Carbacanthographis spongiosa

Carbacanthographis spongiosa
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Graphidales
Family:	Graphidaceae
Genus:	Carbacanthographis
Species:	C. spongiosa
Binomial name
	Carbacanthographis spongiosa; Feuerstein & Lücking (2022)

Carbacanthographis spongiosa is a species of corticolous (bark-dwelling) lichen in the family Graphidaceae. Found in Brazil, it was formally described as a new species in 2022 by Shirley Cunha Feuerstein and Robert Lücking. The type specimen was collected from Atlantic Forest on a private property in Santa Luzia do Itanhy (Sergipe). The specific epithet spongiosa refers to the spongy texture of the thallus surface.^[1]

The lichen has a greenish thallus lacking a cortex, and with prothallus; the thallus is perforated with numerous tiny holes that give it a spongy appearance. It has hyaline ascospores that measure 23–25 by 6–7 μm; these spores have between 6 and 8 transverse septa. Carbacanthographis spongiosa contains stictic acid and cryptostictic acid, which are lichen products that can be detected using thin-layer chromatography.^[1]

References

^ ^a ^b Feuerstein, Shirley Cunha; Lücking, Robert; Borges da Silveira, Rosa Mara (2022). "A worldwide key to species of Carbacanthographis (Graphidaceae), with 17 species new to science". The Lichenologist. 54 (1): 45–70. doi:10.1017/s002428292100044x. S2CID 246828544.

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