A saprophyte is a fungus, bacterium or plant that lives off dead material and is therefore a decomposer. The oyster mushroom is an example of a tree-growing saprophyte and one of our most cultivated mushroom species.
Sources
Nature & Culture – Photographer Oliver Karlöf 
Fungimap – Saprophytic Fungi
April 2023, TÄNKOM | Revised February 2024 RETHINK
