Alpine Rock-Cress vs Pitted Beard Lichen

Arabis alpina compared with Usnea cavernosa

Key Differences

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

Taxonomic Classification

Rank	Alpine Rock-Cress	Pitted 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 cavernosa

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Pitted Beard Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Alpine Rock-Cress	Pitted 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).

Pitted Beard Lichen

Habitat

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

Range

Distributed across Norway and United States.

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 2 countries:

🇳🇴 Norway 🇺🇸 United States