Fungalpedia – Note 2788, Pseudovalsaria
Pseudovalsaria. Spooner.
Citation when using this data: Huang SK et al. 2021 – Fungalpedia.
Index Fungorum, Facesoffungi, MycoBank, GenBank, Fig 1
Classification: Boliniaceae, Boliniales, Sordariomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi
Saprobic on wood. Sexual morph: Ascostromata immersed to erumpent through bark. Ascomata gregarious, brown to black, ellipsoidal to pyriform, immersed to semi-immersed in stroma. Asci 8-spored, unitunicate, cylindrical, apex rounded or blunt. Ascospores uniseriate, brown to dark brown, cylindrical to ellipsoidal, ends slightly tapered to rounded, 0–1-septate, smooth-walled, with a germ pore at the base, guttulate. Asexual morph: Undetermined (adapted from Spooner 1986).
Notes: Spooner (1986) established Pseudovalsaria typified by P. foedans, and Barr (1994) placed this genus in Clypeosphaeriaceae. Rappaz (1995) subsequently transferred it to Boliniaceae as it has similar characters to Camarops, such as cylindrical asci and ellipsoidal ascospores with germ pore. Untereiner et al. (2013) confirmed that Pseudovalsaria belong in Boliniaceae based on ITS-LSU sequence analyses of P. ferruginea. In this study, the strain of P. ferruginea is sister to Apiorhynchostoma apiosporum in Boliniaceae (72%/ML).
Type species: Pseudovalsaria foedans (P. Karst.) Spooner, Trans. Br. mycol. Soc. 86(3): 405 (1986).
Other accepted species: Species Fungorum – search Pseudovalsaria.
Figure 1 – Neohypodiscus rickii: a, c, e, g, h (BPI-737826); b, d, f, i (BPI-802543); j, k (redrawn from Rogers et al. 1994b). a, b Herbarium material. c, d Ascostromata on host. e, f Ascostromata narrow to broad connection to substrate with veins. g–i Ascomata (h arrow indicates short umbilicate ostiole). j Ascospores with appendage at the ends. k Ascus with indistinct apical ring; Endoxyla macrostoma: l, m (redrawn from Untereiner 1993). l Ascus. m Ascospores; Mollicamarops stellata: n, o (redrawn from Vasilyeva 2007). n Ascus. o Ascospores; Pseudovalsaria foedans: p–q (redrawn from Spooner 1986). p Ascus. q Ascospores. Scale bars: c–f = 2 mm, g–i = 1 mm, j. m–n. q = 10 µm, k = 50 µm, l, p = 20 µm, o = 5 µm.
References
Barr ME 1994 – Notes on the Amphisphaeriaceae and related families. Mycotaxon 51:191–224.
Entry by
Shi-Ke Huang, State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China, The Engineering Research Center of Southwest Bio-Pharmaceutical Resources, Ministry of Education, Guizhou University, Guiyang 550025, Guizhou Province, China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand, The Mushroom Research Centre, Guizhou University, Guiyang 550025, China
Published online 18 June 2026