Alpine Bladder-fern vs Chihuahua Gray

Cystopteris alpina compared with Aphonopelma pallidum

Key Differences

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

Taxonomic Classification

Rank	Alpine Bladder-fern	Chihuahua Gray
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Arthropoda (Arthropods)
Class	Polypodiopsida (Polypodiopsida)	Arachnida (Arachnids)
Order	Polypodiales (Polypodiales)	Araneae (Araneae)
Family	Cystopteridaceae	Theraphosidae
Genus	Cystopteris	Aphonopelma
Species	Cystopteris alpina	Aphonopelma pallidum

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Chihuahua Gray

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Chihuahua Gray
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.

Chihuahua Gray

Habitat

Typically found in terrestrial habitats from forests to deserts.

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.

Chihuahua Gray

The Chihuahua Gray (Aphonopelma pallidum) is a species in the genus Aphonopelma. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.