Calamus vs Flat-Stem Oat Grass

Acorus calamus compared with Danthonia compressa

Key Differences

• Calamus is Least Concern while Flat-Stem Oat Grass is Not Evaluated.

Taxonomic Classification

Rank	Calamus	Flat-Stem Oat Grass
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order	Acorales (Acorales)	Poales (Grasses)
Family	Acoraceae	Poaceae (Grass Family)
Genus	Acorus	Danthonia
Species	Acorus calamus	Danthonia compressa

Evolutionary Relationship

Calamus and Flat-Stem Oat Grass share a common ancestor at the Class level: Liliopsida. (Monocots)

Conservation Status

Calamus

LC — Least Concern

Flat-Stem Oat Grass

NE — Not Evaluated

Physical Characteristics

Attribute	Calamus	Flat-Stem Oat Grass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Calamus

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, United States).

Flat-Stem Oat Grass

Habitat

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

Range

Distributed across Canada and United States.

Calamus

The Calamus (Acorus calamus) is a species in the genus Acorus. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇺🇸 United States