Omphalina wynniae (Bark. & Be.) Ito Cap 1-3cm across, broadly convex becoming flatter with an uplifted, lined margin; olive-brown to greenish yellow, paler overall in age; smooth, moist, hygrophanous. Gills decurrent, distant, broad; greenish yellow, brighter and paler in age. Stem 10-30 x 1-4mm equal; yellow or whitish; more or less smooth. Spores ellipsoid, 7-9 x 4-5ì. Deposit white. Habitat singly or in small clusters on wet, rotting conifers. Found in the Pacific Northwest. Season September-October. Edibility not known -avoid.