Bitter Scalewort vs Catkin Yew

Porella arboris-vitae compared with Amentotaxus argotaenia

Key Differences

• Bitter Scalewort is Vulnerable while Catkin Yew is Near Threatened.

Taxonomic Classification

Rank	Bitter Scalewort	Catkin Yew
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Coniferophyta (Conifers)
Class	Jungermanniopsida (Jungermanniopsida)	Pinopsida (Conifers)
Order	Porellales (Porellales)	Pinales (Pines & Allies)
Family	Porellaceae	Taxaceae
Genus	Porella	Amentotaxus
Species	Porella arboris-vitae	Amentotaxus argotaenia

Evolutionary Relationship

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

Conservation Status

Bitter Scalewort

VU — Vulnerable

Catkin Yew

NT — Near Threatened

Physical Characteristics

Attribute	Bitter Scalewort	Catkin Yew
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.

Catkin Yew

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

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.

Catkin Yew

The Catkin Yew (Amentotaxus argotaenia) is a species in the genus Amentotaxus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in temperate and boreal forests, often at higher elevations.