Astrothelium carrascoense

Astrothelium carrascoense
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Dothideomycetes
Order:	Trypetheliales
Family:	Trypetheliaceae
Genus:	Astrothelium
Species:	A. carrascoense
Binomial name
	Astrothelium carrascoense; Flakus, Kukwa & Aptroot (2016)

Astrothelium carrascoense is a species of corticolous (bark-dwelling) lichen in the family Trypetheliaceae. Found in Bolivia, it was formally described as a new species in 2016 by lichenologists Adam Flakus, Martin Kukwa, and André Aptroot. The type specimen was collected by the first author near Sehuencas in Carrasco National Park (Carrasco Province, Cochabamba Department) at an altitude of 2,250 m (7,380 ft); there it was found growing on bark along a river in a Yungas cloud forest. Its species epithet refers to the type locality, the only place it is known to occur. The lichen has large, singly occurring ascomata that are completely covered by the green thallus. Its ascospores are narrowly ellipsoid and slightly curved, measuring 150–210 by 40–50 μm. Astrothelium meristosporum is somewhat similar in appearance, but can be distinguished by its narrower (25–40 μm) ascospores than have a distinct septum in the middle, and the ostioles (pores) of its ascomata.[1]

References

Flakus, Adam; Kukwa, Martin; Aptroot, André (2016). "Trypetheliaceae of Bolivia: an updated checklist with descriptions of twenty-four new species". The Lichenologist. 48 (6): 661–692. doi:10.1017/s0024282915000559.

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[Flakus_et_al._2016-1] Flakus, Adam; Kukwa, Martin; Aptroot, André (2016). "Trypetheliaceae of Bolivia: an updated checklist with descriptions of twenty-four new species". The Lichenologist. 48 (6): 661–692. doi:10.1017/s0024282915000559.