Acanthothecis saxicola
Acanthothecis saxicola is a species of saxicolous (rock-dwelling) lichen in the family Graphidaceae. Found in Brazil, it was formally described as a new species in 2022 by André Aptroot, Robert Lücking, and Marcela Eugenia da Silva M.Cáceres. The type specimen was collected near Poço Azul (Riachão, Maranhão) at an altitude of 450 m (1,480 ft); here, in a cerrado forest, it was found growing on an overhanging sandstone. The lichen has an ochraceous white thallus lacking a cortex and a prothallus. Its asci contains eight spores, and the ascospores are hyaline, measuring 22–30 by 5 μm with 6 to 8 transverse septa. Acanthothecis saxicola contains stictic acid, a lichen product detectable using thin-layer chromatography.[1]
| Acanthothecis saxicola | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Graphidales |
| Family: | Graphidaceae |
| Genus: | Acanthothecis |
| Species: | A. saxicola |
| Binomial name | |
| Acanthothecis saxicola | |
References
- Feuerstein, Shirley Cunha; Aptroot, André; da Silveira, Rosa Mara Borges; Lücking, Robert; Cáceres, Marcela Eugenia da Silva (2022). "An updated world key to the species of Acanthothecis s. lat. (Ascomycota: Graphidaceae), with ten new species from Brazil". The Lichenologist. 54 (2): 87–99. doi:10.1017/s0024282922000019. S2CID 247795096.
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