Freshwater Ascomycetes - Species Monograph
Click on the pictures below to view them at their full size.
| Genus |
Species |
Author |
| Cataractispora |
viscosa |
K. D. Hyde, S.W. Wong & E. B. G. White |
| Class |
Order |
Family |
| Sordariomycetes |
Inc. sed. |
Annulatascaceae |
|
| Synonymy: |
|
Description
|
| Habit: |
Saprobic, ascomata immersed in submerged wood. |
|
| Ascomata: |
Ascomata 160-260 µm diam., globose to subglobose, immersed, black, coriaceous, papillate, ostiolate and beaked. |
|
| Peridium: |
Peridium ca 36.5 µm wide, composed of an outer layer of brown walled angular cells and an inner layer of hyaline angular cells. |
|
| Beak: |
Beaks present- no description given. |
|
| Hamathecium: |
Paraphyses ca 2 µm wide at base, hypha-like, septate and tapering distally. |
|
| Ascus: |
Asci 126-230 x 8-12 µm, 8-spored, long-cylindrical, pedicellate, with a J-, refractive apical ring, ca 5 µm, ca 6.5 µm wide. |
|
| Ascospore: |
Ascospores 25-34 x 6-8 µm, uniseriate or overlapping uniseriate, fusiform, hyaline, 5-septate, thick-walled, with verruculose wall ornamentations, slightly swollen at the ends, with an ephemeral, thin, thread-like polar appendage unfurling from a small pore at the ascospore tip, once the ascospore has been released from the ascus. |
|
| Sheath: |
None reported. |
|
| Appendage: |
Thin thread-like apical appendages. |
|
| Culture: |
|
| Anamorph: |
Unknown. |
|
Other info
|
| Type & Location: |
Hong Kong, New Territories, Tai Po Kau Country Park, on twigs submerged in a stream, Sep. 1993 S. W. Wong & K. D. Hyde (HKU(M) 3130). |
| Other Specimens: |
|
| Substratum: |
Submerged twigs |
| Habitat: |
Lotic (stream) |
| Distribution: |
Australia, Hong Kong, Mauritius. |
| Pertinent Literature: |
Mycological Research 103 (8): 1019-1031 |
| Comments: |
|
Additional Pictures
|
Back
|
|