Dark Gray Boulder Lichen vs Hotson’s Brush-tailed Mouse

Porpidia cinereoatra compared with Calomyscus hotsoni

Key Differences

• Dark Gray Boulder Lichen is Near Threatened while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Dark Gray Boulder Lichen	Hotson’s Brush-tailed Mouse
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecideales (Lecideales)	Rodentia (Rodents)
Family	Lecideaceae	Calomyscidae
Genus	Porpidia	Calomyscus
Species	Porpidia cinereoatra	Calomyscus hotsoni

Conservation Status

Dark Gray Boulder Lichen

NT — Near Threatened

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Dark Gray Boulder Lichen	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Gray Boulder 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.

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.