Type locality coordinates: Latitude: 35.5564226, Longitude: -106.1505784.

Thallus: crustose, areolate, margin abrupt at edge, without elongated lobes; prothallus absent; surface gray to blue-gray, smooth, without asexual propagules; cortex cellular, thick, without granules. Apothecia adnate to stipitate, 0.4-0.8 mm in diam., lecanorine; disc black, flat, epruinose; margin persistent, flush; thalline margin present, concolorous with thallus: proper margin not visible or visible, concolorous with disc; parathecium cellular (paraplectenchymatous) including exciple below hypothecium; epihymenium brown; hymenium hyaline, 70-115 µm tall; paraphyses 2-3 tip cells slightly swollen, not branched or with few branches; subhymenium hyaline; asci cylindrical, 8-spored. Ascospores hyaline, 2 locules, ellipsoid, 14-18 µm x 7-10 µm, isthmus 1.5-4 µm, spore end wall thin. Pycnidia not observed (Nash et al. 2001: xx).

Photobiont: Data lacking.

Chemistry: No lichen substances found by TLC (Wetmore 1994: 816). Epihymenium K+ violet, H+ violet, 10%N + violet, cN+ violet, C+ violet; apothecial margin K+ violet, H+ violet, 10% N+ violet, cN+ violet, C+ violet; thallus K+ violet, H+ violet, 10%N+ violet, cN+ violet, C+ violet; unidentified anthraquinones; thalloidima green (Nash et al. 2001: xx).

Ecology: On non-calcareous or calcareous rocks.

Molecular data: Genbank

Distribution: North American endemic.

Note: It is doubtful that the holotype still exists (Wetmore 1994: 816)