Amur Brown Lemming vs Ray's Knotgrass

Lemmus amurensis compared with Polygonum oxyspermum

Key Differences

• Amur Brown Lemming is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Amur Brown 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	Lemmus	Polygonum
Species	Lemmus amurensis	Polygonum oxyspermum

Conservation Status

Amur Brown Lemming

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Amur Brown Lemming	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Brown 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.

Amur Brown Lemming

The Amur Brown Lemming (Lemmus amurensis) is a species in the genus Lemmus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.