Black Sober vs Narrowleaf knotweed

Anacampsis temerella compared with Polygonum bellardii

Key Differences

• Black Sober is Endangered while Narrowleaf knotweed is Not Evaluated.

Taxonomic Classification

Rank	Black Sober	Narrowleaf knotweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Caryophyllales (Caryophyllales)
Family	Gelechiidae	Polygonaceae
Genus	Anacampsis	Polygonum
Species	Anacampsis temerella	Polygonum bellardii

Conservation Status

Black Sober

EN — Endangered

Narrowleaf knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Black Sober	Narrowleaf knotweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Sober

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Narrowleaf knotweed

Habitat

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

Range

Widely distributed across Europe (12 countries), North America (United States), and Oceania and the Pacific (Australia).

Black Sober

The Black Sober (Anacampsis temerella) is a species in the genus Anacampsis. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden