Andersson's arctic moss vs Greater Eastern Peaclam

Arctoa anderssonii compared with Pisidium dubium

Key Differences

• Andersson's arctic moss is Endangered while Greater Eastern Peaclam is Least Concern.

Taxonomic Classification

Rank	Andersson's arctic moss	Greater Eastern Peaclam
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Mollusca (Mollusks)
Class	Bryopsida (Bryopsida)	Bivalvia (Bivalvia)
Order	Dicranales (Dicranales)	Sphaeriida (Sphaeriida)
Family	Rhabdoweisiaceae	Sphaeriidae
Genus	Arctoa	Pisidium
Species	Arctoa anderssonii	Pisidium dubium

Conservation Status

Andersson's arctic moss

EN — Endangered

Greater Eastern Peaclam

LC — Least Concern

Physical Characteristics

Attribute	Andersson's arctic moss	Greater Eastern Peaclam
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.

Greater Eastern Peaclam

Habitat

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

Range

Found in 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.