Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Aquadulciospora |
rhomboidia |
Fallah & Shearer |
| Class |
Order |
Family |
| Sordariomycetes |
Inc. sed. |
Inc. sed. |
|
| Synonymy: |
|
Description
|
| Habit: |
On submerged Scirpus validus and Scirpus brevidcaudatus; lentic. |
|
| Ascomata: |
Ascomata 187–234 x 156–199 µm, scattered, or in groups, immersed, globose, papillate, dark brown. |
|
| Peridium: |
Peridium 8–12 µm wide, composed of 3 or 4 layers of pseudoparenchymatic cells; cells 6–11 x 2–4 µm, of textura angularis, darker externally. |
|
| Beak: |
Papillae 50–78 x 30–43 µm, centric, brown, periphysate, at times wide at the apex. |
|
| Hamathecium: |
Paraphyses 35–40 x 3–4 µm, wide at the base, tapering toward the apex, usually constricted at the septa, immersed in gel. |
|
| Ascus: |
Asci (65-) 70–85 x 13–16 µm, clavate, persistent, fasciculate, with a small refractive apical apparatus, MLZ-, staining faintly with aqueous cotton blue, with 8 overlapping uniseriate or biseriate ascospores. |
|
| Ascospore: |
Ascospores 12–16 x 5–7 µm, ellipsoid-rhomboid to fusoid, multiguttulate, hyaline, smooth, without a sheath or appendages. |
|
| Sheath: |
Absent. |
|
| Appendage: |
Absent. |
|
| Culture: |
|
| Anamorph: |
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Other info
|
| Type & Location: |
HOLOTYPE: USA. WISCONSIN: Vilas Co., Sparkling Lake, UTM Zone 16, 291184mE, 5099214mN, on submerged decomposed stems of Scirpus validus, 8 Aug. 1994, PMF P2-5 (ILLS 53999). |
| Other Specimens: |
Vilas Co., UTM Zone 16, 291184mE, 5099214mN, on submerged decomposed stems of Scirpus validus, 16 May 1995, PMF P2-12 (ILLS 54001); 27 June 1995, PMF P2-31 (ILLS 54002); 26 July 1995, PMF P2-38 (ILLS 54002); 28 Oct 1995, PMF P2-50 (ILLS 54007); 25 Oct. 1996, PMF & JLC P2-80 (ILLS 54003); 1 May 1997, PMF & JLC P2-92; 24 May 1997, PMF & JLC P2-96; Big Muskellunge Lake, UTM Zone 16, 297663mE, 5097935mN, 46°00.306ÕN, 89°36.801ÕW, on submerged partially decomposed stems of S. brevicaudatus, 25 Oct. 1996, PMF P3-13 (ILLS 54004); 26 July 1995, PMF P3-24 (ILLS 54000); 26 July 1995, PMF P3-28; 23 Aug. 1996, PMF & JLC P3-44 (ILLS 54006); 25 Oct. 1996, PMF & JLC P3-52; 1 May 1997, PMF & JLC P3-56. |
| Substratum: |
Submerged herbaceous stems of Scirpus. |
| Habitat: |
Lentic. |
| Distribution: |
U.S.A. (Wisconsin) |
| Pertinent Literature: |
Fallah & Shearer 2001. |
| Comments: |
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Additional Pictures
|
Aquadulciospora rhomboidea.
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