Close-up of snowy-white resupinate polypore ...

The image presents a close-up view of a white, snow-like substance covering pieces of dark brown wood. The overall appearance is that of a fungal growth on decaying pine wood, likely caused by the resupinate polypore mushroom mentioned in the caption.

**Key Features:**

* **Mushroom Growth:** The white material appears to be growing on top of the dark brown wood, with some areas showing more extensive coverage than others.
* **Wood Texture:** The dark brown coloration suggests that the wood is either pine or another softwood species, as these are commonly associated with this type of mushroom growth.
* **Texture and Pattern:** Upon closer inspection, it becomes apparent that the white material has a unique texture and pattern. It seems to be made up of small, rounded protrusions or spines that cover the surface of both the wood and the surrounding area.

**Conclusion:**

Based on the visual characteristics observed in the image, it is reasonable to conclude that this is indeed a resupinate polypore mushroom growing on pine wood. The unique texture and pattern of the white material are consistent with the appearance of this type of fungus, which often has a snow-like or cottony appearance due to its spiny surface.

**Answer:** Resupinate Polypore Mushrooms. – AI vision