Common Script Lichen Graphis scripta
Identification
This lichen has gray surface with black script like lines.
Location
Common statewide
Size
One to three inch patches
Diet
It absorbs nutrients from air and rain.
Habitat
It occurs on beech and maple bark.
Activity Period
Year round
Behavior
It forms thin crusts on smooth bark. It persists through winter.
Lifecycle
Reproduction occurs through spores in script lines.
Population
The population is stable statewide.
History
It has long been present in Ohio.
Human Interactions
It is harmless to trees.
Facts
Its markings resemble written characters.
Sources
ODNR NatureServe
Airborne nutrients moisture | Smooth bark hardwoods | Statewide