Alpine Pondweed vs American Pondweed

Potamogeton alpinus compared with Potamogeton epihydrus

Key Differences

• Alpine Pondweed is Critically Endangered while American Pondweed is Least Concern.

Taxonomic Classification

Rank	Alpine Pondweed	American Pondweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order same	Alismatales (Alismatales)	Alismatales (Alismatales)
Family same	Potamogetonaceae	Potamogetonaceae
Genus same	Potamogeton	Potamogeton
Species	Potamogeton alpinus	Potamogeton epihydrus

Evolutionary Relationship

Alpine Pondweed and American Pondweed share a common ancestor at the Genus level: Potamogeton.

Conservation Status

Alpine Pondweed

CR — Critically Endangered

American Pondweed

LC — Least Concern

Physical Characteristics

Attribute	Alpine Pondweed	American Pondweed
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.

American Pondweed

Habitat

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

Range

Found across Europe (5 countries) and North America (Canada, United States).

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).

American Pondweed

The American Pondweed (Potamogeton epihydrus) is a species in the genus Potamogeton. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇳🇴 Norway 🇺🇸 United States