Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Lepidopterella |
palustris |
C.A. Shearer & J.L. Crane |
| Class |
Order |
Family |
| Dothideomycetes |
Inc. sed. |
Inc. sed. |
Genbank ID:
741139
MycoBank ID:
112730
|
| Synonymy: |
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Description
|
| Habit: |
Saprobic, ascomata solitary, superficial to immersed on submerged wood. |
|
| Ascomata: |
Ascomata solitary, superficial to immersed, globose to subglobose, black, non-ostiolate, 250-480 µm diam. |
|
| Peridium: |
Peridium pseudoparenchymatic, several layered, brown in transmitted light. |
|
| Beak: |
Absent. |
|
| Hamathecium: |
Hamathecium of cellular, branched pseudoparaphyses. |
|
| Ascus: |
Asci developing and maturing outward from the base of the perithecium, fissitunicate, globose to subglobose, stalked, thick-walled, lacking a subapical chamber. 8-spored, 65-100 (x=82) x 26-43 (x=37.5). Ectoascus rigid, rupturing by an apical slit. |
|
| Ascospore: |
Ascospores papilionaceous, 2-celled, brown, smooth-walled, 15.6-22.8 (x=18.8) µm long at septum, 25-30 (x=28) µm maximum width. |
|
| Sheath: |
None. |
|
| Appendage: |
|
|
| Culture: |
Colonies on EmersonÕs yeast extract, soluble starch agar black, effuse, appressed to floccose. Mycelium composed of branched, septate, dark brown, appressed hyphae and hyaline, thin-walled, branched septate, floccose hyphae. |
| Anamorph: |
None reported. |
|
Other info
|
| Type & Location: |
HOLOTYPE. USA. ILLINOIS: Johnson County, Elvira Cypress Swamp, a dried culture on alfalfa isolated from an unidentified submerged twig, 3 Aug 1977, C.A. Shearer & J.L. Crane, ILLS 38990; Isotype: NY. |
| Other Specimens: |
ILLS 38991.
USA. FLORIDA: Apalachicola National Forest, Owls Creek Backwater Swamp, 30°03'31"N, 85°01'11"W, water temperature 30 C, pH 7.8, on submerged, decorticated woody debris, 12 July 2004, HAR and CB F32-1. (ILL); Fisher Creek, Leon County, 30°18'51"N, 84°23'57"W, water temperature 25 C, pH 5, on submerged, corticated woody debris, 9 July 2006, HAR and JLC F32-2. |
| Substratum: |
Wood. |
| Habitat: |
Lentic (swamp) and Lotic |
| Distribution: |
USA (FL, IL) |
| Pertinent Literature: |
Shearer, C.A. and J.L. Crane. 1977. Taxonomy of two cleistothecial ascomycetes with papilionaceous ascospores. Transactions of the British Mycological Society 75: 193-200.
Raja 2007. |
| Comments: |
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Additional Pictures
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Asci.
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Ascospores.
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Ascus.
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Asci.
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Fissitunicate asci.
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Fissitunicate asci.
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