Andersson's arctic moss vs Arctic barrel-bubble

Arctoa anderssonii compared with Retusa obtusa

Key Differences

Andersson's arctic moss is Endangered while Arctic barrel-bubble is Least Concern.

Taxonomic Classification

Rank	Andersson's arctic moss	Arctic barrel-bubble
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Mollusca (Mollusks)
Class	Bryopsida (Bryopsida)	Gastropoda (Gastropoda)
Order	Dicranales (Dicranales)	Cephalaspidea (Cephalaspidea)
Family	Rhabdoweisiaceae	Retusidae
Genus	Arctoa	Retusa
Species	Arctoa anderssonii	Retusa obtusa

Conservation Status

Andersson's arctic moss

EN — Endangered

Arctic barrel-bubble

LC — Least Concern

Physical Characteristics

Attribute	Andersson's arctic moss	Arctic barrel-bubble
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.

Arctic barrel-bubble

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.