Proc. Amer. Acad. Arts & Sci. 12: 172 (1877).

Protolog: Thallo imbricato cinerascente, lobis adscendentibus rotundatis sinuato-incisis margine subcrispis .

Protolog type data: Shores of the Straits of Magellan, Rev. Dr. Thomas Hill (Hassler exp. 1872).

Type locality: Chile, xxx, Shores of the Straits of Magellan, T. Hill (Hassler exp. 1872). Not mentioned in checklist.