Crust fungus Hypoxylon rubiginosum on Caney ...

The image presents a close-up view of a crust fungus, likely Hypoxylon rubiginosum, growing on a tree trunk or branch in Sam Houston National Forest, Texas. The focus is on a reddish-brown to brown growth covering a portion of the wood surface.

**Key Features:**

* **Color:** The crust fungus exhibits a range of colors, including reddish-brown and brown hues.
* **Texture:** The texture of the fungus appears rough and irregular, with some areas featuring a more compact or dense appearance.
* **Size:** The size of the fungus is not explicitly stated but seems to cover a significant portion of the wood surface.
* **Location:** The image was captured in Sam Houston National Forest, Texas, on August 31, 2019.

**Conclusion:**

The image provides a detailed view of a crust fungus growing on a tree trunk or branch in Sam Houston National Forest. While the exact species is not confirmed as Hypoxylon rubiginosum, the characteristics described match those commonly associated with this genus. – AI vision