Thompson, J., 1997. American Arctic Lichens: The Microlichens.
Thallus to 1.5 cm broad, of numerous spreading to erect lobes which are irregular, 0.1-0.8 mm broad, the margins entire to irregularly cut, light to dark brown; paraplectenchymatous throughout, the algae in chains through the thallus. Apothecia common, adnate to immersed, to 0.5 mm broad; disk concave, brown to black; thalloid exciple with small lobules; proper exciple euparaplectenchymatous, 10-20 μ thick in center, thinning marginally; subhymenium yellowish; hymenium 115-135 μ, hyaline, with thin brown epithecium; paraphyses unbranched, 1.0-1.5 μ, slightly thicker at apices; asci cylindrico-clavate, 85-115 x 14-19 μ; spores 8, uniseriate, ellipsoid to subfusiform; 5 septate transversely, 1-septate longitudinally; apices rounded or pointed, 25-25 x 9-14 μ.
This species grows on soil. It is known only from collections made in Siberia and on Bering Island in the Bering Sea. It may be expected in Alaska.