This fungi was found on a big maple leaf among leaf litter at the Evergreen State College (elevation 200ft), the temperature was about 65 degrees. The species is scattered in spots around the leaf, and it looks like tiny black specks surrounded by a green ring.
Found on wood (not bark, decaying slightly, near creek, over mud. Sky clear but canopy shading, weather warm. Bruises brown. Lat/long approximation, found near bridge.