Brittle Bladderfern vs Javan Rusa

Cystopteris tenuis compared with Rusa timorensis

Key Differences

• Brittle Bladderfern is Not Evaluated while Javan Rusa is Vulnerable.

Taxonomic Classification

Rank	Brittle Bladderfern	Javan Rusa
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Artiodactyla (Even-toed Ungulates)
Family	Cystopteridaceae	Cervidae (Deer)
Genus	Cystopteris	Rusa
Species	Cystopteris tenuis	Rusa timorensis

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Javan Rusa

VU — Vulnerable

Physical Characteristics

Attribute	Brittle Bladderfern	Javan Rusa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brittle Bladderfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Canada and United States.

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.