Adder'S Tongue vs Calamus

Ophioglossum vulgatum compared with Acorus calamus

Key Differences

• Adder'S Tongue is Vulnerable while Calamus is Least Concern.

Taxonomic Classification

Rank	Adder'S Tongue	Calamus
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Tracheophyta	Magnoliophyta (Flowering Plants)
Class	Polypodiopsida (Polypodiopsida)	Liliopsida (Monocots)
Order	Ophioglossales (Ophioglossales)	Acorales (Acorales)
Family	Ophioglossaceae	Acoraceae
Genus	Ophioglossum	Acorus
Species	Ophioglossum vulgatum	Acorus calamus

Evolutionary Relationship

Adder'S Tongue and Calamus share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Adder'S Tongue

VU — Vulnerable

Calamus

LC — Least Concern

Physical Characteristics

Attribute	Adder'S Tongue	Calamus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder'S Tongue

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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).

Adder'S Tongue

The Adder'S Tongue (Ophioglossum vulgatum) is a species in the genus Ophioglossum. It is currently classified as Vulnerable on the IUCN Red List. This species inhabits Typically found in moist, shaded forest floors and tropical canopies, found across Belgium, Colombia, Denmark, Norway, and Portugal.

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