Xenonectriella nephromatis

Xenonectriella nephromatis is a species of lichenicolous fungus in the family Nectriaceae. Found in Alaska, it was described as a species new to science in 2020 by Sergio Pérez-Ortega. The type specimen was discovered in the Hoonah–Angoon Census Area in Glacier Bay National Park, where it was growing on a Nephroma lichen. The specific epithet alludes to this host lichen.[1]

Xenonectriella nephromatis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Sordariomycetes
Order: Hypocreales
Family: Nectriaceae
Genus: Xenonectriella
Species:
X. nephromatis
Binomial name
Xenonectriella nephromatis
Pérez-Ort. (2020)

The fungus has perithecioid ascocarps, meaning that they are spherical or flask-shaped with a central pore (ostiole) through which spores are discharged. These dark red ascocarps, which are immersed in the thallus of the host lichen, are up to 0.6 mm in diameter. The asci are eight-spored and measure 120–130 by 8–12 μm. Ascospores are more or less broadly ellipsoid, with some variation in shape, and measure 12–16 by 5–8 μm.[1]

References

  1. Spribille, Toby; Fryday, Alan M.; Pérez-Ortega, Sergio; Svensson, Måns; Tønsberg, Tor; Ekman, Stefan; Holien, Håkon; Resl, Philipp; Schneider, Kevin; Stabentheiner, Edith; Thüs, Holger; Vondrák, Jan; Sharman, Lewis (2020). "Lichens and associated fungi from Glacier Bay National Park, Alaska". The Lichenologist. 52 (2): 61–181. doi:10.1017/S0024282920000079. PMC 7398404. PMID 32788812.


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