Calamus vs Dark Stonewort

Acorus calamus compared with Nitella opaca

Taxonomic Classification

Rank	Calamus	Dark Stonewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Charophyta (Charophyta)
Class	Liliopsida (Monocots)	Charophyceae (Charophyceae)
Order	Acorales (Acorales)	Charales (Charales)
Family	Acoraceae	Characeae
Genus	Acorus	Nitella
Species	Acorus calamus	Nitella opaca

Evolutionary Relationship

Calamus and Dark Stonewort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Calamus

LC — Least Concern

Dark Stonewort

LC — Least Concern

Physical Characteristics

Attribute	Calamus	Dark Stonewort
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).

Dark Stonewort

Habitat

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

Range

Distributed across Brazil, Denmark, Norway, Sweden, 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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States