Graphis tetralocularis

Graphis tetralocularis
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Graphidales
Family:	Graphidaceae
Genus:	Graphis
Species:	G. tetralocularis
Binomial name
	Graphis tetralocularis; C.Bock & M.Hauck (2005)

Graphis tetralocularis is a species of crustose lichen in the family Graphidaceae. Found in Rwanda, it was formally described as a new species in 2005 by Christina Bock and Markus Hauck. The type specimen was collected by the first author from Akagera National Park at an altitude of 1,369 m (4,491 ft); here it was found growing on a twig of a Nuxia floribunda tree. It is only known to occur at the type locality, which is a dry forest dominated by the trees Nuxia floribunda, Haplocoelum gallense, and Strychnos usambarensis. The lichen has a thin, smooth, whitish grey to grey-green crustose thallus. The specific epithet tetralocularis refers to the unusual morphology of its four-chambered ascospores. Graphis tetralocularis contains trace amounts of atranorin, a secondary chemical that can be detected using the technique of thin-layer chromatography.[1]

References

Bock, Christina; Hauck, Markus (2005). "Graphis tetralocularis, a new lichen with four-celled ascospores from tropical Africa". The Lichenologist. 37 (2): 105–108. doi:10.1017/s0024282904014719. S2CID 85714404.

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[Bock_&_Hauck_2005-1] Bock, Christina; Hauck, Markus (2005). "Graphis tetralocularis, a new lichen with four-celled ascospores from tropical Africa". The Lichenologist. 37 (2): 105–108. doi:10.1017/s0024282904014719. S2CID 85714404.