Field notes
Death cap
Amanita phalloides
Deadly poisonous
A vital mushroom to recognize and leave.
Names to know
CZMuchomůrka zelená
ENDeath cap
DEGrüner Knollenblätterpilz
Typical seasonJuly – October
Where to look
Mostly broadleaf woods, especially with oak, beech or hornbeam. Included as an essential danger species.
What to notice
Greenish, yellowish or nearly white cap. White gills; a ring and a sac-like sheath at the stem base, sometimes hidden.
Look closer: similar mushrooms
Can be mistaken for russulas or field mushrooms. Poisoning symptoms can be delayed. Suspected ingestion needs immediate medical advice.
Read the expert species account Czech Mycological Society · CzechSources checked 27 September 2026