Arctic grass vs Diatom

Arctagrostis latifolia compared with Coscinodiscus wailesii

Key Differences

• Arctic grass is Near Threatened while Diatom is Not Evaluated.

Taxonomic Classification

Rank	Arctic grass	Diatom
Kingdom	Plantae (Plants)	Chromista (Chromista)
Phylum	Magnoliophyta (Flowering Plants)	Ochrophyta (Ochrophyta)
Class	Liliopsida (Monocots)	Bacillariophyceae (Bacillariophyceae)
Order	Poales (Grasses)	Coscinodiscales (Coscinodiscales)
Family	Poaceae (Grass Family)	Coscinodiscaceae
Genus	Arctagrostis	Coscinodiscus
Species	Arctagrostis latifolia	Coscinodiscus wailesii

Conservation Status

Arctic grass

NT — Near Threatened

Diatom

NE — Not Evaluated

Physical Characteristics

Attribute	Arctic grass	Diatom
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Diatom

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (10 countries), North America (Mexico, United States), and South America (Argentina, Brazil).

Arctic grass

The Arctic grass (Arctagrostis latifolia) is a species in the genus Arctagrostis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden