J. Hattori Bot. Lab. 66: 158 (1989).
Basionym: Urceolaria actinostoma var. aenea Müll. Arg., Rev. Mycol. 38: 12 (1888) fide xxx. But "10, 38: 64 [Lich. parag.: 12]" in Lumbsch et al. (1993: 303).
Type: USA, Texas, Western Texas, 1879, J. Boll (G - lecotype).
Photobiont: Green alga.
Chemistry: Lecanoric acid (major), orsellinic acid (minor), diploschistesic acid (minor) (Guderley & Lumbsch 1996: 273).
Ecology: On exposed silicious rocks mainly in semiarid regions (Lumbsch et al. 1993: 304).
Molecular data: Genbank
Distribution: Both Americas, Eastern Asia, Europe. Database
Note: