How to identify it?
Cap
Cap 2-5.5 cm across, convex, becoming broadly convex; brown to reddish brown; surface bald, a little sticky when fresh.
Flesh
Flesh thin, fragile, watery brownish. Odour and taste not distinctive.

Scientific Classification

Phylum
Club fungi Class
Mushroom-forming fungi Order
Gilled fungi Family
Coprinaceae Genus
Brittlestems Species
Common stump brittlestem