Alpine Bladder-fern vs Black Bent

Cystopteris alpina compared with Agrostis gigantea

Key Differences

• Alpine Bladder-fern is Near Threatened while Black Bent is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Black Bent
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Tracheophyta	Magnoliophyta (Flowering Plants)
Class	Polypodiopsida (Polypodiopsida)	Liliopsida (Monocots)
Order	Polypodiales (Polypodiales)	Poales (Grasses)
Family	Cystopteridaceae	Poaceae (Grass Family)
Genus	Cystopteris	Agrostis
Species	Cystopteris alpina	Agrostis gigantea

Evolutionary Relationship

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

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Black Bent

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Black Bent
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.

Black Bent

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (11 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries).

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.

Black Bent

The Black Bent (Agrostis gigantea) is a species in the genus Agrostis. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden