Merriam’s Pocket Mouse vs Polychrome Dot Lichen

Perognathus merriami compared with Bacidia polychroa

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Polychrome Dot Lichen is Extinct.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Polychrome Dot Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Heteromyidae	Ramalinaceae
Genus	Perognathus	Bacidia
Species	Perognathus merriami	Bacidia polychroa

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Polychrome Dot Lichen

EX — Extinct

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Polychrome Dot Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Polychrome Dot Lichen

Habitat

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

Range

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