Vainio, E. (1909). Lichenes in viciniis stationis hibernae expeditionis Vegae prope pagum Pitlekai in Sibiria septentrionali a Dre. E. Almquist collecti. Praefationem scripsit F. Almquist. Arkiv for Botanik, Band 8, No. 4: 11-175.
Thallus white, very thin. Apothecia adnate, 0.2-0.86 millim. broad, til now initially convex and immarginate, black, nude, opaque. Hypothecium pale or becoming yellow, KHO-. Hymenium I blue, then partly becoming yellow. Epithecium green/greenish-blue-dirty brown/sooty, KHO-. Paraphyses tightly coherent, apices slightly clavate, septate (only simple seen). Spores 8, distichous, oblong, hyaline, simple, rarely 1-septate, 0.010-0.013 millim. long, 0.004 millim. thick, apices rounded.—It is preferably allied with L. limosa rather than L. globulosa.