Fungalpedia – Note 1987, Sydowiellaceae

 

Sydowiellaceae. Lar.N. Vassiljeva.

Citation when using this data: Hyde KD et al. 2020 – Fungalpedia, Ascomycota.

Index Fungorum, Facesoffungi, MycoBank, GenBank

Classification: Diaporthales, Diaporthomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi

 

Saprobic or parasitic on plant matter. Sexual morph: Stromata well- or poorly developed, prosenchymatous, scattered, immersed to erumpent, appearing as an aggregation of ostioles, rounded or elliptic, dark brown to black, composed of compact pseudoparenchymatous tissues, several ascoma in a stroma, some species turning umber in 5% KOH. Ascomata solitary or aggregated, immersed or erumpent, globose to subglobose, sometimes circinate, coriaceous, with central or asymmetrically located ostiolar canal opening through an individual or converged ostiole, internally covered by filamentous, hyaline periphyses, sometime ostiolar opening wider than canal, black to brown. Peridium comprising a few layers of brown, thick-walled cells of textura angularis. Paraphyses cellular, septate, branched, hyaline. Asci 8-spored, unitunicate, cylindrical to subglobose, short pedicellate, apex blunt, with J-, apical ring. Ascospores uni- to multi-seriate, hyaline, pale brown to dark brown, filamentous, ellipsoid or long fusoid-cylindrical, 1–11-septate, sometimes with apical and basal appendages, wall smooth or verruculose ornamentation. Asexual morph: Coelomycetous. Conidiomata sometimes stromatic, pycnidia, uniloculate, superficial, aggregated 3–5 in one group, globose, orange to brown. Conidiomatal wall comprising thick-walled, orange cells of textura angularis. Conidiophores elongate, branched, hyaline, few conidiogenous cells arising from one conidiophore, attached to conidiomatal wall. Conidiogenous cells cylindrical, hyaline, ampulliform, septate, ends pointed, phialidic. Conidia ovoid to ellipsoid, unicellular, hyaline, smooth-walled. 

Notes – Vasilyeva (1987) introduced this family to accommodate an assortment of diversified taxa. Vasilyeva (2001) and Kruys & Castlebury (2012) introduced several genera to this family. Senanayake et al. (2017b) revised this family and introduced several genera and species following a phylogenetic analysis. Voglmayr & Mehrabi (2018) accommodated Caudospora in this family introducing C. iranica as new species. Currently this family comprises 16 genera.

 

Type genus: Sydowiella Petr.

Other accepted species: Species Fungorum – search Sydowiellaceae.

 

References

Kruys Å, Castlebury LA. 2012 – Molecular phylogeny of Sydowiellaceae–resolving the position of Cainiella. Mycologia 104, 419–426.

Vasilyeva LN. 1987 – Pirenomitsety i Lokuloaskomitsety severa Dalbnego. Vostoka 1–255.

Vasilyeva LN. 2001 – Pyrenomycetes of the Russian Far East–Additions and corrections. 1. Rossmania ukurunduensis gen. et sp. nov. Mycoscience 42, 399–401.

Voglmayr H, Mehrabi M. 2018 – Molecular phylogeny and a new Iranian species of Caudospora (Sydowiellaceae, Diaporthales). Sydowia 70, 67–80.

 

Entry by

Kevin David Hyde, Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou 510225, P.R. China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand, Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, P.R. China, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand, World Agroforestry Centre, East and Central Asia, Kunming 650201, Yunnan, P.R. China

 

Published online 11 March 2026

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