Alpine Bladder-fern vs Colonial Pine

Cystopteris alpina compared with Araucaria cunninghamii

Key Differences

• Alpine Bladder-fern is Near Threatened while Colonial Pine is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Colonial Pine
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Tracheophyta	Coniferophyta (Conifers)
Class	Polypodiopsida (Polypodiopsida)	Pinopsida (Conifers)
Order	Polypodiales (Polypodiales)	Pinales (Pines & Allies)
Family	Cystopteridaceae	Araucariaceae
Genus	Cystopteris	Araucaria
Species	Cystopteris alpina	Araucaria cunninghamii

Evolutionary Relationship

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

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Colonial Pine

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Colonial Pine
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.

Colonial Pine

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Range

Distributed across Australia, India, Libya, and South Africa.

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.

Colonial Pine

<em>Araucaria cunninghamii</em>, the colonial pine or hoop pine, is a large coniferous tree in the ancient family Araucariaceae, native to Australia and also cultivated or naturalised in India, Libya, and South Africa. This species inhabits temperate and boreal forests at higher elevations, where it often forms a prominent emergent layer in subtropical and tropical rainforest communities in Queensland and New Guinea. Hoop pine is one of Australia's most commercially important softwood timber species, valued for its straight grain, durability, and workability. Trees can grow to considerable heights, with tall trunks characterised by horizontally spreading branch whorls that give the species a distinctive silhouette. <em>Araucaria cunninghamii</em> is assessed as Least Concern by the IUCN. The genus <em>Araucaria</em> has ancient origins, with fossil records extending to the Jurassic period, making it a living relic of Gondwanan flora. Seeds of hoop pine are consumed by birds and other fauna in its native range, contributing to limited seed dispersal. Biological traits of this species remain poorly documented in the scientific literature.