Andersson's arctic moss vs Opposite Stonewort

Arctoa anderssonii compared with Chara contraria

Key Differences

• Andersson's arctic moss is Endangered while Opposite Stonewort is Near Threatened.

Taxonomic Classification

Rank	Andersson's arctic moss	Opposite Stonewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Bryophyta	Charophyta (Charophyta)
Class	Bryopsida (Bryopsida)	Charophyceae (Charophyceae)
Order	Dicranales (Dicranales)	Charales (Charales)
Family	Rhabdoweisiaceae	Characeae
Genus	Arctoa	Chara
Species	Arctoa anderssonii	Chara contraria

Evolutionary Relationship

Andersson's arctic moss and Opposite Stonewort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Andersson's arctic moss

EN — Endangered

Opposite Stonewort

NT — Near Threatened

Physical Characteristics

Attribute	Andersson's arctic moss	Opposite Stonewort
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.

Opposite Stonewort

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and 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