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.
Mold is a fungi that contains multiple identical nuclei. It grows in the form of hyphae of filaments. A type of fungi that contains only a single cell. Appearance. Mold has a fuzzy appearance and can be an orange, green, black, brown, pink or purple in color. Can be found in several shapes.