Constricted Treacle Mustard vs Merriam’s Pocket Mouse

Erysimum contractum compared with Perognathus merriami

Key Differences

• Constricted Treacle Mustard is Vulnerable while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Constricted Treacle Mustard	Merriam’s Pocket Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Brassicales (Brassicales)	Rodentia (Rodents)
Family	Brassicaceae	Heteromyidae
Genus	Erysimum	Perognathus
Species	Erysimum contractum	Perognathus merriami

Conservation Status

Constricted Treacle Mustard

VU — Vulnerable

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Constricted Treacle Mustard	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Constricted Treacle Mustard

Habitat

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

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.