Alpen-Blasenfarn vs Brook Alder

Cystopteris alpina compared with Alnus maritima

Key Differences

• Alpen-Blasenfarn is Near Threatened while Brook Alder is Endangered.

Taxonomic Classification

Rank	Alpen-Blasenfarn	Brook Alder
Kingdom same	Plantae (Pflanzen)	Plantae (Pflanzen)
Phylum	Tracheophyta	Magnoliophyta (Flowering Plants)
Class	Polypodiopsida (Echte Farne)	Magnoliopsida (Dicots)
Order	Polypodiales (Tüpfelfarnartige)	Fagales (Buchenartige)
Family	Cystopteridaceae	Betulaceae
Genus	Cystopteris	Alnus
Species	Cystopteris alpina	Alnus maritima

Evolutionary Relationship

Alpen-Blasenfarn and Brook Alder share a common ancestor at the Kingdom level: Plantae. (Pflanzen)

Conservation Status

Alpen-Blasenfarn

NT — Near Threatened

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Alpen-Blasenfarn	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpen-Blasenfarn

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.

Brook Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alpen-Blasenfarn

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.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.