Pseudoaurantiascoma Thambugala & K.D. Hyde, Fungal Divers. 74: 249 (2015).
MycoBank number: MB 551273; Index Fungorum number: IF 551273; Facesoffungi number: FoF 00837; 1 morphological species (Index Fungorum 2020), 1 species with molecular data.
Type species – Pseudoaurantiascoma kenyense (Mugambi & Huhndorf) Thambugala & K.D. Hyde, Fungal Divers. 74: 250 (2015).
≡ Misturatosphaeria kenyensis Mugambi & Huhndorf, Stud. Mycol. 64: 113 (2009).
Notes – Pseudoaurantiascoma was introduced by Thambugala et al. (2015b) to accommodate Misturatosphaeria kenyensis based on its similarity with Aurantiascoma. Jaklitsch et al. (2016b) synonymized Pseudoaurantiascoma under Teichospora and illustrated Teichospora trabicola as type species. However, we treat Pseudoaurantiascoma as a separate genus from Teichospora based on morphological differences of ascospores and phylogeny analyses in this study. Because the morphological characters of Pseudoaurantiascoma kenyense are distinctly different from T. trabicola in having 2-seriate, hyaline, fusiform, 1–3-septate (mostly1-septate) ascospores with small mucilaginous sheath that extends at the apex of ascospores (Thambugala et al. (2015b), whereas T. trabicola has partly 2-seriate, ellipsoid to clavate, brown and muriform ascospores without a mucilaginous sheath (Jaklitsch et al. 2016b). Phylogeny analyses also indicate T. trabicola and P. kenyense grouped in well separated sub clades (Fig. 152).
Figure 152 – Phylogram generated from maximum likelihood analysis (RAxML) of genera in Teichosporaceae based on ITS, LSU, and tef1 sequence data. Maximum likelihood bootstrap values equal or above 70 %, Bayesian posterior probabilities equal or above 0.90 (MLBS/PP) are given at the nodes. An original isolate number is noted after the species name. The tree is rooted to Hermatomyces tectonae (MFLUCC 14-1140) and H. thailandica (MFLUCC 14-1143). The ex-type strains are indicated in bold. Hyphen (-) represents support values below 70 % MLBS and 0.90 PP.