A rare lignicolous species that occurs on decaying wood. Alike the similar M. hedlundii, it forms stalked pycnidia, but covered by a grey pruina. Furthermore, its thallus is more smoothly granulose and lighter green. The species ecology and distribution in the Czech Republic is poorly known. It has been recorded in densely wooden areas both natural and managed, on wood of both coniferous and deciduous trees. So far, the lichen has been reliably documented in the Český les Mts, Podyjí National Park, Třeboň and Křivoklát regions.
Literature: Malíček J., Palice Z. & Vondrák J. (2018): Additions and corrections to the lichen biota of the Czech Republic. – Herzogia 31: 453–475.
taxonomic classification:Ascomycota → Lecanoromycetes → Lecanorales → Pilocarpaceae → Micarea
Red List (Malíček 2023):C2 – strongly endangered
Occurrence in the Czech Republic
All records: 8, confirmed 8. One click on a selected square displays particular record(s), including their source(s).