Alpine Rock-Cress vs Couchgrass

Arabis alpina compared with Elymus repens

Taxonomic Classification

Rank	Alpine Rock-Cress	Couchgrass
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Brassicales (Brassicales)	Poales (Grasses)
Family	Brassicaceae	Poaceae (Grass Family)
Genus	Arabis	Elymus
Species	Arabis alpina	Elymus repens

Evolutionary Relationship

Alpine Rock-Cress and Couchgrass share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Couchgrass

LC — Least Concern

Physical Characteristics

Attribute	Alpine Rock-Cress	Couchgrass
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).

Couchgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and temperate coniferous forests, among 5 distinct biome types spanning the Australasia and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Egypt, South Africa), Asia (Iran, North Korea), Europe (4 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Papua New Guinea), and South America (Argentina, Brazil, Chile).

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 6 countries:

🇦🇷 Argentina 🇧🇪 Belgium 🇨🇦 Canada 🇫🇷 France 🇳🇴 Norway 🇺🇸 United States