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1984)
"March 1984."
Distributed to depository libraries in microfiche.
Caption title.
Bibliography: p. 6.
Mode of access: Internet.
Keywords: Fungal diseases of plants -- Utah; Populus tremuloides -- Diseases and pests -- Utah; Melanconiaceae