Blue Roundhead
Poisonous 
Autumn 
Winter 
Not a dangerously poisonous mushroom but can cause gastric upsets and hallucinations.
| Mushroom Type | |
| Common Names | Blue Roundhead |
| Scientific Name | Stropharia caerulea |
| Season Start | Aug |
| Season End | Dec |
| Average Mushroom height (CM) | 9 |
| Average Cap width (CM) | 8 |
Cap
Convex opening to flattened cone. Green/blue when young turning pale tan/green.
Gills
White turning grey/brown. Not crowded.
Stem
White turning pale blue. Covered in scales.
Skirt
Has a long lasting white ring, the top surface of which becomes coloured with the brown spores.
Flesh
White/pale blue.
Habitat
Mixed woodland, heath and grassland.
Possible Confusion
The only similar looking mushroom is the Verdigris Agaric, Stropharia aeruginosa, which is rarer and has white edged gills.
Spore Print
Purple/brown. Ellipsoid. The spores should be scrapped into a small pile to get an accurate spore colour.
Frequency
Fairly common.
Other Facts
This mushroom contains psilocybin and psilobin, powerful halluncinogens, but this mushroom will also cause gastric upsets so is not a safe mushroom for consumption.
4 comments for Blue Roundhead
I have found these in my garden, should I report them?
For trespassing in their natural habitat?
Hahaha, you should pick them and make spore prints. Perhaps you could do something else with them if you so chose….
But thats a hilarious comment haha, call the authorities some mushrooms are growing hahahahahaha so funny 🤣
Please could you Send them my way please it would be much appreciate for mycology purposes of course x kind regards T