The GB checklist of fungi - species data

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Microthyrium macrosporum (Sacc.) H鰄n., Ber. bayer. bot. Ges. 36: 110 (1919)

Microthyrium microscopicum f. macrosporum Sacc., Syll. fung. 2: 663 (1883)
Microthyrium microscopicum var. macrosporum (Sacc.) J.P. Ellis, Trans. Br. mycol. Soc. 67(3): 383 (1977) [1976]

Description: Hyphae superficial, pale yellow to sub-hyaline, 1򉣹 祄 wide. Ascoma thyriothecioid, amphigenous, orbicular, up to 200 祄 diam.; scutellum composed of radiating rows of pale brown quadrilateral cells 34 68 祄; those surrounding the ostiole somewhat darker, those at the margin elongated to form a fringe; ostiole 1015 祄 diam. Asci numerous, clavate to cylindrical, 3244 69 祄, 4-spored. Ascospores hyaline, 1-septate, narrowly obovoid to broadly ellipsoid, the upper cell biguttulate and larger that the lower cell, 1316 3򉣺5 祄, with four apical or subapical appendages and four median appendages arising at the septum
Anamorph unknown.

The genus Microthyrium, Paul Kirk

Microthyriaceae, Microthyriales, Incertae sedis, Dothideomycetes, Ascomycota

FRDBI summary data (53 records)

Distribution Map from NBN Gateway

Distribution Map from GBIF Portal

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