Synonymy:
Helminthosporium avenaceum M.A. Curtis ex Cooke, Grevillea 17(no. 83): 67 (1889)
Drechslera avenacea (M.A. Curtis ex Cooke) Shoemaker, Canad. J. Bot. 37(5): 880 (1959)

Helminthosporium avenae Eidam, Der Landw. (Schles. Landw. Ztg), Breslau 27: 509 (1891)
Drechslera avenae (Eidam) Scharif, Studies on Graminicolous Species of Helminthosporium (continuation), Teheran: 72 (1963)

Pyrenophora chaetomioides Speg., Anal. Mus. nac. Hist. nat. B. Aires 6: 285 (1898) [1899]

Position in classification:
Pyrenophora, Pleosporaceae, Pleosporales, Pleosporomycetidae, Dothideomycetes, Ascomycota, Fungi

Note:
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