Lich. Univ.: 600 (1810).
Basionym:
Lichen calicaris var. polymorphus Lilj., Utk. Svensk Fl. 2. ed.: 426 (1798). (Swinscow & Krog 1988: 286).
Synonym: Index Fungorum
Type: Sweden, [TLC: no medullary substances] (H-ACH 1804A - lectotype).
Chemistry: Uscinc acid in cortex. No medullary substances (Krog & Østhagen 1980: 286).
Ecology: Saxicolous. Preferring nitrogen-rich bird rocks.
Molecular data: Genbank
Distribution: Database
Note: The authors are cited as "Ach." by Harutyunyna & Mayrhofer (2009: 151), and as "(Ach.) Ach." by Verseghy (1994: 222), and Aragon et al. (2001: 152) and Egan (1972: 27) (New Mexico), aber (Lilj.) Ach. by Swinscow & Krog (1988: 286), Wirth et al. (2011: ) und Index Fungorum (2012).