Lecidella viridans (Flot.) Körb.

Lecidella viridans is characterized by granulose, grey- to white-yellow thallus. Its colour is caused by the abundantly contained xanthones (C+ orange). Hypothecium is usually colourless. The species grows on siliceous rocks, often enriched by calcite or nutrients. It is one of the less frequently reported lichens in Europe, distributed in warmer areas. In the past, it was recorded in several localities in Bohemia and Moravia (see the catalogue by Vězda & Liška 1999). Recently, it occurs only in two sites in south Bohemia.

Literature: Knoph J.-G. (1990): Untersuchungen an gesteinsbewohnenden xanthonhaltigen Sippen der Flechtengattung Lecidella (Lecanoraceae, Lecanorales) unter besonderer Berücksichtigung von aussereuropäischen Proben exklusive Amerika. – Bibliotheca Lichenologica 36: 1–183.

taxonomic classification:

Ascomycota Lecanoromycetes Lecanorales Lecanoraceae Lecidella


Red list:EN – endangered

Occurrence in the Czech Republic

All records: 3, confirmed 2. One click on a selected square displays particular record(s), including their source(s).

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