Alpine Pondweed vs Alpine Rock-Cress

Potamogeton alpinus compared with Arabis alpina

Key Differences

• Alpine Pondweed is Critically Endangered while Alpine Rock-Cress is Least Concern.

Taxonomic Classification

Rank	Alpine Pondweed	Alpine Rock-Cress
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Alismatales (Alismatales)	Brassicales (Brassicales)
Family	Potamogetonaceae	Brassicaceae
Genus	Potamogeton	Arabis
Species	Potamogeton alpinus	Arabis alpina

Evolutionary Relationship

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

Conservation Status

Alpine Pondweed

CR — Critically Endangered

Alpine Rock-Cress

LC — Least Concern

Physical Characteristics

Attribute	Alpine Pondweed	Alpine Rock-Cress
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Pondweed

Habitat

Inhabits temperate broadleaf and mixed forests and boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (Canada, 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).

Alpine Pondweed

The Alpine Pondweed (Potamogeton alpinus) is a species in the genus Potamogeton. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations. Found across Europe (6 countries) and North America (Canada, 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 7 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇩🇰 Denmark 🇮🇸 Iceland 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States