Usnochroma
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| Usnochroma | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Teloschistales |
| Family: | Teloschistaceae |
| Genus: | Usnochroma Søchting, Arup & Frödén (2013) |
| Type species | |
| Usnochroma carphineum (Fr.) Søchting, Arup & Frödén 2013 | |
| Species | |
Usnochroma is a genus of lichen-forming fungi in the family Teloschistaceae.[1] It has two species of crustose lichens.[2] The genus was circumscribed in 2013 by lichenologists Ulrik Søchting, Ulf Arup, and Patrik Frödén, with Usnochroma carphineum assigned as the type species. The genus name refers to the yellowish-green colour of the thallus, which is caused by the substance usnic acid. Usnochroma species occur in Macaronesia, South Africa, the Mediterranean Basin,[3] and Algeria.[4]