How to identify it?
Cap
Cap 2.5-5 cm across, bell-shaped; mustard and becoming dull, greyish-brown; surface hygrophanous, smooth to slightly fibrillose; dotted with evanescent white veil fragments at the margin. Flesh thin, fragile, pale. Odour and taste not distinctive.


Scientific Classification

Phylum
Club fungi Class
Mushroom-forming fungi Order
Gilled fungi Family
Coprinaceae Genus
Brittlestems Species
Tall psathyrella