Calamus vs dwarf rush

Acorus calamus compared with Juncus capitatus

Key Differences

Calamus is Least Concern while dwarf rush is Critically Endangered.

Taxonomic Classification

Rank	Calamus	dwarf rush
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	Juncaceae
Genus	Acorus	Juncus
Species	Acorus calamus	Juncus capitatus

Evolutionary Relationship

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

View Class: Liliopsida

Conservation Status

Calamus

LC — Least Concern

dwarf rush

CR — Critically Endangered

Physical Characteristics

Attribute	Calamus	dwarf rush
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).

dwarf rush

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 10 distinct biome types spanning the Afrotropic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Brazil, Chile). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.