Lecidella stigmatea (Ach.) Hertel & Leuckert

A Lecidella species with a thin or immersed thallus, colourless to light hypothecium and unpigmented inner exciple. It is one of the pioneer saxicolous lichens of calcareous and basic substrates, and grows in both natural and anthropogenic habitats. The species is common across the whole of Europe, as well as in the Czech Republic, where it occurs from lowlands to mountains.

Ascomycota → Lecanoromycetes → Lecanorales → Lecanoraceae → Lecidella