Alpine Rock-Cress vs Humble Pixie-Cup Lichen

Arabis alpina compared with Cladonia humilis

Key Differences

Alpine Rock-Cress is Least Concern while Humble Pixie-Cup Lichen is Vulnerable.

Taxonomic Classification

Rank	Alpine Rock-Cress	Humble Pixie-Cup 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	Cladoniaceae
Genus	Arabis	Cladonia
Species	Arabis alpina	Cladonia humilis

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Humble Pixie-Cup Lichen

VU — Vulnerable

Physical Characteristics

Attribute	Alpine Rock-Cress	Humble Pixie-Cup 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).

Humble Pixie-Cup Lichen

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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).