Black jelly roll fungus (Exidia glandulosa) on a ...

The image showcases a close-up of the black jelly roll fungus, specifically Exidia glandulosa, growing on a fallen elm tree trunk. The fungus appears as a dark brownish-black, slimy mass with an irregular shape and texture, covering most of the exposed surface area.

**Characteristics:**

* **Growth Habit**: The fungus forms in clusters or rolls, typically 1-2 cm (0.4-0.8 in) in diameter, giving it a distinctive appearance.
* **Color**: It has a dark brownish-black color with occasional tan or beige hues where it is less dense and has separated into smaller globs.
* **Texture**: The surface of the fungus feels wet and slimy to the touch due to its high water content.

**Background:**

The background of the image features part of the fallen elm tree trunk, which provides a natural habitat for the fungus. The tree's bark is visible in some areas, adding context to the scene. – AI vision