Thompson, J., 1997. American Arctic Lichens: The Microlichens.
Thallus forming a thin, granular-scurfy, ashy gray layer with an indistinct hypothallus. Perithecia ovate with a narrowing toward ostiole, adnate, 0.25-0.3 mm broad, brownish or reddish when wet; hymenium I—; paraphyses slender, branched, persistent; asci cylindro-clavate; spores spindle-shaped, | pointed, 3-septate, 16-25 X 6-9 µm.
This species grows on bare soil. In Europe it is boreal and alpine but rare, found mainly in central Europe. The only report so far from North America is from clay soil in old polygons near Point Barrow, Alaska (Thomson & Shushan 9182, WIS).