Merriam’s Pocket Mouse vs Smooth Pox Lichen

Perognathus merriami compared with Pyrenula laevigata

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Smooth Pox Lichen is Extinct.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Smooth Pox Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Eurotiomycetes (Eurotiomycetes)
Order	Rodentia (Rodents)	Pyrenulales (Pyrenulales)
Family	Heteromyidae	Pyrenulaceae
Genus	Perognathus	Pyrenula
Species	Perognathus merriami	Pyrenula laevigata

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Smooth Pox Lichen

EX — Extinct

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Smooth Pox Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smooth Pox Lichen

Habitat

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

Range

Distributed across Norway, Portugal, Sweden, and United States.