Catkin Yew vs Chalk Screw-moss

Amentotaxus argotaenia compared with Tortula vahliana

Key Differences

• Catkin Yew is Near Threatened while Chalk Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Catkin Yew	Chalk Screw-moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Coniferophyta (Conifers)	Bryophyta
Class	Pinopsida (Conifers)	Bryopsida (Bryopsida)
Order	Pinales (Pines & Allies)	Pottiales (Pottiales)
Family	Taxaceae	Pottiaceae
Genus	Amentotaxus	Tortula
Species	Amentotaxus argotaenia	Tortula vahliana

Evolutionary Relationship

Catkin Yew and Chalk Screw-moss share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Catkin Yew

NT — Near Threatened

Chalk Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Catkin Yew	Chalk Screw-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Catkin Yew

Habitat

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

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.