Ajuga vs Small Adder's-Tongue

Ajuga reptans compared with Ophioglossum azoricum

Key Differences

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

Taxonomic Classification

Rank	Ajuga	Small Adder's-Tongue
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Polypodiopsida (Polypodiopsida)
Order	Lamiales (Lamiales)	Ophioglossales (Ophioglossales)
Family	Lamiaceae	Ophioglossaceae
Genus	Ajuga	Ophioglossum
Species	Ajuga reptans	Ophioglossum azoricum

Evolutionary Relationship

Ajuga and Small Adder's-Tongue share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Ajuga

EN — Endangered

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	Ajuga	Small Adder's-Tongue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ajuga

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil, Colombia). Currently classified as Endangered 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.

Ajuga

The Ajuga (Ajuga reptans) is a species in the genus Ajuga. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 11 distinct biome types. Populations are also found in montane and highland environment.

Shared Countries

Both species can be found in 4 countries:

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