Merriam’s Pocket Mouse vs Slender Stonewort

Perognathus merriami compared with Nitella gracilis

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Slender Stonewort is Vulnerable.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Slender 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	Nitella
Species	Perognathus merriami	Nitella gracilis

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Slender Stonewort

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Slender Stonewort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Denmark, Norway, Sweden), North America (United States), and South America (Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.