Pseudohalonectria halophila

Figure. Pseudohalonectria halophila (NYBG01050486). A. Ascomatum. B. Asci. C–E. Ascospores. Scale bars: A = 20 µm; B–E = 10 µm.

Pseudohalonectria halophila Kohlm. & Volkm.-Kohlm., Bot. Mar. 48(4): 310 (2005).
MycoBank: MB357071.

Morphological description: Ascomata perithecial, submerged, solitary, orange brown, globose to subglobose, 100–200 µm in diam, with an orange brown to yellow brown, cylindrical neck, 120–400 × 25–65 µm. Paraphyses hyaline, septate. Asci unitunicate, clavate, 8-spored, 85–115 × 13–20 µm, with a refractive ring. Ascospores 1–3-seriate in the ascus, not or slightly curved, hyaline to yellowish, ellipsoidal, 5–7-septate, slightly constricted at the septum, smooth, 35–43.5 × 8–10 µm.

Specimens examined: USA, North Carolina, Carteret County, Broad Creek, from debris of Juncus roemerianus, 9 Oct. 2003, J. Kohlmeyer and B. Volkmann-Kohlmeyer, 5761 (isotype, NYBG01050485, NYBG01050486); ibid., 1 Sept. 2000, J. Kohlmeyer and B. Volkmann-Kohlmeyer, 5673 (paratype, NYBG01349491).

Hosts/substrates: from debris of Juncus roemerianus.

Kohlmeyer J, Volkmann-Kohlmeyer B, Tsui CKM. 2005. Fungi on Juncus roemerianus. 17. New ascomycetes and the hyphomycete genus Kolletes gen. nov. Botanica Marina. 48(4):306–317.

Geographical distribution: USA, North Carolina.

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 ( American Phytopathological Society, St. Paul, MN.