A poorly known species with roughly granulose, yellow-white to yellow-grey thallus containing xanthones (C+ orange), on which blastidia and apothecia are formed. Most often, it grows on worked timber, less often also on bark of deciduous trees. The lichen prefers eutrophicated sites (e.g. farm surroundings). It is apparently rare in Europe. Most of its localities are known in the Alps (see e.g. Nimis et al. 2018). In the past, L. pulveracea was reported several times from the Czech Republic (see the catalogue by Vězda & Liška 1999), but due to the problematic taxonomic situation within the vegetatively reproducing members of the genus Lecidella, these data require revision. Recent records lack.
Literature: Nimis P. L., Hafellner J., Roux C., Clerc P., Mayrhofer H., Martellos S. & Bilovitz P. O. (2018): The lichens of the Alps – an annotated checklist. – Mycokeys 31: 1–634. Wirth V., Hauck M. & Schultz M. (2013): Die Flechten Deutschlands. – Ulmer, Stuttgart.taxonomic classification:
Ascomycota → Lecanoromycetes → Lecanorales → Lecanoraceae → Lecidella
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