Some Leafspot Fungi on Western Gramineae: III

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Abstract
The following spp. are new Ascochyta utahensis on Agropyron inermis; Pyrenochaeta elymi on Elymus glaucus; Macrophoma sporo-boli on Sporobolus giganteus. Ascochyta ayenae n. comb. Sprague and A. G. Johnson (Ascochytella a. (Petrak) is proposed. Ascochyta hordei was found on several hosts; Apiocarpella macrospora occurs on Stiporyzopsis bloomeri; Septoria avenae on several newly reported hosts, as was also S. nodorum; Cylindrosporium calamagrostidis causes a leafspot on Muhlenbergia. Noteworthy forms of other fungi, including Septoria elymi and Ovularia pusilla, are discussed.

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