Alpine Rock-Cress vs Cosson's hook moss

Arabis alpina compared with Scorpidium cossonii

Key Differences

• Alpine Rock-Cress is Least Concern while Cosson's hook moss is Vulnerable.

Taxonomic Classification

Rank	Alpine Rock-Cress	Cosson's hook moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Bryophyta
Class	Magnoliopsida (Dicots)	Bryopsida (Bryopsida)
Order	Brassicales (Brassicales)	Hypnales (Hypnales)
Family	Brassicaceae	Scorpidiaceae
Genus	Arabis	Scorpidium
Species	Arabis alpina	Scorpidium cossonii

Evolutionary Relationship

Alpine Rock-Cress and Cosson's hook moss share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Cosson's hook moss

VU — Vulnerable

Physical Characteristics

Attribute	Alpine Rock-Cress	Cosson's hook 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).

Cosson's hook moss

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia). Currently classified as Vulnerable 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).

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States