Alpine Rock-Cress vs Ferny Azolla

Arabis alpina compared with Azolla pinnata

Taxonomic Classification

Rank	Alpine Rock-Cress	Ferny Azolla
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Polypodiopsida (Polypodiopsida)
Order	Brassicales (Brassicales)	Salviniales (Salviniales)
Family	Brassicaceae	Salviniaceae
Genus	Arabis	Azolla
Species	Arabis alpina	Azolla pinnata

Evolutionary Relationship

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

Conservation Status

Alpine Rock-Cress

LC — Least Concern

Ferny Azolla

LC — Least Concern

Physical Characteristics

Attribute	Alpine Rock-Cress	Ferny Azolla
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).

Ferny Azolla

Habitat

Found across multiple habitat types including deserts and xeric shrublands, tropical and subtropical moist broadleaf forests, and flooded grasslands and savannas spanning the Palearctic and Oceanian realms.

Range

Widely distributed across Africa (4 countries), Asia (Indonesia, Singapore, Taiwan), North America (Mexico, United States), and Oceania and the Pacific (Marshall Islands, New Zealand, Tuvalu).

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 1 countries:

🇺🇸 United States