Alpine Rock-Cress vs American Willowherb

Arabis alpina compared with Epilobium ciliatum

Key Differences

• Alpine Rock-Cress is Least Concern while American Willowherb is Not Evaluated.

Taxonomic Classification

Rank	Alpine Rock-Cress	American Willowherb
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Brassicales (Brassicales)	Myrtales (Myrtales)
Family	Brassicaceae	Onagraceae
Genus	Arabis	Epilobium
Species	Arabis alpina	Epilobium ciliatum

Evolutionary Relationship

Alpine Rock-Cress and American Willowherb share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Alpine Rock-Cress

LC — Least Concern

American Willowherb

NE — Not Evaluated

Physical Characteristics

Attribute	Alpine Rock-Cress	American Willowherb
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).

American Willowherb

Habitat

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

Range

Widely distributed across Europe (28 countries), North America (United States), and Oceania and the Pacific (Australia, New Zealand).

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).

American Willowherb

The American Willowherb (Epilobium ciliatum) is a species in the genus Epilobium. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇨🇿 Czech Republic 🇩🇰 Denmark 🇫🇷 France 🇮🇸 Iceland 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States