Serusiauxia

Serusiauxia
Holotype specimen of Serusiauxia inexpectata, showing its sorediate thallus; scale bar = 2.5 mm
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Eurotiomycetes
Order:	Pyrenulales
Family:	Pyrenulaceae
Genus:	Serusiauxia Ertz & Diederich (2020)
Species:	S. inexpectata
Binomial name
Serusiauxia inexpectata Ertz & Diederich (2020)
Holotype: Sir Seewoosagur Ramgoolam Botanical Garden, Mauritius

Serusiauxia is a monotypic fungal genus in the family Pyrenulaceae.^[1] It contains a single species, Serusiauxia inexpectata, a corticolous (bark-dwelling), crustose lichen found in Mauritius. Serusiauxia is morphologically distinct within the Pyrenulaceae due to its sorediate thallus and chemistry involving gyrophoric acid, a combination of characteristics that is not observed in any other Pyrenulaceae genera.