Bitter Scalewort vs bristly bearberry

Porella arboris-vitae compared with Arctostaphylos columbiana

Key Differences

• Bitter Scalewort is Vulnerable while bristly bearberry is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	bristly bearberry
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Magnoliopsida (Dicots)
Order	Porellales (Porellales)	Ericales (Ericales)
Family	Porellaceae	Ericaceae
Genus	Porella	Arctostaphylos
Species	Porella arboris-vitae	Arctostaphylos columbiana

Evolutionary Relationship

Bitter Scalewort and bristly bearberry share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Bitter Scalewort

VU — Vulnerable

bristly bearberry

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	bristly bearberry
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.

bristly bearberry

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Canada.

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.

bristly bearberry

The Bristly bearberry (Arctostaphylos columbiana) is a species in the genus Arctostaphylos. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.