Micarea byssacea (Th. Fr.) Czarnota, Guzow-Krzemińska & Coppins

A conspicuous taxon from the M. micrococca group with dark-pigmented adnate („button-like“) apothecia and thick dark green thallus. Most often, it grows on acidic bark of wooden plants (typically on beech), less often on decaying wood in moist shaded forests including managed spruce and beech monocultures. Its abundancy and distribution in the Czech Republic are insufficiently know, but it is probably a common species. Some of the records under this name may refer to the similar M. czarnotae. In the past, it was reported as M. prasina.

taxonomic classification:

Ascomycota Lecanoromycetes Lecanorales Pilocarpaceae Micarea


Red list:DD – data deficient

Occurrence in the Czech Republic

All records: 103, confirmed 95. One click on a selected square displays particular record(s), including their source(s).

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