Frosted Rosette Lichen Physcia stellaris
Identification
This lichen has gray rosettes with frosted edges.
Location
Common statewide
Size
One to three inch rosettes
Diet
It absorbs nutrients from air and rain.
Habitat
It occurs on bark and stone.
Activity Period
Year round
Behavior
It forms leafy circular patches. It persists through winter.
Lifecycle
Reproduction occurs through soredia.
Population
The population is stable statewide.
History
It has long been present in Ohio.
Human Interactions
It is harmless and widespread.
Facts
Its frosted edges help reflect sunlight.
Sources
ODNR NatureServe
Airborne nutrients moisture | Tree bark rocks fences | Statewide