vs

Arthonia calcarea compared with Arthonia phaeobaea

Key Differences

• is Near Threatened while is Data Deficient.

Taxonomic Classification

Rank
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Arthoniomycetes (Arthoniomycetes)	Arthoniomycetes (Arthoniomycetes)
Order same	Arthoniales (Arthoniales)	Arthoniales (Arthoniales)
Family same	Arthoniaceae	Arthoniaceae
Genus same	Arthonia	Arthonia
Species	Arthonia calcarea	Arthonia phaeobaea

Evolutionary Relationship

and share a common ancestor at the Genus level: Arthonia.

Conservation Status

NT — Near Threatened

DD — Data Deficient

Physical Characteristics

Attribute
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Arthonia calcarea is a crustose lichen that grows on calcareous rock surfaces, limestone outcrops, and old mortar in sheltered situations. It forms a thin, white to grey thallus with small, dark, irregular apothecia embedded within. Near Threatened, this species is sensitive to habitat disturbance, air pollution, and the removal of old calcareous stone structures.

Arthonia phaeobaea is a species in the genus Arthonia. It is currently classified as Data Deficient due to insufficient information. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden