Merriam’s Pocket Mouse vs Rough Stonewort

Perognathus merriami compared with Chara aspera

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Rough Stonewort is Near Threatened.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Rough Stonewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Charophyta (Charophyta)
Class	Mammalia (Mammals)	Charophyceae (Charophyceae)
Order	Rodentia (Rodents)	Charales (Charales)
Family	Heteromyidae	Characeae
Genus	Perognathus	Chara
Species	Perognathus merriami	Chara aspera

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Rough Stonewort

NT — Near Threatened

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Rough Stonewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rough Stonewort

Habitat

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

Range

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