Thompson, J., 1997. American Arctic Lichens: The Microlichens.
Thallus crustose, thin or dispersed, ver-ruculose with very small gray to greenish gray verrucules. Apothecia to 1 mm, mainly 0.3-0.6 mm broad; margin of same color as disk, disappearing; exciple pale brownish to brownish red, the cells more or less radiating, K—, HNCX + red-violet; disk flat or slightly convex, brownish black to black, dull, epruinose; hypothecium light brown, or irregular hyphae; epihymenium reddish brown or brown, K+ violet and also HNO3+ violet-tinged; hymenium about 50 µm, hyaline, upper part reddish, 1+ blue turning wine-red; paraphyses closely coherent, sparingly branched, tips slightly dilated; spores 8, aci-cular, one end broader than the other, 4- or 5-septate, 26-30 x 1-2 µm.
This species was described by Vainio (1909) from bones and sandy soil in Siberia. It is included here with the possibility that it may turn up in Alaska.