Lichens of Belgium, Luxembourg and northern France
|Caloplaca oasis (A. Massal.) Szatala|
Syn.: Caloplaca lithophila auct.
Saxicolous, mainly on calcareous walls, usually in very nitrophilous conditions, most common in polluted areas (incl. in cities), never corticolous, often growing together with C. holocarpa.
Lit.: Ma: 204-207 (p.p.), Zwaenepoel et al. (1994: 37).