Merriam’s Pocket Mouse vs Variable watermilfoil

Perognathus merriami compared with Myriophyllum heterophyllum

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Variable watermilfoil is Not Evaluated.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Variable watermilfoil
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Saxifragales (Saxifragales)
Family	Heteromyidae	Haloragaceae
Genus	Perognathus	Myriophyllum
Species	Perognathus merriami	Myriophyllum heterophyllum

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Variable watermilfoil

NE — Not Evaluated

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Variable watermilfoil
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Variable watermilfoil

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (10 countries) and North America (Canada, Cuba, United States).