Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Cataractispora |
bipolaris |
K. D. Hyde |
| Class |
Order |
Family |
| Sordariomycetes |
Inc. sed. |
Annulatascaceae |
|
| Synonymy: |
|
Description
|
| Habit: |
Ascomata immersed, semi-immersed or superficial on submerged wood. |
|
| Ascomata: |
Ascomata 155-235 µm diam., globose or semi-globose, immersed, semi-immersed or superficial, black, coriaceous, ostiolate, beaked, mostly solitary. |
|
| Peridium: |
Peridium composed of elongate melanised angular cells, lighter and more elongate toward the center. |
|
| Beak: |
Beaks long, lateral and curving upwards, black, with periphyses. |
|
| Hamathecium: |
Paraphyses up to 4 µm wide, septate, tapering, numerous, longer than asci and occuring between asci and extending into the lower neck. |
|
| Ascus: |
Asci 174-205 x 9-10.5 µm, 8-spored, thin-walled, long-cylindrical, pendunculate, with a large elongate non amyloid apical apparatus (4 µm long x 6 µm wide), developing from the base of the ascoma. |
|
| Ascospore: |
Ascospores 21-30 x 6.5-8.5 µm, unicellular, hyaline, uniseriate, fusiform, with polar appendages. |
|
| Sheath: |
None |
|
| Appendage: |
Appendages at first pad-like, mucilaginous (2.5-3.5 µm long) eventually spreading to form drawn out strands. |
|
| Culture: |
|
| Anamorph: |
Unknown. |
|
Other info
|
| Type & Location: |
Australia, north Queensland, Clohesy River, on submerged wood in a river, November 1990, K. D. Hyde, BRIP 17374. |
| Other Specimens: |
|
| Substratum: |
submerged wood |
| Habitat: |
lotic (river) |
| Distribution: |
Australia |
| Pertinent Literature: |
Australian Systematic Botany 5: 109-116 |
| Comments: |
See World Records for additional reports |
Additional Pictures
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