Dune Brittlestem vs Lesser Pencil-tailed Tree Mouse

Psathyrella ammophila compared with Chiropodomys pusillus

Key Differences

• Dune Brittlestem is Endangered while Lesser Pencil-tailed Tree Mouse is Data Deficient.

Taxonomic Classification

Rank	Dune Brittlestem	Lesser Pencil-tailed Tree 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	Muridae (Mice & Rats)
Genus	Psathyrella	Chiropodomys
Species	Psathyrella ammophila	Chiropodomys pusillus

Conservation Status

Dune Brittlestem

EN — Endangered

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Dune Brittlestem	Lesser Pencil-tailed Tree 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.

Lesser Pencil-tailed Tree Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.