Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Saccardoëlla |
allequashensis |
Fallah & Shearer Mycologia 93(3): 572. 2001. |
| Class |
Order |
Family |
| Sordariomycetes |
|
|
|
| Synonymy: |
|
Description
|
| Habit: |
Superficial with partially immersed base on submerged wood. |
|
| Ascomata: |
Ascomata 432–485 x 160–272 µm, scattered or aggregated, superficial with partially immersed base, upright to slightly tilted, hyaline, pyriform. |
|
| Peridium: |
Peridium 50–60 µm thick, composed of several layers of compressed hyaline cells; inner cells of textura angularis, 4–6 x 1–2 µm; outer cells of textura globosa, 3–4 x 2–3 µm. |
|
| Beak: |
Beak 240–272 x 120–200 µm, cylindrical, central, periphysate, with outer layer of globose cells. |
|
| Hamathecium: |
Paraphyses 2–3.5 µm wide, slightly broader at the base, extending beyond the asci, at times constricted at septa. |
|
| Ascus: |
Asci 129–184 x 7.5–12 µm, cylindrical, MLZ–, cotton blue negative, with a small apical apparatus, with 8 uniseriate ascospores. |
|
| Ascospore: |
Ascospores 16-28 x 6-8 µm, broadly fusiform, hyaline, 5-septate, not constricted at septa, with an inconspicuous sheath. |
|
| Sheath: |
Thin gelatinous sheath present. |
|
| Appendage: |
None observed. |
|
| Culture: |
|
| Anamorph: |
|
|
Other info
|
| Type & Location: |
USA. WISCONSIN: Vilas Co., Allequash Lake, UTM Zone 16, 296454mE, 5101163mN, 46°2.032ÕN, 89°37.825ÕW, on submerged partially decomposed wood, 16 May 1995, PMF & JLC P4-11 (ILLS 54024). |
| Other Specimens: |
|
| Substratum: |
On submerged, decorticated wood. |
| Habitat: |
Lentic. |
| Distribution: |
USA (WI) |
| Pertinent Literature: |
Fallah & Shearer 2001. |
| Comments: |
See ”Additional“ for figures. |
Additional Pictures
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