Alpine Rock-Cress vs Black Sheet Lichen

Arabis alpina compared with Parmotrema reticulatum

Key Differences

• Alpine Rock-Cress is Least Concern while Black Sheet Lichen is Not Evaluated.

Taxonomic Classification

Rank	Alpine Rock-Cress	Black Sheet 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	Parmotrema
Species	Arabis alpina	Parmotrema reticulatum

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Black Sheet Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Alpine Rock-Cress	Black Sheet 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).

Black Sheet Lichen

Habitat

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

Range

Distributed across Colombia, Norway, Portugal, Taiwan, 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).

Black Sheet Lichen

The Black Sheet Lichen (Parmotrema reticulatum) is a species in the genus Parmotrema. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States