Figure. Ophioceras venezuelense (ILLS00000553). A–B. Ascomata. C–D. Asci. E–F. Ascospores. Scale bars: A = 500 µm; B = 200 µm; C–F = 10 µm.
Ophioceras venezuelense Shearer, J.L. Crane & W. Chen, Mycologia 91(1): 151 (1999).
MycoBank: MB450701.
Ascomata perithecial, superficial to submerged, solitary to gregarious, globose to subglobose, black, 750–900 µm diam, with a cylindrical, black neck, 300–800 × 90–135 µm. Paraphyses unbranched, septate, hyaline. Asci 8-spored, unitunicate, cylindrical, 135–170 × 10–14.5 µm, with a refractive ring. Ascospores parallel in ascus, filiform, slightly curved, 4–6-septate, not constricted at septum, hyaline to yellowish, smooth, 130–150 × 2–4 µm. Asexual state unknown.
Typification: Holotype ILLS553. Paratypes ILLS550, ILLS551, ILLS552.
Gene sequences: Unknown.
Specimens examined: Venezuela, Portuguesa, Guanare, on submerged decorticated wood, 16 Jan. 1993, J.L. Crane, J.D. Schoknecht and D.C. Taphorn, A-109-1, 57437 (ILLS553); ibid., on submerged wood, 26 Jan. 1993, J.L. Crane, J.D. Schoknecht and D.C. Taphorn, A-109-4, 57435 (ILLS551); ibid., on submerged herbaceous debris, 16 Jan. 1993, J.L. Crane, J.D. Schoknecht and D.C. Taphorn, A-109-5, 57434 (ILLS550); ibid., Estado Tachira, on submerged wood, 26 Jan. 1993, J.L. Crane, J.D. Schoknecht and D.C. Taphorn, A-109-3, 57436 (ILLS552).
Hosts/substrates: On submerged wood and herbaceous debris.
Distribution: Venezuela (Portuguesa).
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.