Galerina marginata · Hymenogastraceae
Also called Deadly Galerina
A small brown mushroom on dead wood carrying the same toxins as the Death Cap.
Deadly poisonous. DEADLY. Contains amatoxins. Never pick clustered small brown mushrooms from wood without a spore print: white print for Velvet Shank, rusty for this killer.
Read the full foraging safety guidance.
August to November
Velvet Shank, Sheathed Woodtuft and Honey Fungus, all picked from wood. The rusty spore print is the giveaway.
Never eat.
Amanita virosa
Pure white, elegant and lethal. The one to check for whenever you pick a white mushroom.

Cortinarius rubellus
A modest orange-brown mushroom whose poison destroys the kidneys weeks after the meal.
Paxillus involutus
Once eaten widely in Europe, now known to cause a fatal immune reaction that builds up over repeated meals.