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: 159.
Thallus verrucose-areolate, areoles partly convex, dispersed or partly contiguous, dark brown/grayish-brown-black or olivaceous-dark brown/grayish brown, hypothallus black, visible on both sides. Perithecium globose, dark brown/grayish-brown-black, entire. Spores oblong or pr. p. ellipsoid, apices obtuse or rounded, 0.012-0.022 millim. long, 0.005-0.008 millim. thick.—Gonidia pleurococcaceous, moderate size, commonly simple, sometimes 4-celled. Nucleus globose, I violetish or initially very slightly glaucescent. Periphyses numerous, constipate, numerous septae, simple, 0.020-0.030 millim. long, 0.0015 millim. thick. Paraphyses moderate, membrane dissolute in gelatin, tubules thin, distinct. Asci swollen or cylindrical-swollen. Spores 8, distichous, simple, hyaline, often containing a few droplets. Thallus moderately thick or of middling thickness.—Furthermore, in original specimen (Fellm., Lich. Arct. N. 217, in mus. Fenn.) thallus moderately thick or of middling thickness, ashy grey-dark brown/grayish-brown or in parts in shady locations growing away from and typically very thin and dirty white.
On granite and gneiss rock on peninsula Jinretlen.Fert.