A conspicuous Lobothallia with a placodioid thallus, that usually grows on sun-lit natural basic outcrops, typically diabases and calcareous conglomerates. The lichen may be found also on serpentinites or other types of calcium-enriched siliceous rocks. In the Czech Republic, Lobothallia alphoplaca behaves as a lowland thermophilous species. More of its localities are known only from the broader surroundings of Prague and Brno. The smaller brown thalli are sometimes mistaken for L. praeradiosa (see the species description).
Literature: Suza J. (1947): Praebohemikum a lišejníky. – Věstník Královské české společnosti nauk 1946/1: 1–34.
taxonomic classification:Ascomycota → Lecanoromycetes → Pertusariales → Megasporaceae → Lobothallia
Red List (Liška & Palice 2010):VU – vulnerable
Red List (Malíček 2023):C3 – endangered
Occurrence in the Czech Republic
All records: 33, confirmed 25. One click on a selected square displays particular record(s), including their source(s).