Merriam’s Pocket Mouse vs Shadow Dot Lichen

Perognathus merriami compared with Micarea peliocarpa

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Shadow Dot Lichen is Near Threatened.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Shadow 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	Byssolomataceae
Genus	Perognathus	Micarea
Species	Perognathus merriami	Micarea peliocarpa

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Shadow Dot Lichen

NT — Near Threatened

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Shadow 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.

Shadow Dot Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.