Английская Википедия:Bouvetiella
Шаблон:Short description Шаблон:Speciesbox
Bouvetiella is a monotypic genus of lichenized fungus in the class Lecanoromycetes. It contains only the species Bouvetiella pallida.
Taxonomy
Bouvetiella pallida was first described by Dag Olav Øvstedal, a Norwegian lichenologist, in 1986. At that time, no molecular sequencing had been done on genetic material from the species.Шаблон:Sfn As of May 2023, that was still the case, so the genus Bouvetiella has not been assigned to a family or order, though it is known to fall into the class Lecanoromycetes.Шаблон:Sfn Bouvetiella pallida is distinctly different from any other known lichen. Because of this, Øvstedal established the genus Bouvetiella to contain it.Шаблон:Sfn Bouvetiella pallida is the only species in the genus.Шаблон:Sfn
Description
Bouvetiella pallida is a brownish-black crustose lichen which grows up to Шаблон:Convert in diameter. Its thallus, the lichen's vegetative body, is rubbery (Шаблон:Lichengloss) with small, granular scales known as Шаблон:Lichengloss. Its tiny, pale apothecia, the lichen's fruiting bodies, measure a mere Шаблон:Convert in diameter and can range in colour from light pink to whitish. These can be flat, or slightly convex.Шаблон:Sfn The asci each contain eight lemon-shaped ascospores. Thin-walled, transparent and colourless, these ascospores measure 14–16 x 5–6 μm and contain numerous oil droplets.Шаблон:Sfn
Habitat and range
Bouvetiella pallida was initially known only from Bouvet Island – a volcanic, subantarctic island in the southern Atlantic Ocean. There, it occurs Шаблон:Convert above sea level, typically growing on low-growing communities of mosses. Those it most often overgrows belong to the genera Bryum and Tortula. It has also been found on soil (silt or scoria) near a fumerole.Шаблон:Sfn On Bouvet Island, it has been found only in the area known as Nyrøysa – a flat terrace created by a rock slide on the island's northwestern coast in the 1950s.Шаблон:SfnШаблон:Sfn However, in 1998, it was also discovered on Livingston Island in the South Shetlands, on the lower slopes of Mount Reina Sofía. There, it was growing on soil over rock.Шаблон:Sfn
References
Sources
- Шаблон:Cite book
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- Шаблон:Cite journal
- Шаблон:Cite book
- Шаблон:Cite book
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- Английская Википедия
- Lichen genera
- Lichens of the subantarctic islands
- Monotypic Lecanoromycetes genera
- Lecanoromycetes
- Taxa named by Dag Olav Øvstedal
- Taxa described in 1986
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