Fungalpedia – Note 908, Hysterium

 

Hysterium. Pers.

Citation when using this data Manawasinghe IS et al. 2022 (in prep.) – Fungalpedia, Ascomycota.

Index Fungorum, Facesoffungi, MycoBank, GenBank., Fig 1

Classification: Hysteriaceae, Hysteriales, Pleosporomycetidae, Dothideomycetes, Pezizomycotina, Ascomycota, Fungi

Hysterium was introduced by Persoon (1797), with Hysterium pulicare as the type species. There are 224 records listed in Species Fungorum (2021), while only 16 species have molecular data (Hongsanan et al. 2020b). This genus is characterised by three or more transversely septate, pigmented, versicolorous or concolorous asymmetric phragmospores, borne in hysterothecia (Boehm et al. 2009).

Type species: Hysterium pulicare Pers., Neues Mag. Bot. 1: 85 (1794).

Other accepted species: Species Fungorum – search Hysterium.

 

 

image

 

Figure 1 – Hysterium angustatum (HKAS 121128, new host record). a, b Appearance of hysterothecia on dead stems of Debregeasia sp. c Section through hysterothecium. d Peridium. e Hamathecium. f-j Asci. k-o Ascospores. p. Germinating ascospore. q, r Culture characters on PDA (q: Above view; r: Reverse view). Scale bars: c = 100 μm, d, f-j = 50 μm, e, k-o = 10 μm, p = 30 μm.

 

References

Boehm EW, Mugambi GK, Miller AN, Huhndorf SM et al. 2009 – A molecular phylogenetic reappraisal of the Hysteriaceae, Mytilinidiaceae and Gloniaceae (Pleosporomycetidae, Dothideomycetes) with keys to world species. Studies in Mycology 64, 49–83.

Hongsanan S, Hyde KD, Phookamsak R, Wanasinghe DN et al. 2020b – Refined families of Dothideomycetes: Dothideomycetidae and Pleosporomycetidae. Mycosphere 11, 1553–2107.

Index Fungorum. 2021 – http://www.indexfungorum.org/Names/Names.asp (Accessed on October 30, 2021).

Persoon CH. 1797 – Tentamen dispositionis methodicae fungorum in classes, ordines genera et familias. Lipsiae.

 

Entry by

Ishara Sandeepani Manawasinghe, Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, PR of China

Published online 25 April 2022

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