in Nash et al., Lichen flora Greater Sonoran Desert Region 2: 147 (2004).

Protolog: Similis L. turicensi, sed differt thallo griseo-viridescente, corticato, areolato, areolis densis vel dispersis; areolae verruculosae, margine incisae, nitidulae, ascosporae ellipsoideae, 1-septatae, 10-14 x 4-5 µm.

Protolog scan: Data lacking.

Protolog type data: Type: U.S.A. Arizona: Yavapai Co., along West Clear Creek near wilderness boundary, Coconino National Forest, 34°33'N, 111°42'W, 1100 m, 3 December 1994, T. H. Nash 34194 (ASU, holotype designated here; hb. v.d. Boom, isotype).

Type locality: USA, Arizona, Yavapai County, along West Clear Creek near wilderness boundary, Coconino National Forest, 1100 m, 3 December 1994, T.H. Nash 34194 (ASU - holotype; van den Boom - isotype).

Type locality coordinates: 34°33'N, 111°42'W.