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Astrothelium robustosporum

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Astrothelium robustosporum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Dothideomycetes
Order: Trypetheliales
Family: Trypetheliaceae
Genus: Astrothelium
Species:
A. robustosporum
Binomial name
Astrothelium robustosporum
Aptroot & M.Cáceres (2016)

Astrothelium robustosporum is a species of corticolous (bark-dwelling) lichen in the family Trypetheliaceae. Found in Brazil, it was formally described as a new species in 2016 by André Aptroot and Marcela Cáceres. The type specimen was collected by the authors in the Estação Ecológica de Cuniã [pt] (Porto Velho, Rondônia), in a low-altitude primary rainforest. The lichen has a smooth and somewhat shiny, pale yellowish-grey thallus that lacks a prothallus and covers areas of up to 10 cm (4 in) in diameter. The ascomata are pear-shaped (pyriform) and typically occur singly, immersed in the bark tissue, and have a one-sided (eccentric) black ostiole. The lichen does not react with any of the standard chemical spot tests, and thin-layer chromatography did not reveal the presence of any lichen products. The species epithet robustosporum refers to the ascospores, which have a single thickened transverse septa that divides the spore into two diamond-shaped cavities.[1]

References

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  1. ^ Aptroot, André; Cáceres, Marcela Eugenia da Silva (2016). "New Trypetheliaceae from the Amazon basin in Rondônia (Brazil), the centre of diversity of the genus Astrothelium". The Lichenologist. 48 (6): 693–712. doi:10.1017/s0024282915000584. S2CID 89013757.