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 crustose, gelatinous-varnished, moderately continuous, moderately unequal, dirty white, covering dead plants, moderately thick, algae diverse, poorly developed, sparingly containing and perhaps alien. Apothecia immersed in thallus or +/- emergent. Perithecium hemispherical or subglobose-hermispherical, dimidiate, green/greenish blue-dark brown/grayish-brown or green/greenish blue-becoming blue, base white, KHO-, wider rounded-obtuse, apices almost conical-rounded or convex, 0.140-0.320 millim. wide. Nucleus white, I yellow. Paraphyses very numerous, branch-connected. Periphyses not developed. Asci cylindrical or swollen, c. 0.055-0.70 millim. long, 0.015-0.018 millim. thick, membrane more unequal moderately thick. Spores 8, distichous, hyaline, fusiform, some with acute apices, others obtuse, 0.020-0.022 millim. long, 0.00-40,005 millim. (sic) thick, not covered with halo, 5-septate (probably not mature), septae thin, locule commonly unequal.—Habit is similar to young Th. reducta (Th. Fr.) Wain. (Verr. sphinctrinoidella Nyl.) and it’s probably allied, although spores agree with Porina, but it differs in the green/greenish-blue, dimidiate perithecium. If mature spores are actually 5-septate, it belongs to Arthopyrenia, rather than Porina, paraphyses branch-connected.
Attached to dead plants above sandy soil near the region Pitlekai, in mountains and elsewhere on Jinretlen peninsula.Fert.—Thallus perhaps belongs to Thelenella reducta (Th. Fr.), which also has large, elevated, nude apothecia and dark brown/grayish-brown-sooty perithecia, which are empty and aged.