Red fly agaric / Brown fly agaric / Panther agaric
Amanita muscaria var. muscaria / var. regalis / pantherina
(Norwegian: Rød / Brun / Panter fluesopp)
These mushrooms have white gills and a stem with a ring. The base of the stem is bulbous. The cap is reddish or brownish in colour, usually with white spots.
These three agaric mushrooms contain a toxin affecting the nervous system. Clinical signs usually appear ½ - 3 hours after ingestion. Small amounts ingested may cause confusion, dizziness and stomach upsets. Ingestion of larger amounts can cause muscle tremors and other symptoms requiring hospital treatment.
Orange birch bolete
Orange birch bolete has a reddish-brown cap and black scales on a white stem. The flesh of the mushroom darkens when cut. The mushroom is common throughout Norway.
Orange birch bolete is edible if heated for a minimum of 15-20 minutes. Orange birch bolete insufficiently heated is probably the mushroom causing most cases of stomach upsets in Norway.
Nausea, vomiting, diarrhoea and abdominal pain typically occur a few hours after ingestion. Symptoms usually pass within 1-2 days. Ingestion of large amounts may cause severe gastric distress and require hospitalization.
This mushroom has a brown cap with rolled rim, brown stem and gills that become dark when applying pressure. Brown roll-rim is common in Norway.
Brown roll-rim contains several different toxins producing various symptoms. Vomiting, diarrhoea and abdominal pain may occur ½ - 3 hours after ingesting raw mushrooms. Repeated ingestion of heated Brown roll-rim can cause serious poisoning with damage to blood cells and kidneys.