Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Aniptodera |
margarition |
C.A. Shearer |
| Class |
Order |
Family |
| Sordariomycetes |
Halosphaeriales |
Halosphaeriaceae |
MycoBank ID:
136209
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| Synonymy: |
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Description
|
| Habit: |
Superficial to partly immersed on wood; clustered or scattered. |
|
| Ascomata: |
Ascomata superficial to partly immersed, globose, ostiolate, hyaline, glistening, 99-218 (x=162) µm diam. |
|
| Peridium: |
Peridium thin, soft, transparent, composed of 3 to 4 cell layers, 2.4-9.6 µm thick, tissue of textura angularis merging with thin-walled pseudoparenchymatous cells of centrum. |
|
| Beak: |
Beaks short, cylindrical to slightly conical, comprised of parallel hyphae, periphysate, 16.8-40.5 µm long, 16.8-28.8 µm wide at base. |
|
| Hamathecium: |
Chains of large, globose, thin-walled cells (catenophyses). |
|
| Ascus: |
Asci fasciculate at base of ascoma, obovoid to pyriform, lacking an appical apparatus and apical pore, unitunicate, 48-70 (x=58) x 19-35 (x=23.5) µm, thin-walled, deliquescent or persistent, containing eight ascospores. |
|
| Ascospore: |
Ascospores 2-celled, hyaline, with a slightly pale rose hue in transmitted light, broadly elliptical, 15-22 (x=19) x 8.8-13.2 (x=10) µm, wall 1.5-3 µm thick. |
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| Sheath: |
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| Appendage: |
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| Culture: |
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| Anamorph: |
None observed. |
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Other info
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| Type & Location: |
HOLOTYPE: USA. Illinois: Champaign County, Sangamon River at Hart Woods, a dried specimen, on a submerged twig, September 11, 1987, CA Shearer, , J-56-10, NY. Isotypes: Slides made from the holotype, NY. |
| Other Specimens: |
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| Substratum: |
Wood |
| Habitat: |
Lotic, Lentic |
| Distribution: |
USA (IL, WI), Great Britain |
| Pertinent Literature: |
Shearer, C.A. 1989. Aniptodera (Halosphaeriaceae) from wood in freshwater habitats. Mycologia 81:139-146. |
| Comments: |
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Additional Pictures
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ascomata1
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ascus2-ascus apex
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