Amphibious Bistort vs Nepal Knotweed

Persicaria amphibia compared with Persicaria nepalensis

Key Differences

• Amphibious Bistort is Least Concern while Nepal Knotweed is Not Evaluated.

Taxonomic Classification

Rank	Amphibious Bistort	Nepal Knotweed
Kingdom same	Plantae (พืช)	Plantae (พืช)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (พืชใบเลี้ยงคู่)	Magnoliopsida (พืชใบเลี้ยงคู่)
Order same	Caryophyllales (อันดับคาร์เนชัน)	Caryophyllales (อันดับคาร์เนชัน)
Family same	Polygonaceae	Polygonaceae
Genus same	Persicaria	Persicaria
Species	Persicaria amphibia	Persicaria nepalensis

Evolutionary Relationship

Amphibious Bistort and Nepal Knotweed share a common ancestor at the Genus level: Persicaria.

Conservation Status

Amphibious Bistort

LC — Least Concern

Nepal Knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Amphibious Bistort	Nepal Knotweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amphibious Bistort

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).

Nepal Knotweed

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Malaysia, Taiwan, Timor-Leste), Europe (6 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Papua New Guinea), and South America (Colombia, Venezuela).

Amphibious Bistort

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 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇲🇽 Mexico 🇸🇪 Sweden 🇺🇸 United States