Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Cercophora |
sulphurella |
(Sacc.) R. Hilber, Z. mykol. 45: 223. 1979. |
| Class |
Order |
Family |
| Sordariomycetes |
Sordariales |
|
|
| Synonymy: |
≡ Lasiosphaeria sulphurella Sacc., Michelia 1: 140. 1878. |
Description
|
| Habit: |
Saprobic on submerged, decomposed wood. |
|
| Ascomata: |
Ascomata 624–640 x 344–360 µm, superficial with partially immersed base, pyriform, dark-brown, covered with a yellow tomentum, grouped or scattered |
|
| Peridium: |
Peridium 31–43 µm thick, composed of 4 to 6 layers of pseudoparenchymatic cells, opaque, membranous and subhyaline at the base when the base is immersed, darker near the beak; cells 6–14 x 2–6 µm, of textura angularis in surface view and median longitudinal section |
|
| Beak: |
Beak 190–216 x 96–136 µm, cylindrical, curved at the apex, ostiolate, periphysate, dark-brown, composed of elongated outer cells and rounded inner cells toward the base. |
|
| Hamathecium: |
Paraphyses up to 390 µm long and 3-5 µm wide, wider at the base, tapering toward the apex. |
|
| Ascus: |
Asci 165.5–195 (-230) x 15.5–23.5 (-26) µm, cylindric-clavate, unitunicate with a large refractive apical apparatus, MLZ-, IKI-, tapering to a long stipe, containing eight obliquely uniseriate to biseriate ascospores |
|
| Ascospore: |
Ascospores when young 85.5–94 x 4–6.5 µm, hyaline, sigmoid or geniculate, provided with bipolar appendages, when mature (87-) 92–101 x 6–9.5 µm, reddish brown, guttulate, with appendages. |
|
| Sheath: |
None observed. |
|
| Appendage: |
Appendages bipolar, gelatinous. |
|
| Culture: |
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| Anamorph: |
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Other info
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| Type & Location: |
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| Other Specimens: |
SPECIMEN EXAMINED: USA. WISCONSIN: Vilas Co., Sparkling Lake, UTM Zone 16, 291184mE, 5099214mN, on submerged decomposed wood, 26 July 1995, PMF P2-43 (ILLS 54008). |
| Substratum: |
Wood. |
| Habitat: |
Terrestrial and aquatic. |
| Distribution: |
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| Pertinent Literature: |
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| Comments: |
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Additional Pictures
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