Adder'S Tongue vs Least Adder's-tongue

Ophioglossum vulgatum compared with Ophioglossum lusitanicum

Key Differences

• Adder'S Tongue is Vulnerable while Least Adder's-tongue is Least Concern.

Taxonomic Classification

Rank	Adder'S Tongue	Least Adder's-tongue
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Tracheophyta	Tracheophyta
Class same	Polypodiopsida (Polypodiopsida)	Polypodiopsida (Polypodiopsida)
Order same	Ophioglossales (Ophioglossales)	Ophioglossales (Ophioglossales)
Family same	Ophioglossaceae	Ophioglossaceae
Genus same	Ophioglossum	Ophioglossum
Species	Ophioglossum vulgatum	Ophioglossum lusitanicum

Evolutionary Relationship

Adder'S Tongue and Least Adder's-tongue share a common ancestor at the Genus level: Ophioglossum.

Conservation Status

Adder'S Tongue

VU — Vulnerable

Least Adder's-tongue

LC — Least Concern

Physical Characteristics

Attribute	Adder'S Tongue	Least Adder's-tongue
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.

Least Adder's-tongue

Habitat

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

Range

Distributed across Norway and Portugal.

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal