Alpine Rock-Cress vs Red Beard Lichen

Arabis alpina compared with Usnea rubicunda

Key Differences

• Alpine Rock-Cress is Least Concern while Red Beard Lichen is Not Evaluated.

Taxonomic Classification

Rank	Alpine Rock-Cress	Red Beard Lichen
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Brassicales (Brassicales)	Lecanorales (Lecanorales)
Family	Brassicaceae	Parmeliaceae
Genus	Arabis	Usnea
Species	Arabis alpina	Usnea rubicunda

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Red Beard Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Alpine Rock-Cress	Red Beard Lichen
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).

Red Beard Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), North America (United States), and South America (Colombia).

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 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States