Nordic J. Bot. 31, 1: 68 (2013).

Basionym: Patellaria sinapisperma DC.in Lamarck & de Candolle, Fl. Franç., Edn 3 (Paris) 2: 349 (1805).

Typification: not indicated.

Thallus: crustose, continuous, without elongated lobes; prothallus absent; surface gray, verruculose, without asexual propagules. Apothecia adnate, 0.3-1 mm, lecideine; disc brownish orange or brown, convex, epruinose; margin disappearing, flush; thalline margin absent; proper margin not visible or visible, concolorous with disc or little lighter than disc; parathecium consisting of radiating hyphae, exciple below hypothecium prosoplectenchymatous; epihymenium golden, K+ red, C+ violet; hymenium hyaline, 85-100 µm tall; paraphyses 1-2 tip cells slightly swollen, with few branches; sub-hymenium hyaline. Asci cylindrical, 8-spored. Ascospores hyaline, 2 locules, ellipsoid, 14-17(-18) x (7-)8.5-10 µm, isthmus 1.5-4 µm, spore end wall thickened. Pycnidia present, mostly immersed, ostiole black (Nash et al. 2001: xx)

Photobiont: Data lacking.

Chemistry: Thallus K-, C-; unidentified anthraquinones, parietin, emodin (Nash et al. 2001: xx)

Ecology: On bryophytes or detritus

Molecular data: Genbank

Distribution: Database

Note: Deviating authors in Arup et al. 2013: Bryoplaca sinapisperma (Lam. & DC.) Søchting, Frödén & Arup