Rinodina sophodes (Ach.) A. Massal.

A conspicuous Rinodina forming grey-brown circular thalli on a smooth tree bark. It has crowded lecanorine apothecia with a thallus margin and minute Milvina type spores (with irregularly and strongly thickened cell wall).

The species typically grows on branches in canopies, but also on smooth bark of young deciduous trees (e.g., beech, ash or rowan). In Europe, it is abundant in the Mediterranean (mainly in montane areas), but distributed also further north, e.g., in Scandinavia. In central Europe, R. sophodes is quite rare because it avoids areas with a continental climate. In the Czech Republic, it has several localities at lower elevations (steppes in Bílé Karpaty and Pálava) and also in the mountains (the Orlické hory and Beskydy Mts). For example, at the top of the Smrk Mt (the Beskydy Mts), it is very abundant on young rowans (above 1250 m a. s. l.).

taxonomic classification:

Ascomycota Lecanoromycetes Caliciales Physciaceae Rinodina


Red list:EN – endangered

Occurrence in the Czech Republic

All records: 6, confirmed 6. 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