Arctic lemming vs Ray's Knotgrass

Dicrostonyx torquatus compared with Polygonum oxyspermum

Key Differences

• Arctic lemming is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Cricetidae	Polygonaceae
Genus	Dicrostonyx	Polygonum
Species	Dicrostonyx torquatus	Polygonum oxyspermum

Conservation Status

Arctic lemming

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray's Knotgrass

Habitat

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

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.

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.