Calamus vs River Bristle-moss

Acorus calamus compared with Orthotrichum rivulare

Key Differences

• Calamus is Least Concern while River Bristle-moss is Endangered.

Taxonomic Classification

Rank	Calamus	River Bristle-moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Bryophyta
Class	Liliopsida (Monocots)	Bryopsida (Bryopsida)
Order	Acorales (Acorales)	Orthotrichales (Orthotrichales)
Family	Acoraceae	Orthotrichaceae
Genus	Acorus	Orthotrichum
Species	Acorus calamus	Orthotrichum rivulare

Evolutionary Relationship

Calamus and River Bristle-moss share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Calamus

LC — Least Concern

River Bristle-moss

EN — Endangered

Physical Characteristics

Attribute	Calamus	River Bristle-moss
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).

River Bristle-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Luxembourg and Norway. 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 2 countries:

🇱🇺 Luxembourg 🇳🇴 Norway