Valsariales » Valsariaceae » Myrmaecium

Myrmaecium rubricosum

Myrmaecium rubricosum (Fr.) Fuckel, Jb. nassau. Ver. Naturk. 23–24: 227 (1870) [1869–70].

            ≡ Sphaeria rubricosa Fr., Elench. fung. (Greifswald) 2: 63 (1828).

Index Fungorum number: IF 140021; Facesoffungi number: FoF 00613, Fig. 1

Description: see Jaklitsch et al. (2015).

Material considered: see Jaklitsch et al. (2015).

Fig. 1 Myrmaecium rubricosum (PC0167074! isolectotype, re-drawn from Fig. 14–16 in Jaklitsch et al. 2015). a Ectostromata in face view. b Vertical section of a pe rithecium. c, d Asci. e Peridium. f Apical ascal ring. g Prosenchymatous stroma tissue. h Ascospores. i Paraphyses. j Colony in cultures. k Phialides. l, m Conidia. Scale bar: a = 200 μm, b = 500 μm, c, e, f, g, i = 20 μm, d, h = 10 μm, k, l = 10 μm, m = 2 μm.

Importance and distribution

There are 21 Myrmaecium epithets in Index Fungorum (2022), but several species have been transferred to Fuckelia, Massariovalsa, Myrmaeciella and Valsaria. Myrmaecium comprises seven species known on Canna indica (Cannaceae), Castanea mollissima (Fagaceae), Cornus sp. (Cornaceae), Fagus sp. (Fagaceae), Fraxinus viridis (Oleaceae), Phyllostachys bambusoides (Poaceae), Pleioblastus simoni (Poaceae or Gramineae) and Quercus cerris (Fagaceae). Myrmaecium is reported from Asia (China, Japan), Europe (Austria, Croatia, Italy) and The United States (Illinois, Washington, West Indies).

 

References

Jaklitsch WM, Fournier J, Dai DQ, Hyde KD, Voglmayr H. 2015 – Valsaria and the Valsariales. Fungal Diversity 73, 159–202.

Ju YM, Rogers JD, Huhndorf SM. 1996 – Valsaria and notes on Endoxylina, Pseudothyridaria, Pseudovalsaria, and Roussoella. Mycotaxon 58, 419–481.

 

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