Andersson's arctic moss vs Bordered Screw-moss

Arctoa anderssonii compared with Tortula marginata

Taxonomic Classification

Rank	Andersson's arctic moss	Bordered Screw-moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Bryophyta	Bryophyta
Class same	Bryopsida (Bryopsida)	Bryopsida (Bryopsida)
Order	Dicranales (Dicranales)	Pottiales (Pottiales)
Family	Rhabdoweisiaceae	Pottiaceae
Genus	Arctoa	Tortula
Species	Arctoa anderssonii	Tortula marginata

Evolutionary Relationship

Andersson's arctic moss and Bordered Screw-moss share a common ancestor at the Class level: Bryopsida. (Bryopsida)

View Class: Bryopsida

Conservation Status

Andersson's arctic moss

EN — Endangered

Bordered Screw-moss

EN — Endangered

Physical Characteristics

Attribute	Andersson's arctic moss	Bordered Screw-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.

Bordered Screw-moss

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Distributed across Belgium, Luxembourg, New Zealand, Norway, and Portugal. Currently classified as 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.

Bordered Screw-moss

The Bordered Screw-moss (Tortula marginata) is a species in the genus Tortula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.