Crisp Pondweed vs Shetland Pondweed

Potamogeton crispus compared with Potamogeton rutilus

Key Differences

• Crisp Pondweed is Least Concern while Shetland Pondweed is Vulnerable.

Taxonomic Classification

Rank	Crisp Pondweed	Shetland 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 crispus	Potamogeton rutilus

Evolutionary Relationship

Crisp Pondweed and Shetland Pondweed share a common ancestor at the Genus level: Potamogeton.

Conservation Status

Crisp Pondweed

LC — Least Concern

Shetland Pondweed

VU — Vulnerable

Physical Characteristics

Attribute	Crisp Pondweed	Shetland Pondweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crisp Pondweed

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Widely distributed across Asia (Georgia, Taiwan), Europe (6 countries), North America (5 countries), Oceania and the Pacific (Fiji, Micronesia, New Zealand), and South America (Colombia).

Shetland Pondweed

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden