Common Sunburst Lichen Xanthoria parietina

Identification
This lichen has bright yellow or orange leafy lobes.

Location
Uncommon in Ohio

Size
One to four inch patches

Diet
It absorbs nutrients from air and rain.

Habitat
It occurs on rocks and tree bark.

Activity Period
Year round

Behavior
It grows in sunny exposed areas. It remains visible year round.

Lifecycle
Reproduction occurs through spores and fragments.

Population
The population is expanding.

History
It has increased with rising nitrogen levels.

Human Interactions
It often grows near farms.

Facts
Its color intensifies in sunlight.

Sources
ODNR academic sources

Airborne nutrients moisture | Rocks bark sunny sites | Scattered statewide