Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Aliquandostipite |
khaoyaiensis |
Inderbitzin |
| Class |
Order |
Family |
| Dothideomycetes |
Jahnulales |
Aliquandostipitaceae |
Genbank ID:
112102
MycoBank ID:
483979
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| Synonymy: |
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Description
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| Habit: |
Superficial on softened, well -decayed wood, subtended by or pendant from broad, brown, septate hyphae. |
|
| Ascomata: |
Ascomata globose to oval, tapering towards the peduncle (mean = 319 X 232 µm, n = 10, ascomal stalk 41-–50 µm wide. |
|
| Peridium: |
Peridial wall made of large, 6–10 µm, thin-walled hyaline cells 13–19 µm wide. |
|
| Beak: |
Papillate, ca. 50 µm high and 110 µm wide. |
|
| Hamathecium: |
Of cellular pseudoparaphyses. |
|
| Ascus: |
Asci (mean = 179 X 44 µm, n = 20), clavate, with a small stalk. |
|
| Ascospore: |
Ascospores 2–3 seriate, oval in outline, multiguttulate, one-septate, slightly constricted at the septum, pale brown, upper cell broader than the lower cell (mean = 77 5 17 µm, n = 20), surrounded by a balloon shaped sheath. |
|
| Sheath: |
Gelatinous, balloon shaped. |
|
| Appendage: |
Not present. |
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| Culture: |
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| Anamorph: |
None observed. |
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Other info
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| Type & Location: |
KY3.4, (UBC F13875), on decaying branch, Khao Yai National Park, Thailand, July 1998, leg. A.M. Abdel-Wahab. |
| Other Specimens: |
COSTA RICA. Sura 60, La Selva Biological Station, 10°25'48N, 84°1'32W, water temperature 25 C, pH 5, on submerged decorticated wood, 18 May 2000, Jennifer L. Anderson & Rebecca Wulffen, A441-1; Panteno, 10°25'8N, 84°0'22W, water temperature 25 C, pH 5.5, on submerged decorticated wood, 19 May 2000, Jennifer L. Anderson & Rebecca Wulffen, A441-2. |
| Substratum: |
Submerged or water-soaked wood. |
| Habitat: |
Lotic and rainforest habitats. |
| Distribution: |
Thailand and Costa Rica, USA (FL) |
| Pertinent Literature: |
Inderbitzin, P. S. Landvik, M.A. Abdel-Wahab and M.L. Berbee. 2001. Aliquandostipitaceae, a new family for two new tropical ascomycetes with unusually wide hyphae and dimorphic ascomata. American Journal of Botany 88: 52–61.
Raja, H.S., A. Ferrer, and C.A. Shearer. 2005. Aliquandostipite crystallinus, a new ascomycete species from submerged wood in freshwater habitats. Mycotaxon 91: 207-215. |
| Comments: |
See Inderbitzen et al. 2001 for detailed measurements of the dimorphic forms of this species. |
Additional Pictures
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Peridial wall.
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Stalked ascoma.
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Ascospore sheath.
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Sheath of ascospore released from base of ascus.
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Centrum.
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