Alpine Pondweed vs Long-Stalked Pondweed

Potamogeton alpinus compared with Potamogeton praelongus

Key Differences

• Alpine Pondweed is Critically Endangered while Long-Stalked Pondweed is Extinct.

Taxonomic Classification

Rank	Alpine Pondweed	Long-Stalked Pondweed
Kingdom same	Plantae (tumbuhan)	Plantae (tumbuhan)
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 praelongus

Evolutionary Relationship

Alpine Pondweed and Long-Stalked Pondweed share a common ancestor at the Genus level: Potamogeton.

Conservation Status

Alpine Pondweed

CR — Critically Endangered

Long-Stalked Pondweed

EX — Extinct

Physical Characteristics

Attribute	Alpine Pondweed	Long-Stalked 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.

Long-Stalked Pondweed

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

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).

Shared Countries

Both species can be found in 8 countries:

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