Fungalpedia – Note 2105, Thyridariaceae

 

Thyridariaceae Q. Tian & K.D. Hyde

Citation when using this data: Hongsanan S et al. 2020 – Fungalpedia, Ascomycota.

Index Fungorum, Facesoffungi, MycoBank, GenBank.

Classification: Pleosporales, Pleosporomycetidae, Dothideomycetes, Pezizomycotina, Ascomycota, Fungi

Saprobic under periderm or immersed in woody plant substrates. Sexual morph: Ascomata perithecial, immersed or semi-immersed, gregarious, circular, globose, coriaceous, black, smoothwalled, with or without a subiculum. Peridium 2-layered, outer layer composed of irregular, thickwalled, brown to black cells of textura angularis, and inner layer composed of slightly, larger cells of textura angularis. Hamathecium comprising long, branched or simple, septate, cellular, encircling the asci and embedded in a gelatinous matrix. Asci 8-spored, bitunicate, fissitunicate, thick-walled, cylindrical to subclavate, with a pedicel, apically rounded with an ocular chamber. Ascospores overlapping 1–2-seriate, ellipsoid to fusiform, oblong, hyaline to pale brown or dark brown to blackish-brown, 2–3-septate, or multi-septate or muriform, constricted at the medium septum, septa darkened, straight or curved, ends rounded, smooth-walled, with or without a mucilaginous sheath. Asexual morph: Cyclothyrium.

Notes: Hyde et al. (2013) introduced Thyridariaceae to accommodate Thyridaria based on its unique morphology and clustering in a unique family in the Dothideomycetes. The placement of Thyridaria has been unclear with the genus referred to Didymosphaeriaceae, Lophiostomataceae, Melanommataceae, Platystomaceae, Pleosporaceae, and Sphaeriaceae (Wehmeyer 1941, 1975, Munk 1957, Luttrell 1973, Müller & von Arx 1973, Dennis 1978, Barr 1979a, b, 2003, Mugambi & Huhndorf 2009a, b). Schoch et al. (2009a) confirmed the placement of Thyridaria in the Pleosporales with strong support. Jaklitsch & Voglmayr (2016) introduced a new genus, Parathyridaria and provided an update multi-gene analyses that indicated Roussoellaceae should be a synonym of Thyridariaceae and accepted five genera in Thyridariaceae, Neoroussoella, Thyridaria, Roussoella, Roussoellopsis and Parathyridaria. However, Roussoellaceae is a wellresolved family in Pleosporales which is in agreement with the results of several studies (Liu et al. 2014, Ariyawansa et al. 2015a, Dai et al. 2017, Tibpromma et al. 2017, Hyde et al. 2018, Wanasinghe et al. 2018c, Wijayawardene et al. 2018, Jayasiri et al. 2019, Jiang et al. 2019, Phookamsak et al. 2019). Wanasinghe et al. (2018c) introduced three new genera, Cycasicola, Neoconiothyrium and Pararoussoella in Thyridariaceae. However, Neoconiothyrium and Pararoussoella have been transferred to Roussoellaceae based on good support in a phylogenetic study (Jayasiri et al. 2019, Phookamsak et al. 2019). Devadatha et al. (2018b) introduced a new marine genus Thyridariella with two species based on morphological differences and phylogenetic support. Phookamsak et al. (2019) established Liua. Mapook et al. (2020) subsequently introduced Chromolaenomyces and Pseudothyridariella in Thyridariaceae. Thus, there are seven genera accepted in Thyridariaceae, viz. Chromolaenomyces, Cycasicola, Liua, Parathyridaria, Pseudothyridariella, Thyridaria and Thyridariella with morphological data and phylogenetic analyses.

Type genus: Thyridaria Sacc..

 

References

Ariyawansa HA, Hyde KD, Jayasiri SC, Buyck B et al. 2015a – Fungal diversity notes 111–252—taxonomic and phylogenetic contributions to fungal taxa. Fungal Diversity 75, 27–274.

Barr ME. 1979a – A classification of Loculoascomycetes. Mycologia 71, 935–995.

Barr ME. 1979b – On the Massariaceae in North America. Mycotaxon 9, 17–37.

Barr ME. 2003 – The affinities of Thyridaria. Mycotaxon 88, 271–278.

Dai DQ, Phookamsak R, Wijayawardene NN, Li WJ et al. 2017 – Bambusicolous fungi. Fungal Diversity 82, 1–105.

Dennis RWG. 1978 – British ascomycetes, 3rd edn. J. Cramer, Vaduz.

Devadatha B, Sarma VV, Jeewon R, Wanasinghe DN et al. 2018b – Thyridariella, a novel marine fungal genus from India: morphological characterization and phylogeny inferred from multigene DNA sequence analyses. Mycological Progress 17, 791–804.

Hyde KD, Chaiwan N, Norphanphoun C et al. 2018 – Mycosphere notes 169–224. Mycosphere 9, 71–430.

Hyde KD, Jones EBG, Liu J-K, Ariyawansa H et al. 2013 – Families of Dothideomycetes. Fungal Diversity 63, 1–313.

Jaklitsch WM, Voglmayr H. 2016 – Hidden diversity in Thyridaria and a new circumscription of the Thyridariaceae. Studies in Mycology 85, 35–64.

Jayasiri SC, Hyde KD, Jones EBG, McKenzie EHC et al. 2019 – Diversity, morphology and molecular phylogeny of Dothideomycetes on decaying wild seed pods and fruits. Mycosphere 10, 1–186.

Jiang HB, Hyde KD, Jayawardena RS, Doilom M et al. 2019 – Taxonomic and phylogenetic characterizations reveal two new species and two new records of Roussoella (Roussoellaceae, Pleosporales) from Yunnan, China. Mycological Progress 18, 577–591.

Liu JK, Phookamsak R, Dai DQ, Tanaka K et al. 2014 – Roussoellaceae, a new pleosporalean family to accommodate the genera Neoroussoella gen. nov., Roussoella and Roussoellopsis. Phytotaxa 181, 1–33.

Luttrell ES. 1973 – Loculoascomycetes. In: Ainsworth GC, Sparrow FK, Sussman AS (eds), The fungi. An advanced treatise, a taxonomic review with keys: ascomycetes and fungi imperfecti. Academic Press, New York, pp 135–219.

Mapook A, Hyde KD, McKenzie EHC, Gareth Jones EBG et al. 2020 – Taxonomic and phylogenetic contributions to fungi associated with the invasive weed Chromolaena odorata (Siam weed). Fungal Diversity 101, 1–175.

Mugambi GK, Huhndorf SM. 2009a – Molecular phylogenetics of Pleosporales: Melanommataceae and Lophiostomataceae recircumscribed (Plesporomycetidae, Dothideomycetes, Ascomycota). Studies in Mycology 64, 103–121.

Mugambi GK, Huhndorf SM. 2009b – Parallel evolution of hysterothecial ascomata in ascolocularous fungi (Ascomycota, Fungi). Systematics and Biodiversity 7, 453–464.

Müller E, von Arx JA. 1973 – Pyrenomycetes: Meliolales, Coronophorales, Sphaeriales. New exotic fungi. Grevillea 17, 42–43.

Munk A. 1957 – Danish pyrenomycetes: A preliminary flora. Dansk Botanisk Arkiv 17, 1–491.

Phookamsak R, Hyde KD, Jeewon R, Bhat DJ et al. 2019 – Fungal diversity notes 929–1035: taxonomic and phylogenetic contributions on genera and species of fungi. Fungal Diversity 95, 1–273.

Schoch CL, Crous PW, Groenewald JZ, Boehm EWA et al. 2009a – A class-wide phylogenetic assessment of Dothideomycetes. Studies in Mycology 64, 1–15.

Tibpromma S, Hyde KD, Jeewon R, Maharachchikumbura SSN et al. 2017 – Fungal diversity notes 491–602: taxonomic and phylogenetic contributions to fungal taxa. Fungal Diversity 83, 1–261.

Wanasinghe DN, Phukhamsakda C, Hyde KD, Jeewon R et al. 2018c – Fungal diversity notes 709–839: taxonomic and phylogenetic contributions to fungal taxa with an emphasis on fungi on Rosaceae. Fungal Diversity 89, 1–236.

Wehmeyer LE. 1941 – A revision of Melanconis, Pseudovalsa, Prosthecium, and Titania. University of Michigan Studies, Scientific Series 14, 1–161.

Wehmeyer LE. 1975 – The pyrenomycetous fungi. Mycologia Memoir No. 6. The New York Botanical Garden. J. Cramer Publishing, Germany.

Wijayawardene NN, Hyde KD, Lumbsch HT, Liu JK et al. 2018 – Outline of Ascomycota: 2017. Fungal Diversity 88, 167–263.

 

Entry by

Sinang Hongsanan, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Science and Oceanography, Shenzhen University, Shenzhen 518060, People’s Republic of China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50002, Thailand 

 

Published online 25 March 2026

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