Alpine Bladder-fern vs Calamus

Cystopteris alpina compared with Acorus calamus

Key Differences

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

Taxonomic Classification

Rank	Alpine Bladder-fern	Calamus
Kingdom same	Plantae (растения)	Plantae (растения)
Phylum	Tracheophyta	Magnoliophyta (магнолиофиты)
Class	Polypodiopsida (папоротниковые)	Liliopsida (лилиопсиды)
Order	Polypodiales (многоножковые)	Acorales (Аироцветные)
Family	Cystopteridaceae	Acoraceae
Genus	Cystopteris	Acorus
Species	Cystopteris alpina	Acorus calamus

Evolutionary Relationship

Alpine Bladder-fern and Calamus share a common ancestor at the Kingdom level: Plantae. (растения)

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Calamus

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Calamus
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.

Calamus

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, United States).

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.

Calamus

The Calamus (Acorus calamus) is a species in the genus Acorus. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan 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