Leptogium cyanescens (Rabenh.) Körb.

A large and conspicuous genus member with a grey-blue isidiate thallus. The species grows on mossy tree bark and mossy rocks and stones from lowlands to mountains. Being a suboceanic lichen, L. cyanescens requires humid microhabitats which may be found in the Czech Republic in deep river or brook valleys. In Europe, its localities are concentrated in Atlantic regions. Currently, the species is very rare in central Europe and even extinct in the Czech Republic. In the past, it was recorded close to Dalešice in the Třebíč region and at the locality of Rešovské vodopády waterfalls near Rýmařov (Suza 1934).

Literature: Suza J. (1934): Ozeanische Züge in der epiphytischen Flechtenflora der Ostenkarpathen (ČSR), bzw. Mitteleuropas. – Věstník Královské české společnosti nauk 1933/9: 1–43.

taxonomic classification:

Ascomycota Lecanoromycetes Peltigerales Collemataceae Leptogium


Red list:RE – extinct

Occurrence in the Czech Republic

All records: 1, confirmed 1. One click on a selected square displays particular record(s), including their source(s).

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