Black Laceweaver vs Brittle Bladderfern

Amaurobius ferox compared with Cystopteris tenuis

Key Differences

• Black Laceweaver is Least Concern while Brittle Bladderfern is Not Evaluated.

Taxonomic Classification

Rank	Black Laceweaver	Brittle Bladderfern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Tracheophyta
Class	Arachnida (Arachnids)	Polypodiopsida (Polypodiopsida)
Order	Araneae (Araneae)	Polypodiales (Polypodiales)
Family	Amaurobiidae	Cystopteridaceae
Genus	Amaurobius	Cystopteris
Species	Amaurobius ferox	Cystopteris tenuis

Conservation Status

Black Laceweaver

LC — Least Concern

Brittle Bladderfern

NE — Not Evaluated

Physical Characteristics

Attribute	Black Laceweaver	Brittle Bladderfern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Laceweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Belgium, Canada, Denmark, Sweden, and United States.

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

Black Laceweaver

The Black Laceweaver (Amaurobius ferox) is a species in the genus Amaurobius. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.

Brittle Bladderfern

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

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇺🇸 United States