Andersson's arctic moss vs

Arctoa anderssonii compared with Usnea cornuta

Key Differences

Andersson's arctic moss is Endangered while is Near Threatened.

Taxonomic Classification

Rank	Andersson's arctic moss
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Bryophyta	Ascomycota (Sac Fungi)
Class	Bryopsida (Bryopsida)	Lecanoromycetes (Lecanoromycetes)
Order	Dicranales (Dicranales)	Lecanorales (Lecanorales)
Family	Rhabdoweisiaceae	Parmeliaceae
Genus	Arctoa	Usnea
Species	Arctoa anderssonii	Usnea cornuta

Conservation Status

Andersson's arctic moss

EN — Endangered

NT — Near Threatened

Physical Characteristics

Attribute	Andersson's arctic moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andersson's arctic moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Andersson's arctic moss

The Andersson's arctic moss (Arctoa anderssonii) is a species in the genus Arctoa. It is currently classified as Endangered on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.