Andersson's arctic moss vs False widow

Arctoa anderssonii compared with Steatoda bipunctata

Key Differences

• Andersson's arctic moss is Endangered while False widow is Least Concern.

Taxonomic Classification

Rank	Andersson's arctic moss	False widow
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Arthropoda (Arthropods)
Class	Bryopsida (Bryopsida)	Arachnida (Arachnids)
Order	Dicranales (Dicranales)	Araneae (Araneae)
Family	Rhabdoweisiaceae	Theridiidae
Genus	Arctoa	Steatoda
Species	Arctoa anderssonii	Steatoda bipunctata

Conservation Status

Andersson's arctic moss

EN — Endangered

False widow

LC — Least Concern

Physical Characteristics

Attribute	Andersson's arctic moss	False widow
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.

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, 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