Least Adder's-tongue vs Northern Adder'S-Tongue

Ophioglossum lusitanicum compared with Ophioglossum pusillum

Key Differences

• Least Adder's-tongue is Least Concern while Northern Adder'S-Tongue is Not Evaluated.

Taxonomic Classification

Rank	Least Adder's-tongue	Northern 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 lusitanicum	Ophioglossum pusillum

Evolutionary Relationship

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

Conservation Status

Least Adder's-tongue

LC — Least Concern

Northern Adder'S-Tongue

NE — Not Evaluated

Physical Characteristics

Attribute	Least Adder's-tongue	Northern Adder'S-Tongue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Least Adder's-tongue

Habitat

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

Range

Distributed across Norway and Portugal.

Northern Adder'S-Tongue

Habitat

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

Range

Distributed across Canada, France, and United States.