Calamus vs Knotroot Bristle Grass

Acorus calamus compared with Setaria parviflora

Key Differences

• Calamus is Least Concern while Knotroot Bristle Grass is Not Evaluated.

Taxonomic Classification

Rank	Calamus	Knotroot Bristle 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	Setaria
Species	Acorus calamus	Setaria parviflora

Evolutionary Relationship

Calamus and Knotroot Bristle Grass share a common ancestor at the Class level: Liliopsida. (Monocots)

Conservation Status

Calamus

LC — Least Concern

Knotroot Bristle Grass

NE — Not Evaluated

Physical Characteristics

Attribute	Calamus	Knotroot Bristle 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).

Knotroot Bristle Grass

Habitat

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

Range

Widely distributed across Africa (Algeria, Congo (DRC), South Africa), Asia (7 countries), Europe (11 countries), North America (5 countries), Oceania and the Pacific (4 countries), and South America (6 countries).

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 12 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇮🇹 Italy 🇳🇱 Netherlands 🇳🇴 Norway 🇿🇦 South Africa 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇬🇧 United Kingdom 🇺🇸 United States