Blue Bugle vs Brittle Bladderfern

Ajuga genevensis compared with Cystopteris tenuis

Key Differences

• Blue Bugle is Critically Endangered while Brittle Bladderfern is Not Evaluated.

Taxonomic Classification

Rank	Blue Bugle	Brittle Bladderfern
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Polypodiopsida (Polypodiopsida)
Order	Lamiales (Lamiales)	Polypodiales (Polypodiales)
Family	Lamiaceae	Cystopteridaceae
Genus	Ajuga	Cystopteris
Species	Ajuga genevensis	Cystopteris tenuis

Evolutionary Relationship

Blue Bugle and Brittle Bladderfern share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Blue Bugle

CR — Critically Endangered

Brittle Bladderfern

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Bugle	Brittle Bladderfern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Bugle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Uzbekistan), Europe (7 countries), and North America (Canada, United States). Currently classified as Critically 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.

Blue Bugle

The Blue Bugle (Ajuga genevensis) is a species in the genus Ajuga. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also fo

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