Black Laceweaver vs cavernous crystalwort

Amaurobius ferox compared with Riccia cavernosa

Key Differences

• Black Laceweaver is Least Concern while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	Black Laceweaver	cavernous crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Arachnida (Arachnids)	Marchantiopsida (Marchantiopsida)
Order	Araneae (Araneae)	Marchantiales (Marchantiales)
Family	Amaurobiidae	Ricciaceae
Genus	Amaurobius	Riccia
Species	Amaurobius ferox	Riccia cavernosa

Conservation Status

Black Laceweaver

LC — Least Concern

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	Black Laceweaver	cavernous crystalwort
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.

cavernous crystalwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). 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.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden 🇺🇸 United States