Andersson's arctic moss vs Tangled Thread Moss

Arctoa anderssonii compared with Hygroamblystegium varium

Key Differences

• Andersson's arctic moss is Endangered while Tangled Thread Moss is Near Threatened.

Taxonomic Classification

Rank	Andersson's arctic moss	Tangled Thread Moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Bryophyta	Bryophyta
Class same	Bryopsida (Bryopsida)	Bryopsida (Bryopsida)
Order	Dicranales (Dicranales)	Hypnales (Hypnales)
Family	Rhabdoweisiaceae	Amblystegiaceae
Genus	Arctoa	Hygroamblystegium
Species	Arctoa anderssonii	Hygroamblystegium varium

Evolutionary Relationship

Andersson's arctic moss and Tangled Thread Moss share a common ancestor at the Class level: Bryopsida. (Bryopsida)

Conservation Status

Andersson's arctic moss

EN — Endangered

Tangled Thread Moss

NT — Near Threatened

Physical Characteristics

Attribute	Andersson's arctic moss	Tangled Thread 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.

Tangled Thread Moss

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (5 countries) and North America (United States). 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden