Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Annulatascus |
bipolaris |
K.D. Hyde |
| Class |
Order |
Family |
| Sordariomycetes |
Inc. sed. |
Inc. sed. |
|
| Synonymy: |
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Description
|
| Habit: |
Ascomata mostly solitary, immersed, partly immersed or superficial on submerged wood. |
|
| Ascomata: |
Ascomata globose or semi-globose, immersed, semi-immersed or superficial, black, coriceous, ostiolate, beaked, mostly solitary. |
|
| Peridium: |
Peridium composed of elongate brown angular cells; peridial cells lighter and more elongate towards the center. |
|
| Beak: |
Beaks long, lateral, and curving upwards, black with periphyses. |
|
| Hamathecium: |
Hamathecium of septate paraphyses, tapering, numerous, longer than asci and occuring between asci and extending into the lower neck, up to 4 µm wide. |
|
| Ascus: |
8-spored, thin-walled, long-cylindrical, pedunculate, with a large elongate non amyloid apical apparatus (4 µm long x 6 µm wide), developing from the base of the ascoma, 174-205 x 9-10.5 µm |
|
| Ascospore: |
unicellular, hyaline, uniseriate, fusiform, with polar appendages, 21-30 x 6.5-8.5 µm |
|
| Sheath: |
Appendages at first pad-like, mucilaaginous (2.5-3.5 µm long), eventually spreading to form drawn out strands. |
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| Appendage: |
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| Culture: |
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| Anamorph: |
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Other info
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| Type & Location: |
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| Other Specimens: |
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| Substratum: |
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| Habitat: |
On submerged wood in a river. |
| Distribution: |
Australia |
| Pertinent Literature: |
Hyde, K.D. 1992. Tropical Australian Freshwater Fungi. II. Annulatascus bipolaris. Australian Journal of Systematic Botany 5:117-124. |
| Comments: |
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Additional Pictures
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