Oudemansiella mucida (Porcelain fungus, Poached egg fungus)

Principle species colonised

Typically found on beech.

Area affected

The top parts of the stem or principal branches are frequently colonised.

Type of decay

Early on, there is a “soft-rot” that is followed by a gradual breakdown of lignin and cellulose.

Fruit body / fungal structures

A translucent white toadstool with a clear collar ring on a central stem. The cap is covered in a slimy mucilage that gives the entire thing a glossy, gleaming appearance. The underside of the widely spaced white
Seasonality and perseverance The fruit body has a brief lifespan and is annual. It can show up at any time of year.

Significance / Effect / Impact

This fungus seems to act slowly and is most likely limited to previously damaged wood. As a result, it is rarely linked to any significant loss of strength, but its existence suggests that a thorough assessment and frequent re-examination are necessary to assess growth.