Mycena???

Mycena???

Observation - Mycena???. Description: Large group of small white mushrooms growing in wet well-drained grass, cap about 15 mm across, white/grey slightly cream at centre, radial wrinkles near margin, stem translucent white/grey, cap cone/bell-shaped, opening out like umbrella, gills visible b

Large group of small white mushrooms growing in wet well-drained grass, cap about 15 mm across, white/grey slightly cream at centre, radial wrinkles near margin, stem translucent white/grey, cap cone/bell-shaped, opening out like umbrella, gills visible below cap in side-view, white, widely-spaced, free/adnexed? Spore print didn't come out.