Arctic grass vs Chalky Macoma

Arctagrostis latifolia compared with Macoma calcarea

Key Differences

• Arctic grass is Near Threatened while Chalky Macoma is Least Concern.

Taxonomic Classification

Rank	Arctic grass	Chalky Macoma
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Liliopsida (Monocots)	Bivalvia (Bivalvia)
Order	Poales (Grasses)	Cardiida (Cardiida)
Family	Poaceae (Grass Family)	Tellinidae
Genus	Arctagrostis	Macoma
Species	Arctagrostis latifolia	Macoma calcarea

Conservation Status

Arctic grass

NT — Near Threatened

Chalky Macoma

LC — Least Concern

Physical Characteristics

Attribute	Arctic grass	Chalky Macoma
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.

Chalky Macoma

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.

Chalky Macoma

The Chalky Macoma (Macoma calcarea) is a species in the genus Macoma. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden