1 Iritis is uncommon, but can be due to trauma, infections, or autoimmune conditions. Symptoms include pain, red eye, and often, decreased vision.  Optic neuritis. The nerve travelling from the back of the eyeball into the brain can become inflamed.
Oak root fungus, or white rot, is a widespread disease that becomes visible just beneath the bark and on roots. What looks like layers of light brown to tan mushrooms form in clusters at the base of the trees.
Getting Rid of Artillery Fungus. Here is what the spores look like on the vinyl siding: Here is a photo of what the actual fungus that produces the black spores: The artillery fungus, or shotgun fungus, is a wood-decay fungus that likes to live on moist landscape mulch.