Arctic marsh sedge vs Fat Sand Rat

Carex holostoma compared with Psammomys obesus

Key Differences

• Arctic marsh sedge is Vulnerable while Fat Sand Rat is Least Concern.

Taxonomic Classification

Rank	Arctic marsh sedge	Fat Sand Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Poales (Grasses)	Rodentia (Rodents)
Family	Cyperaceae	Muridae (Mice & Rats)
Genus	Carex	Psammomys
Species	Carex holostoma	Psammomys obesus

Conservation Status

Arctic marsh sedge

VU — Vulnerable

Fat Sand Rat

LC — Least Concern

Physical Characteristics

Attribute	Arctic marsh sedge	Fat Sand Rat
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.

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.