Eastern Speckled Shield Lichen vs Powdered Speckled Shield Lichen

Punctelia bolliana compared with Punctelia subrudecta

Key Differences

• Eastern Speckled Shield Lichen is Not Evaluated while Powdered Speckled Shield Lichen is Near Threatened.

Taxonomic Classification

Rank	Eastern Speckled Shield Lichen	Powdered Speckled Shield Lichen
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Lecanorales (Lecanorales)	Lecanorales (Lecanorales)
Family same	Parmeliaceae	Parmeliaceae
Genus same	Punctelia	Punctelia
Species	Punctelia bolliana	Punctelia subrudecta

Evolutionary Relationship

Eastern Speckled Shield Lichen and Powdered Speckled Shield Lichen share a common ancestor at the Genus level: Punctelia.

Conservation Status

Eastern Speckled Shield Lichen

NE — Not Evaluated

Powdered Speckled Shield Lichen

NT — Near Threatened

Physical Characteristics

Attribute	Eastern Speckled Shield Lichen	Powdered Speckled Shield Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Speckled Shield Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States.

Powdered Speckled Shield Lichen

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States