The inconspicuous areoles of A. moenium are small and white and have black soralia. It is the only known sorediate member of the Acarosporaceae. The species grows on walls and buildings, especially on concrete, and in nature on calcareous or calciferous rock. It often grows in moist situations in shade or full sun in Europe and North America. It is easy overlooked and under-collected but is probably common in central Europe. In the Czech Republic, A. moenium is widely distributed from lowlands to mountains but quite rarely reported. Its highest known elevation in the country is 1385 m in Krkonoše.
taxonomic classification:Ascomycota → Lecanoromycetes → Acarosporales → Acarosporaceae → Acarospora
most frequented synonyms:Aspicilia moeniumRed List (Liška & Palice 2010):LC – least concern
Occurrence in the Czech Republic
All records: 63, confirmed 61. One click on a selected square displays particular record(s), including their source(s).