Wood rot fungus

I wonder if this mold on gluten-free bread differs from species on regular wheat bread. I didn’t look at the spores; next time.
Main ingredients: brown rice flour, tapioca starch, corn starch.

Found in Quercus douglasii acorn

the disease (spots)

Unsure on this ID, blue staining on wood and doesn’t seems to affect the heart wood in this stick

Blue stain fungus, beautiful color