A. Fungi
More extensive information on fungi can be found in a separate blog post.
B. Gilled Mushrooms (MERULIACEAE)
These are the rosette fungi, crust-like polypores.
C. Smoky Bracket (Bjerkandera adusta)
This is a plant pathogen that causes white rot in live trees, but also appears on dead wood. It is a flat white and brown fungus with undulating edges.
Additional Information
Polyporales Order Information
This order contains parasitic and saprotrophic members, many causing rot in standing and fallen trees, some causing damage by rotting structural timber. Some are mycorrhizal. Their spores are released through pores.