Hypholoma fasciculare · Strophariaceae
Dense sulphur-yellow clusters on stumps all year. Very common, very bitter, and toxic.
Poisonous. Causes violent vomiting and, rarely, serious liver damage. The bitterness usually prevents anyone eating much.
Read the full foraging safety guidance.
All year
Honey Fungus and Brick Tuft. The greenish-yellow gills and bitter taste are diagnostic.
Do not eat.

Agaricus xanthodermus
A field-mushroom lookalike that turns bright chrome yellow when cut and makes most people ill.

Clitocybe rivulosa
A small pale funnel-shaped grassland mushroom; an important poisonous lookalike of edible spring species.

Amanita muscaria
The classic red and white toadstool. Hallucinogenic and poisonous. Admire it, do not eat it.