The cap is pale and whitish, with greyish or olive tints.  Initially caps are closed around the stipe, becoming  bell-shaped as they mature. The stipe is grey.  It has no smell when fresh but if collected it develops a medicinal (iodine) smell as it dries out.

other small pale Mycena of woodlands

microscopy

This is a difficult speces to identify with certainty unless it has been microscopically examined from a specimen.  Expert verification prior to submssion to NatureSpot is recommended.  Also photograph from top down, in side view and from underneath to show gills and full length of stipe.  Note habitat and substrate.

Grows in tufts in woodland and on wood

Autumn

Common and widespread in Britain

Common in Leicestershire and Rutland.