Brittle Bladderfern vs bull-oak

Cystopteris tenuis compared with Allocasuarina fraseriana

Key Differences

• Brittle Bladderfern is Not Evaluated while bull-oak is Least Concern.

Taxonomic Classification

Rank	Brittle Bladderfern	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 tenuis	Allocasuarina fraseriana

Evolutionary Relationship

Brittle Bladderfern and bull-oak share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

bull-oak

LC — Least Concern

Physical Characteristics

Attribute	Brittle Bladderfern	bull-oak
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.

bull-oak

Habitat

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

Brittle Bladderfern

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

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.