Japanese Weasel vs square-stemmed willowherb

Mustela itatsi compared with Epilobium tetragonum

Key Differences

• Japanese Weasel is Near Threatened while square-stemmed willowherb is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	square-stemmed willowherb
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Carnivora (Carnivorans)	Myrtales (Myrtales)
Family	Mustelidae (Weasels & Otters)	Onagraceae
Genus	Mustela	Epilobium
Species	Mustela itatsi	Epilobium tetragonum

Conservation Status

Japanese Weasel

NT — Near Threatened

square-stemmed willowherb

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	square-stemmed willowherb
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

square-stemmed willowherb

Habitat

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

Range

Widely distributed across Europe (8 countries), North America (Canada), and Oceania and the Pacific (Australia).