Sparria endlicheri (Garov.) Ertz & Tehler

Sparria endlicheri is a crustose sorediate creamy to pinkish coloured lichen associated with a trentepohlioid alga. Its thallus has C+ red reaction. It grows below overhanging siliceous rocks enriched with bases. More rarely, it also colonizes a tree bark and exposed roots at places sheltered from rainfall. It was occasionally found in central Europe until the first half of the 20th century; however, it is considered extinct in several central European countries nowadays (see Vondrák et al. 2010). In the Czech Republic, it is rarely found at low and middle elevations, e. g. in Křivoklát, Prachatice and Třebíč regions.

Literature: Vondrák J., Merkulova O. & Redchenko O. (2010): Several noteworthy lichens found in the foothills of the Šumava Mts, South Bohemia, Czech Republic. – Bryonora 45: 31–35.

Ascomycota → Arthoniomycetes → Arthoniales → Opegraphaceae → Sparria