Lecanora allophana (Ach.) Nyl.

This Lecanora grows on a bark of broad-leaved trees with a higher pH of the bark, most often on Populus, Acer platanoides, Juglans and Fraxinus. It prefers well-lit habitats (avenues, woodland edges, well-lit forests, etc.). It is very sensitive to air pollution and eutrophication. In Europe, it is abundant in some mountain ranges (typically in the Alps and the Carpathians Mts), otherwise it is scattered or very rare to find. It is almost absent in the oceanic part of Europe. In the Czech Republic, it is an infrequent species that diminished significantly with the increase of acid rain in the second half of the 20th century. Several recent records are from the Šumava Mts, Novohradské hory Mts and the mountain Králický Sněžník.

Literature: Malíček J. (2014): A revision of the epiphytic species of the Lecanora subfusca group (Lecanoraceae, Ascomycota) in the Czech Republic. – Lichenologist 46: 489–513.

taxonomic classification:

Ascomycota Lecanoromycetes Lecanorales Lecanoraceae Lecanora


Red list:CR – critically endangered

Occurrence in the Czech Republic

All records: 24, confirmed 18. One click on a selected square displays particular record(s), including their source(s).

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Altitude preferences

Distribution Timeline

Substrate type

Substrate preferences

© Botanický ústav AV ČR, v. v. i. 2020–2023