Dothideomycetes » Dothideomycetes, genera incertae sedis » Cercidospora

Cercidospora ulothii

Cercidospora ulothii Körb., Parerga lichenol. (Breslau) 5: 466 (1865).

            Index Fungorum number: IF 212854; Facesoffungi number: FoF 12160, Fig. 1

Description:

Saprobic on Squamaria saxicola. Sexual morph: Perithecia 145–300 mm diam., stromatic, inconspicuous, sparse to gregarious, immersed on the substrate, with a thick, black, multilayered wall in the upper half. Paraphysoids 1.5–2 µm scarcely abundant. Asci 65–90 × 9–11 μm (x̄ = 72.3 × 10.9 µm, n = 10), cylindrical, bitunicate, rounded at the tip, stalked at the base, 4–8 spored, 2-seriate above, uniseriate below. Ascospores 19–30 × 4–7 μm (x̄ = 20.3 × 5.9 µm, n = 10), fusoid, naviculate, with both cells equal in shape and size, median 1-euseptate, bi-celled, hyaline, smooth, conical at both ends. Asexual morph: Unknown.

Material examined: Europe, Germany, on thallus of ascolichen (Apothecial) on Squamaria saxicola (Parmeliaceae), Uloth WLH (L 0056597, holotype).