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| Leohumicola atra | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Leotiomycetes |
| Genus: | Leohumicola |
| Species: | L. atra |
| Binomial name | |
| Leohumicola atra Nguyen & Seifert, 2008 | |
Leohumicola atra is a species of fungus. It is named after the dark-brown colour of its terminal conidia cells (atra is Latin for "dark"). It was found in Crater Lake National Park, Oregon, from heated soil. This species' conidia terminal cell becomes a darker brown compared to its cogenerate species, being nearly black.
Description
Its conidiogenous hyphae are hyaline, measuring approximately 1–2.5 μm wide, often found in fascicles in aerial mycelium. These are reduced to a single denticle that is 0.5–1.0 μm long and 1.0–2.0 μm wide. Conidia are two-celled, either solitary or distributed side by side in clusters. Its terminal cell is 4.5–5.5 by 4.0–5.5 μm, being globose to subglobose, transitioning to a dark brown colour; its conidial walls are slightly thick. Aleurioconidia are sometimes found as single-celled, with a terminal cell directly attached to the hypha, and with no basal cell. Chlamydospores are sparsely produced, being intercalary, single, and the same colour as the conidial terminal cell. The vegetative mycelium often carry swollen, monilioid hyphae that are 1.5 to 2 μm wide, septate, and show thickened walls.
References
- ^ Nguyen, H.D.T.; Seifert, K.A. (2008). "Description and DNA barcoding of three new species of Leohumicola from South Africa and the United States". Persoonia. 21 (1): 57–69. doi:10.3767/003158508X361334. ISSN 0031-5850. PMC 2846127. PMID 20396577.
Further reading
- Chen, Juan, et al. "Leohumicola, a genus new to China." Mycotaxon 108.1 (2009): 337–340.
- Shenoy, Belle Damodara. Multigene phylogeny of selected anamorphic ascomycetes. Diss. The University of Hong Kong (Pokfulam, Hong Kong), 2007.
| Opisthokont: True fungi classification, fungal orders | |||||||||
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| Rozellomyceta |
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| Aphelidiomyceta |
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| Eumycota | |||||||||
| See also: fungi imperfecti (polyphyletic group). | |||||||||
| Taxon identifiers | |
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| Leohumicola atra | |
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