Black Laceweaver vs Borrer's Saltmarsh-Grass

Amaurobius ferox compared with Puccinellia fasciculata

Key Differences

• Black Laceweaver is Least Concern while Borrer's Saltmarsh-Grass is Endangered.

Taxonomic Classification

Rank	Black Laceweaver	Borrer's Saltmarsh-Grass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Arachnida (Arachnids)	Liliopsida (Monocots)
Order	Araneae (Araneae)	Poales (Grasses)
Family	Amaurobiidae	Poaceae (Grass Family)
Genus	Amaurobius	Puccinellia
Species	Amaurobius ferox	Puccinellia fasciculata

Conservation Status

Black Laceweaver

LC — Least Concern

Borrer's Saltmarsh-Grass

EN — Endangered

Physical Characteristics

Attribute	Black Laceweaver	Borrer's Saltmarsh-Grass
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.

Borrer's Saltmarsh-Grass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Europe (Belgium, Norway, Sweden), North America (Canada), and Oceania and the Pacific (Australia). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Borrer's Saltmarsh-Grass

The Borrer's Saltmarsh-grass (Puccinellia fasciculata) is a species in the genus Puccinellia. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 5 distinct biome types within the Afrotropic biogeographic rea.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇸🇪 Sweden