- Colorful patches on the bark of trunk and/or branches
- Can be wrinkled, in scalloped sheets, lace-like pads, bushy tufts, paint-like spots or splashes
- Forms can be flat against the bark surface or raised in leaf-like lobes, finger-like or hairy projections
- Colors may be shades of gray, green, blue, yellow, orange, or red
- More information on Lichens...