Brittle Bladderfern vs Calderon Gris

Cystopteris tenuis compared with Grampus griseus

Key Differences

• Brittle Bladderfern is Not Evaluated while Calderon Gris is Least Concern.

Taxonomic Classification

Rank	Brittle Bladderfern	Calderon Gris
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Cetacea (Whales & Dolphins)
Family	Cystopteridaceae	Delphinidae (Oceanic Dolphins)
Genus	Cystopteris	Grampus
Species	Cystopteris tenuis	Grampus griseus

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Calderon Gris

LC — Least Concern

Physical Characteristics

Attribute	Brittle Bladderfern	Calderon Gris
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.

Calderon Gris

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Brittle Bladderfern

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

Calderon Gris

The Calderon Gris (Grampus griseus) is a species in the genus Grampus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.