Alpine Rock-Cress vs Bordered Screw-moss

Arabis alpina compared with Tortula marginata

Key Differences

• Alpine Rock-Cress is Least Concern while Bordered Screw-moss is Endangered.

Taxonomic Classification

Rank	Alpine Rock-Cress	Bordered Screw-moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Bryophyta
Class	Magnoliopsida (Dicots)	Bryopsida (Bryopsida)
Order	Brassicales (Brassicales)	Pottiales (Pottiales)
Family	Brassicaceae	Pottiaceae
Genus	Arabis	Tortula
Species	Arabis alpina	Tortula marginata

Evolutionary Relationship

Alpine Rock-Cress and Bordered Screw-moss share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Bordered Screw-moss

EN — Endangered

Physical Characteristics

Attribute	Alpine Rock-Cress	Bordered Screw-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Rock-Cress

Habitat

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

Range

Widely distributed across Europe (10 countries), North America (Canada, United States), and South America (Argentina).

Bordered Screw-moss

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

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

Alpine Rock-Cress

The Alpine Rock-Cress (Arabis alpina) is a species in the genus Arabis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Widely distributed across Europe (10 countries), North America (Canada, United States), and South America (Argentina).

Bordered Screw-moss

The Bordered Screw-moss (Tortula marginata) is a species in the genus Tortula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway