Arctic marsh sedge vs Linnaeus's mouse opossum

Carex holostoma compared with Marmosa murina

Key Differences

• Arctic marsh sedge is Vulnerable while Linnaeus's mouse opossum is Least Concern.

Taxonomic Classification

Rank	Arctic marsh sedge	Linnaeus's mouse opossum
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Poales (Grasses)	Didelphimorphia (Didelphimorphia)
Family	Cyperaceae	Didelphidae
Genus	Carex	Marmosa
Species	Carex holostoma	Marmosa murina

Conservation Status

Arctic marsh sedge

VU — Vulnerable

Linnaeus's mouse opossum

LC — Least Concern

Physical Characteristics

Attribute	Arctic marsh sedge	Linnaeus's mouse opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic marsh sedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada, Finland, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Linnaeus's mouse opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Arctic marsh sedge

The Arctic marsh sedge (Carex holostoma) is a species in the genus Carex. It is currently classified as Vulnerable on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.