Bladder Fern vs Merriam’s Pocket Mouse

Cystopteris fragilis compared with Perognathus merriami

Key Differences

• Bladder Fern is Not Evaluated while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Merriam’s Pocket Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Heteromyidae
Genus	Cystopteris	Perognathus
Species	Cystopteris fragilis	Perognathus merriami

Conservation Status

Bladder Fern

NE — Not Evaluated

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.