Black Laceweaver vs Rock Foam

Amaurobius ferox compared with Stereocaulon saxatile

Key Differences

• Black Laceweaver is Least Concern while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Black Laceweaver	Rock Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Arachnida (Arachnids)	Lecanoromycetes (Lecanoromycetes)
Order	Araneae (Araneae)	Lecanorales (Lecanorales)
Family	Amaurobiidae	Stereocaulaceae
Genus	Amaurobius	Stereocaulon
Species	Amaurobius ferox	Stereocaulon saxatile

Conservation Status

Black Laceweaver

LC — Least Concern

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Black Laceweaver	Rock Foam
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.

Rock Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇸🇪 Sweden 🇺🇸 United States