Adder’S-Mouth vs Alpine Rock-Cress

Malaxis bayardii compared with Arabis alpina

Key Differences

• Adder’S-Mouth is Critically Endangered while Alpine Rock-Cress is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Alpine Rock-Cress
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Asparagales (Asparagales)	Brassicales (Brassicales)
Family	Orchidaceae	Brassicaceae
Genus	Malaxis	Arabis
Species	Malaxis bayardii	Arabis alpina

Evolutionary Relationship

Adder’S-Mouth and Alpine Rock-Cress share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Alpine Rock-Cress

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Alpine Rock-Cress
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder’S-Mouth

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

Adder’S-Mouth

The Adder’S-Mouth (Malaxis bayardii) is a species in the genus Malaxis. It is currently classified as Critically Endangered on the IUCN Red List. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Canada 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:

🇨🇦 Canada 🇺🇸 United States