Andersson's arctic moss vs Marsh Valerian

Arctoa anderssonii compared with Valeriana dioica

Key Differences

• Andersson's arctic moss is Endangered while Marsh Valerian is Extinct.

Taxonomic Classification

Rank	Andersson's arctic moss	Marsh Valerian
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Bryophyta	Magnoliophyta (Flowering Plants)
Class	Bryopsida (Bryopsida)	Magnoliopsida (Dicots)
Order	Dicranales (Dicranales)	Dipsacales (Dipsacales)
Family	Rhabdoweisiaceae	Caprifoliaceae
Genus	Arctoa	Valeriana
Species	Arctoa anderssonii	Valeriana dioica

Evolutionary Relationship

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

Conservation Status

Andersson's arctic moss

EN — Endangered

Marsh Valerian

EX — Extinct

Physical Characteristics

Attribute	Andersson's arctic moss	Marsh Valerian
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.

Marsh Valerian

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

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

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