Ajuga vs Brittle Bladderfern

Ajuga reptans compared with Cystopteris tenuis

Key Differences

• Ajuga is Endangered while Brittle Bladderfern is Not Evaluated.

Taxonomic Classification

Rank	Ajuga	Brittle Bladderfern
Kingdom same	Plantae (พืช)	Plantae (พืช)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (พืชใบเลี้ยงคู่)	Polypodiopsida (Polypodiopsida)
Order	Lamiales (อันดับกะเพรา)	Polypodiales (Polypodiales)
Family	Lamiaceae	Cystopteridaceae
Genus	Ajuga	Cystopteris
Species	Ajuga reptans	Cystopteris tenuis

Evolutionary Relationship

Ajuga and Brittle Bladderfern share a common ancestor at the Kingdom level: Plantae. (พืช)

Conservation Status

Ajuga

EN — Endangered

Brittle Bladderfern

NE — Not Evaluated

Physical Characteristics

Attribute	Ajuga	Brittle Bladderfern
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.

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

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.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇺🇸 United States