Alpine Bladder-fern vs bull-oak

Cystopteris alpina compared with Allocasuarina fraseriana

Key Differences

• Alpine Bladder-fern is Near Threatened while bull-oak is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	bull-oak
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Tracheophyta	Magnoliophyta (Flowering Plants)
Class	Polypodiopsida (Polypodiopsida)	Magnoliopsida (Dicots)
Order	Polypodiales (Polypodiales)	Fagales (Beeches & Oaks)
Family	Cystopteridaceae	Casuarinaceae
Genus	Cystopteris	Allocasuarina
Species	Cystopteris alpina	Allocasuarina fraseriana

Evolutionary Relationship

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

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

bull-oak

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	bull-oak
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.

bull-oak

Habitat

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

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.

bull-oak

The bull-oak (Allocasuarina fraseriana) is a species in the genus Allocasuarina. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.