 Phylum：Ascomycota >> Class： Ascomycetes >> Order： Diatrypales |
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 BCRC Number： |
NO BCRC Number! | |||
| Scientific Name： |
Munkovalsaria donacina | |||
| Author： |
Munkovalsaria donacina (Niessl) Aptroot, Nova Hedwigia 60: 346. 1995. Basionym: Microthelia donacina Niessl, Coimbra 28:31. 1881. |
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| Description： |
Ascomata subglobose, 350-487 μm wide, 429-527 μm high including the neck, immersed, sometimes confluent, occasionally with loosely interwoven hyphaeor prosenchymatous stroma between closely adjacent ascoma, scattered or aggregated in obscurely valsoid configulation; neck stout, blackened and thick-walled, erect or slightly oblique and inconspicuously convergent in aggregated ascomata, 107-175 μm wide, 156-190 μm long. Stromata present between convergent neaks. Other stroma , if present, limited to the vicinity of epidermal tissue, extensive or around the ostiole. Peridium 15-30 μm wide, composed of 6-9-layers of pseudoparenchymatous cells, compressed and paler towards the inside, polygonal and dark brown outside; the surface is covered by a layer of textura intricata which may extend into host tissue with sparse hyphae. Asci bitunicate, elliptic-clavate, basal and peripheral, tapering below into a long stipe, the spore-bearing part 39-53 × 10-12 μm, the stipe 43-78 μm long. Pseudoparaphyses trabeculate, numerous, septate, branched, up to 2.5 μm wide. Ascospores 14-18 × 5-7 μm, elliptical, thick-walled, reddish brown, smooth, 1-septate near in the middle, constricted at septum, the upper cell wider and pointed, and the lower cell longer and rounded. | |||
| Specimens： |
Taiwan, Taichung County, 24 Sep. 1994, NCHUPP-2441. |
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| Habitat： |
On indet. wood. | |||
| Distribution： |
China, South America, India, Philippines and Taiwan. |
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| References： |
Aptroot, A. 1995a; Chen, CY and Hsieh, WH. 1996. |
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| Provided： |
W. H. Hsieh |
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| Note： |
null | |||