Bitter Scalewort vs Black Laceweaver

Porella arboris-vitae compared with Amaurobius ferox

Key Differences

Bitter Scalewort is Vulnerable while Black Laceweaver is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Black Laceweaver
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Arthropoda (Arthropods)
Class	Jungermanniopsida (Jungermanniopsida)	Arachnida (Arachnids)
Order	Porellales (Porellales)	Araneae (Araneae)
Family	Porellaceae	Amaurobiidae
Genus	Porella	Amaurobius
Species	Porella arboris-vitae	Amaurobius ferox

Conservation Status

Bitter Scalewort

VU — Vulnerable

Black Laceweaver

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Black Laceweaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Scalewort

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Laceweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

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

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

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.