Hairy curtain crust fungus (Stereum hirsutum) on a fallen ...

The image features a close-up photograph of the Hairy curtain crust fungus (Stereum hirsutum) growing on a fallen oak tree trunk.

**Key Features:**

* The mushroom has a distinctive fan-shaped or semicircular cap, measuring approximately 2-4 inches in diameter.
* The coloration ranges from light brown to dark reddish-brown and is often adorned with white hairs along the edges of the cap.
* The underside of the cap displays white pores that are typically small and crowded together.

**Growth Patterns:**

* The Hairy curtain crust fungus grows on or at the base of trees, particularly deciduous ones like oak, beech, and maple.
* It thrives in areas with high humidity, such as under canopies or near water sources.

**Habitat:**

* The habitat for this species is often characterized by:
   + Deciduous forests
   + Woodland edges
   + Near streams or rivers

**Conclusion:**

The image showcases the Hairy curtain crust fungus (Stereum hirsutum) growing on a fallen oak tree trunk, highlighting its unique appearance and typical growth patterns. – AI vision