Ajuga vs Bladder Fern

Ajuga reptans compared with Cystopteris fragilis

Key Differences

• Ajuga is Endangered while Bladder Fern is Not Evaluated.

Taxonomic Classification

Rank	Ajuga	Bladder Fern
Kingdom same	Plantae (पादप)	Plantae (पादप)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (मैग्नोलियोप्सीडा)	Polypodiopsida (Polypodiopsida)
Order	Lamiales (Lamiales)	Polypodiales (Polypodiales)
Family	Lamiaceae	Cystopteridaceae
Genus	Ajuga	Cystopteris
Species	Ajuga reptans	Cystopteris fragilis

Evolutionary Relationship

Ajuga and Bladder Fern share a common ancestor at the Kingdom level: Plantae. (पादप)

Conservation Status

Ajuga

EN — Endangered

Bladder Fern

NE — Not Evaluated

Physical Characteristics

Attribute	Ajuga	Bladder Fern
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.

Bladder Fern

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

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.

Bladder Fern

The Bladder Fern (Cystopteris fragilis) 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 7 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States