Adder'S Tongue vs Small Adder's-Tongue

Ophioglossum vulgatum compared with Ophioglossum azoricum

Key Differences

• Adder'S Tongue is Vulnerable while Small Adder's-Tongue is Critically Endangered.

Taxonomic Classification

Rank	Adder'S Tongue	Small Adder's-Tongue
Kingdom same	Plantae (พืช)	Plantae (พืช)
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 azoricum

Evolutionary Relationship

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

Conservation Status

Adder'S Tongue

VU — Vulnerable

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	Adder'S Tongue	Small 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.

Small Adder's-Tongue

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Iceland, Norway, Portugal, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden