Pleosporales » Melanommataceae » Pseudodidymella

Pseudodidymella fagi

Pseudodidymella fagi C.Z. Wei, Y. Harada & Katum., Mycologia 89(3): 496 (1997).

           Index Fungorum number: IF 437274; Facesoffungi number: FoF 11608, Fig. 1

Description: see Wei et al. (1997).

Material examined: see Wei et al. (1997).

Fig. 1 Pseudodidymella fagi and its asexual morph Pycnopleiospora fagi (re-drawn from Fig. 21 in Wei et al. 1997). a Section of an ascomata. b Ascus and ascospores. c Vertical section of conidia and conidiophores on stroma. d Conidiophores and conidiogenous cells on stroma. e Conidia. f Individual cells of conidia. g Young and mature chlamydospores. Scale bars: a, c–g = 20 μm, b = 10 μm.

Importance and distribution

Pseudodidymella comprises two species known on Fagus (Fagaceae) species from Asia (Japan) and Europe (Austria, Germany, Slovakia, Switzerland) causing mainly leaf blotch of Japanese beech, F. crenata (Ogris et al. 2019).

 

References

Hashimoto A, Matsumura M, Hirayama K, Fujimoto R, Tanaka K. 2017 – Pseudodidymellaceae fam. nov.: phylogenetic affiliations of mycopappus-like genera in Dothideomycetes. Studies in Mycology 87, 187–206.

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

Ogris N, Brglez A, Piškur B. 2019 – Pseudodidymella fagi in Slovenia: First Report and Expansion of Host Range. Forests 10, 718.

Wei CZ, Harada Y, Katumoto K. 1997 – Pseudodidymella fagi gen. et sp. nov. and its hyphomycete anamorph Pycnopleiospora fagi gen. et sp. nov. on Fagus crenata in Japan. Mycologia 89, 494–502.

 

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