Sprague, R. 1937: Undescribed species of Cercosporella and Cercospora on certain grasses in Oregon and Washington. Mycologia 29(2): 199-206.
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| Sprague, R. 1937: Undescribed species of Cercosporella and Cercospora on certain grasses in Oregon and Washington. Mycologia 29(2): 199-206. |