Andersson's arctic moss vs

Arctoa anderssonii compared with Bacidia rosella

Key Differences

Andersson's arctic moss is Endangered while is Critically Endangered.

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	Ramalinaceae
Genus	Arctoa	Bacidia
Species	Arctoa anderssonii	Bacidia rosella

Conservation Status

Andersson's arctic moss

EN — Endangered

CR — Critically Endangered

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

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

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.

Bacidia rosella is a crustose lichen in the family Ramalinaceae, assessed as Critically Endangered (CR). It grows on the smooth bark of ancient trees in old-growth woodland habitats with long ecological continuity. Its critically endangered status reflects extreme rarity and the near-total loss of suitable veteran tree habitats across its range.