Calamus vs Cattail Grass

Acorus calamus compared with Setaria pumila

Taxonomic Classification

Rank	Calamus	Cattail 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 pumila

Evolutionary Relationship

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

Conservation Status

Calamus

LC — Least Concern

Cattail Grass

LC — Least Concern

Physical Characteristics

Attribute	Calamus	Cattail 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).

Cattail Grass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 5 distinct biome types spanning the Australasia and Afrotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Burundi, Guinea, Madagascar), Asia (Taiwan, Timor-Leste), Europe (18 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (10 countries), and South America (Brazil, Chile, Colombia).

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.

Cattail Grass

The Cattail Grass (Setaria pumila) is a species in the genus Setaria. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 5 distinct biome types spanning the Australasia and

Shared Countries

Both species can be found in 19 countries:

🇧🇪 Belgium 🇧🇬 Bulgaria 🇨🇦 Canada 🇨🇿 Czech Republic 🇩🇰 Denmark 🇫🇮 Finland 🇫🇷 France 🇩🇪 Germany 🇮🇪 Ireland 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇸🇰 Slovakia 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇦 Ukraine 🇬🇧 United Kingdom 🇺🇸 United States