Bitter Scalewort vs Narrow-headed Vole

Porella arboris-vitae compared with Microtus gregalis

Key Differences

• Bitter Scalewort is Vulnerable while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Narrow-headed Vole
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Mammalia (Mammals)
Order	Porellales (Porellales)	Rodentia (Rodents)
Family	Porellaceae	Cricetidae
Genus	Porella	Microtus
Species	Porella arboris-vitae	Microtus gregalis

Conservation Status

Bitter Scalewort

VU — Vulnerable

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Narrow-headed Vole
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.

Narrow-headed Vole

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.