Ascomycete mushrooms Hyalorbilia inflatula ...

The image depicts a close-up view of a fallen elm trunk with black Biscogniauxia fungus and numerous small mushrooms, identified as Ascomycete Hyalorbilia inflatula (Orbilia inflatula), growing on it.

**Key Features:**

* **Trunk:** The surface of the tree is dark brown or black due to fungal growth.
* **Fungus:** Biscogniauxia fungus has colonized the trunk, which appears as a black substance on the wood.
* **Mushrooms:** Small mushrooms (Hyalorbilia inflatula) are scattered throughout the area. They have thin stems and small caps with irregular shapes.

**Background:**

The background of the image is not visible due to the close-up nature of the photograph, which focuses solely on the trunk and mushrooms.

**Overall Impression:**

The image suggests that the fallen elm tree has been colonized by a fungus (Biscogniauxia) and various types of mushrooms (Hyalorbilia inflatula), which are likely decomposing organic matter. – AI vision