Dune Brittlestem vs Hotson’s Brush-tailed Mouse

Psathyrella ammophila compared with Calomyscus hotsoni

Key Differences

• Dune Brittlestem is Endangered while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Dune Brittlestem	Hotson’s Brush-tailed Mouse
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Rodentia (Rodents)
Family	Psathyrellaceae	Calomyscidae
Genus	Psathyrella	Calomyscus
Species	Psathyrella ammophila	Calomyscus hotsoni

Conservation Status

Dune Brittlestem

EN — Endangered

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Dune Brittlestem	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dune Brittlestem

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.