Alpine Bladder-fern vs Blistering Ammania

Cystopteris alpina compared with Ammannia baccifera

Key Differences

• Alpine Bladder-fern is Near Threatened while Blistering Ammania is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Blistering Ammania
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Tracheophyta	Magnoliophyta (Flowering Plants)
Class	Polypodiopsida (Polypodiopsida)	Magnoliopsida (Dicots)
Order	Polypodiales (Polypodiales)	Myrtales (Myrtales)
Family	Cystopteridaceae	Lythraceae
Genus	Cystopteris	Ammannia
Species	Cystopteris alpina	Ammannia baccifera

Evolutionary Relationship

Alpine Bladder-fern and Blistering Ammania share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Blistering Ammania

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Blistering Ammania
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

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

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Blistering Ammania

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and mangrove forests and coastal wetlands, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (5 countries), Europe (Greece, Italy, North Macedonia), and Oceania and the Pacific (Palau).

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Blistering Ammania

The Blistering Ammania (Ammannia baccifera) is a species in the genus Ammannia. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and mangrove forests and coastal wetlands, among 4 distinct biome types spanning the Indomalayan and Oceanian