Black Laceweaver vs Colonial Oak Sedge

Amaurobius ferox compared with Carex communis

Key Differences

• Black Laceweaver is Least Concern while Colonial Oak Sedge is Not Evaluated.

Taxonomic Classification

Rank	Black Laceweaver	Colonial Oak Sedge
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Arachnida (Arachnids)	Liliopsida (Monocots)
Order	Araneae (Araneae)	Poales (Grasses)
Family	Amaurobiidae	Cyperaceae
Genus	Amaurobius	Carex
Species	Amaurobius ferox	Carex communis

Conservation Status

Black Laceweaver

LC — Least Concern

Colonial Oak Sedge

NE — Not Evaluated

Physical Characteristics

Attribute	Black Laceweaver	Colonial Oak Sedge
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.

Colonial Oak Sedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Sweden 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.

Colonial Oak Sedge

<em>Carex communis</em>, the colonial oak sedge, is a perennial sedge in the family Cyperaceae occurring in Sweden and the United States. This species has not been evaluated by the IUCN. It typically forms tufted clumps in shaded woodland habitats, particularly beneath deciduous oak and mixed hardwood forest canopies, where it tolerates low light conditions and well-drained acidic soils. Colonial oak sedge occupies grasslands, wetlands, temperate forests, and cultivated landscapes, suggesting moderate habitat breadth within its range. As a member of the large and ecologically diverse genus <em>Carex</em>, this species plays a role in woodland ground-layer communities, providing microhabitat structure for invertebrates and small mammals. Sedges in general are important components of cool temperate ecosystems, contributing to soil stabilisation and organic matter cycling. <em>Carex communis</em> is wind-pollinated and reproduces both vegetatively through rhizome extension and sexually through seed production. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 2 countries:

🇸🇪 Sweden 🇺🇸 United States