Calamus vs spurred threadwort

Acorus calamus compared with Cephaloziella elachista

Key Differences

• Calamus is Least Concern while spurred threadwort is Endangered.

Taxonomic Classification

Rank	Calamus	spurred threadwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Liliopsida (Monocots)	Jungermanniopsida (Jungermanniopsida)
Order	Acorales (Acorales)	Jungermanniales (Jungermanniales)
Family	Acoraceae	Cephaloziellaceae
Genus	Acorus	Cephaloziella
Species	Acorus calamus	Cephaloziella elachista

Evolutionary Relationship

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

Conservation Status

Calamus

LC — Least Concern

spurred threadwort

EN — Endangered

Physical Characteristics

Attribute	Calamus	spurred threadwort
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).

spurred threadwort

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as 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.

Shared Countries

Both species can be found in 5 countries:

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