Hainault Forest
AGARICOMYCETES
Small Tortoiseshell
Aglais urticae
TQ4792 04/02/2026 ©Raymond Small

Bleeding Oak Crust 

Stereum gausapatum


This fungus appears as circular crusts that sometimes develop into overlapping brackets. It is brown and leathery, featuring a whitish margin. It can be found on dead oak branches and logs throughout the year. When the fungus is damaged, it releases a blood-coloured fluid, creating the appearance of bleeding.  Young specimens can also release the juice naturally.

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