Bitter Scalewort vs Hotson’s Brush-tailed Mouse

Porella arboris-vitae compared with Calomyscus hotsoni

Key Differences

• Bitter Scalewort is Vulnerable while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Hotson’s Brush-tailed Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Mammalia (Mammals)
Order	Porellales (Porellales)	Rodentia (Rodents)
Family	Porellaceae	Calomyscidae
Genus	Porella	Calomyscus
Species	Porella arboris-vitae	Calomyscus hotsoni

Conservation Status

Bitter Scalewort

VU — Vulnerable

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Scalewort

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable 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.

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.