Parmelia omphalodes (L.) Ach.

The most abundant species of the P. omphalodes agg., distributed sparsely on siliceous rocks and screes in submountain and mountain areas of the Czech Republic. The species is widespread in the northern hemisphere. In the past, it was the only group member reported from the Czech Republic. The other two taxa were distinguished only at a subspecies level or not at all. Parmelia omphalodes differs from the similar P. discordans in the content of salazinic acid in the medulla (K+ red) and from P. pinnatifida in numerous pseudocyphellia on the surface of lobes. Recent work (Ossowska et al. 2019) suggests the intragroup evolutionary relationships to be more complex, and highlights the need for more detailed studies.

Literature: Ossowska E., Guzow-Krzemińska B., Kolanowska M., Szczepańska K. & Kukwa M. (2019): Morphology and secondary chemistry in species recognition of Parmelia omphalodes group – evidence from molecular data with notes on the ecological niche modelling and genetic variability of photobionts. – MycoKeys 61: 39–74.

taxonomic classification:

Ascomycota Lecanoromycetes Lecanorales Parmeliaceae Parmelia


Red list:NT – near threatened

Occurrence in the Czech Republic

All records: 102, confirmed 65. 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