Calamus vs Threeleaf Halberd Fern

Acorus calamus compared with Tectaria trifoliata

Key Differences

• Calamus is Least Concern while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	Calamus	Threeleaf Halberd Fern
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Liliopsida (Monocots)	Polypodiopsida (Polypodiopsida)
Order	Acorales (Acorales)	Polypodiales (Polypodiales)
Family	Acoraceae	Tectariaceae
Genus	Acorus	Tectaria
Species	Acorus calamus	Tectaria trifoliata

Evolutionary Relationship

Calamus and Threeleaf Halberd Fern share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Calamus

LC — Least Concern

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	Calamus	Threeleaf Halberd Fern
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).

Threeleaf Halberd Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.