Omphalina pyxidata (Bull. ex Fr.) Qu--l. Selymes b-kagomba. Cap 0.5-2cm across, convex, deeply umbilicate; reddish brown, pinkish brown to yellowish; smooth and deeply radially fluted. Gills decurrent, widely spaced; brownish. Stem 10-30 x 1-2mm, paler than cap; smooth. Spores almond-shaped, 7-10 x 4.5-6--. Deposit white. Habitat in grass in sandy soils, subalpine to alpine. Found in Europe and western North America. Season July-September. Edibility not known -avoid.