Small white agaric under pines

Small white agaric under pines

Observation - Small white agaric under pines - UK and Ireland. Description: This tiny agaric, cap maybe 1cm aross emerged at the base of a very large Douglas Fir in sparse turf. Cap and gills strikingly white, with pinkish stem. No noticeable scent. Everywhere around is dominated by Mycena galopus, but this is clearly different.

This tiny agaric, cap maybe 1cm aross emerged at the base of a very large Douglas Fir in sparse turf. Cap and gills strikingly white, with pinkish stem. No noticeable scent. Everywhere around is dominated by Mycena galopus, but this is clearly different. Ideas?