Ophioceras ohiense

Figure. Ophioceras ohiense (NYBG01050480). A–B. Ascomata. C–E. Asci. F–G. Ascospores. Scale bars: A–B = 200 µm; C–G = 10 µm.

Ophioceras ohiense Ellis & Everh., N. Amer. Pyren. (Newfield): 198 (1892).
MycoBank: MB247860.

Ascomata perithecial, submerged, solitary to gregarious, globose to subglobose, black, 560–800 µm diam, with a cylindrical, black neck, 600–900 × 130–175 µm. Paraphyses unbranched, septate, hyaline. Asci 8-spored, unitunicate, cylindrical, 120–170 × 11–15 µm, with a refractive ring. Ascospores 2–3-seriate in ascus, fusiform, not or slightly curved, 6–8-septate, not constricted at septum, hyaline to yellowish, smooth, 52–65 × 4.5–6.5 µm. Asexual state unknown.

Typification: Isotype NY1050480.

Gene sequences: Unknown.

Specimens examined: USA, Ohio, Hamilton, Preston, on rotten hickory wood, 1887, A.P. Morgan, 528 (NY1050480), 610 (NY1050480).

Hosts/substrates: On rotten wood.

Distribution: USA (Ohio).

Copyright 2022 by The American Phytopathological Society. Reproduced, by permission, from Luo, J., and Zhang, N. 2022. The Rice Blast Fungus and Allied Species: A Monograph of the Fungal Order Magnaporthales (https://my.apsnet.org/APSStore/Product-Detail.aspx?WebsiteKey=2661527A-8D44-496C-A730-8CFEB6239BE7&iProductCode=46826). American Phytopathological Society, St. Paul, MN.