Eosphaeria uliginosa
Eosphaeria uliginosa (Fr.) Höhn., Annls mycol. 15(5): 362 (1917) Basionym: Sphaeria uliginosa Fr., in Kunze & Schmidt, Mykologische Hefte (Leipzig) 2: 39 (1823)
Facesofungi number: FoF 10041; Fig. X
Isolated from soil. Sexual morph: Ascomata 280–620 µm (x̄=480 µm, n=10) diam., perithecial, gregarious, superficial, globose to subglobose, brown to black, carbonaceous, verrucose, ostiolate, with papilla, periphysate. Peridium 60–100 µm (x̄= 75 µm, n = 20) wide, comprising two layers, outer layer carbonaceous, composed of black cells; inner layer membranaceous, composed of pale brown to hyaline cells of textura angularis to textura prismatica. Paraphyses numerous, filiform, evanescent. Asci (170–)190–250(–280)×13–17 µm (x̄= 225 × 16 µm, n = 20), 8-spored, unitunicate, cylindrical, pedicellate, apex rounded, with subapical globule, evanescent. Ascospores bi-seriate, slightly curved, aseptate, multi-guttulate, hyaline and ellipsoidal when young, becoming multi-septate, geniculate, 2/3 upper cells swelling, truncate at the base, dark brown when mature, 30–35(–45) × 4–7 µm (x̄= 34 × 5.5 µm, n = 50); 1/3 lower cells hyaline when mature, 12–18(–20)×4–6 µm (x̄=15×4.5 µm, n=50), smooth-walled, with bipolar short conical appendages (upper cauda 3.5–5.5×1–2.5 µm; lower cauda 6.5–10×1.5–3 µm), disappearing with age. Asexual morph: Hyphomycetous, phialophora-like. Conidia small, oval to globose (adapted from von Höhnel 1917).
Material examined: USA, Maine, Hancock Co. Township of 728MD, Lead Mountain (Humpback), along road near parking area, 44° 51ʹ 28″ N, 68° 05′ 52″ W, beech-maple forest, in soil, 2 September 2014, R.C. Harris (NY-01818643).
Known hosts and distribution: On soil in marshy places in Germany (type locality) (Fries 1823; von Höhnel 1917); on clay soil in USA (Ellis and Everhart 1893).
Notes: Lasiosphaeria dichroospora, which was collected on clay soil in USA, was synonymized under Eosphaeria uliginosa (Ellis and Everhart 1893; von Höhnel 1917). We could not obtain type material of E. uliginosa and, therefore, re-examined an authentic specimen collected from USA by Harris with features similar to those described in Ellis and Everhart (1893) and von Höhnel (1917).
Fig. X Eosphaeria uliginosa: a–f, h–m (NY-01818643); g (redrawn from von Höhnel 1917). a Herbarium material label. b Herbarium material. c Ascomata on host. d Ascoma in cross section. e Peridium. f Asci with paraphyses. g Ascus. h–m Ascospores. Scale bars: c=1 mm, d=200 µm, e–f=100 µm, g=50 µm, h–m=20 µm.
Retrieved from:
Huang, SK., Hyde, K.D., Mapook, A. et al. Taxonomic studies of some often over-looked Diaporthomycetidae and Sordariomycetidae. Fungal Diversity 111, 443–572 (2021). https://link.springer.com/article/10.1007/s13225-021-00488-4
References
Ellis JB, Everhart BM (1893) New west American fungi. Erythea 1:197–206
Fries EM (1823) Synopsis Scleromycetum in Suecia nuper detectorum, praemissa nova Sphaeriarum dispositione. Mykologische Hefte 2:31–60
von Höhnel F (1917) Mykologische Fragmente. Nrn. 120–190. Annales Mycologici 15(5):293–383
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