Wasserknöterich vs Floh-Knöterich

Persicaria amphibia compared with Persicaria maculosa

Taxonomic Classification

Rank	Wasserknöterich	Floh-Knöterich
Kingdom same	Plantae (Pflanzen)	Plantae (Pflanzen)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Caryophyllales (Nelkenartige)	Caryophyllales (Nelkenartige)
Family same	Polygonaceae	Polygonaceae
Genus same	Persicaria	Persicaria
Species	Persicaria amphibia	Persicaria maculosa

Evolutionary Relationship

Wasserknöterich and Floh-Knöterich share a common ancestor at the Genus level: Persicaria.

Conservation Status

Wasserknöterich

LC — Least Concern

Floh-Knöterich

LC — Least Concern

Physical Characteristics

Attribute	Wasserknöterich	Floh-Knöterich
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Wasserknöterich

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (8 countries) and North America (Mexico, United States).

Floh-Knöterich

Habitat

Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Bangladesh, Taiwan), Europe (10 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (4 countries).

Wasserknöterich

The Amphibious Bistort (Persicaria amphibia) is a species in the genus Persicaria. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇧🇬 Bulgaria 🇩🇰 Denmark 🇫🇮 Finland 🇫🇷 France 🇮🇸 Iceland 🇲🇽 Mexico 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States