Merriam’s Pocket Mouse vs Weak Sedge

Perognathus merriami compared with Carex laxa

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Weak Sedge is Near Threatened.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Weak Sedge
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Poales (Grasses)
Family	Heteromyidae	Cyperaceae
Genus	Perognathus	Carex
Species	Perognathus merriami	Carex laxa

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Weak Sedge

NT — Near Threatened

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Weak Sedge
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Weak Sedge

Habitat

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

Range

Distributed across Canada, Finland, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.