Bibliotheca Lichenol. 85: 130 (2002).

Basionym: Graphis columbina Tuck., Syn. N. Amer. Lich. (Boston) 2: 123 (1883).

Type locality: USA, Alabama, southern Alabama, [Butler County], Pigeon Creek, 1860, Beaumont 563 (FH - lectotype). Designated by Wirth & Hale (1978: 36). Psoromic acid mentioned by Nakanishi on the sheet fide Staiger (2002: 130).

Thallus: greenish to brownish, continuous, smooth to matte. Ascocarps fissurine, the margins paler than the surrounding thallus, straight to flexuose, ...

Photobiont: Data lacking.

Chemistry: Psoromic acid (Wirth & Hale 1978: 36).