Alpine Rock-Cress vs Broad Scalewort

Arabis alpina compared with Porella obtusata

Key Differences

Alpine Rock-Cress is Least Concern while Broad Scalewort is Endangered.

Taxonomic Classification

Rank	Alpine Rock-Cress	Broad Scalewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Jungermanniopsida (Jungermanniopsida)
Order	Brassicales (Brassicales)	Porellales (Porellales)
Family	Brassicaceae	Porellaceae
Genus	Arabis	Porella
Species	Arabis alpina	Porella obtusata

Evolutionary Relationship

Alpine Rock-Cress and Broad Scalewort share a common ancestor at the Kingdom level: Plantae. (Plants)

View Kingdom: Plantae

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Broad Scalewort

EN — Endangered

Physical Characteristics

Attribute	Alpine Rock-Cress	Broad Scalewort
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).

Broad Scalewort

Habitat

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

Range

Distributed across Norway, Portugal, Sweden, and United States. Currently classified as Endangered 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).

Broad Scalewort

The Broad Scalewort (Porella obtusata) is a species in the genus Porella. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.