in Mack., Fl. Hibern.: 145 (1836). fide Hale & Kurokawa (xxx: 5)

Type: Ireland, County Kerry, Lough Bray (FH-Tayl) fide Hale & Kurokawa (xxx: 5)

Thallus: Rhizines usually squarrosely branched.

Chemistry: Atranorin and salacinic acid present in all specimens (Hale & Kurokawa xxx: 5).

Ecology: On bark.