Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Cataractispora |
aquatica |
K. D. Hyde, S.W. Wong & E.B.G. Jones |
| Class |
Order |
Family |
| Sordariomycetes |
Inc. sed. |
Annulatascaceae |
|
| Synonymy: |
|
Description
|
| Habit: |
Saprobic, ascomata immersed or superficial on submerged wood. |
|
| Ascomata: |
Ascomata 240-370 µm diam., globose to subglobose, immersed or superficial, coriaceous, dark brown or black, beaked, solitary. |
|
| Peridium: |
Peridium comprising an outer layer of brown walled compressed cells and an inner layer of hyaline compressed cells. |
|
| Beak: |
Beak present, no description |
|
| Hamathecium: |
Paraphyses up to 3.3 µm wide, hypha-like, septate, and tapering distally. |
|
| Ascus: |
Asci 344-366 x 11-12 µm (x = 359 x 12 µm, n=25), 8-spored, long-cylindrical, thin-walled, pedicellate, with a J-, refractive apical ring, 5 µm long, 6 µm wide. |
|
| Ascospore: |
Ascospores 36-65 x 8-14 µm (x = 46 x 10 µm, n = 50), uniseriate or overlapping uniseriate, fusiform, thick-walled, hyaline, young ascospores 0 to 3-septate, mature ascospores 5-septate, with polar chambers. Polar chambers 3-6 µm long, conical, with an apical pore. In water, appendages extend through the opening of the chamber and subsequently expand to form long threads. |
|
| Sheath: |
None reported. |
|
| Appendage: |
None reported. |
|
| Culture: |
|
| Anamorph: |
Unknown. |
|
Other info
|
| Type & Location: |
Brunei, Temburong, Kuala Belalong Field Studies Center, Sungai Esu, on submerged wood, Feb. 1994, K.D. Hyde & S.W. Wong (HKU(M) 3123). |
| Other Specimens: |
|
| Substratum: |
Submerged wood |
| Habitat: |
Lotic (rivers and streams) |
| Distribution: |
Australia, Brunei, Seychelles. |
| Pertinent Literature: |
Mycological Research 103 (8): 1019-1031 |
| Comments: |
See World Records Database for additional information. |
Additional Pictures
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