Bridge Roller vs floating crystalwort

Ancylis uncella compared with Riccia fluitans

Key Differences

• Bridge Roller is Least Concern while floating crystalwort is Near Threatened.

Taxonomic Classification

Rank	Bridge Roller	floating crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Marchantiopsida (Marchantiopsida)
Order	Lepidoptera (Butterflies & Moths)	Marchantiales (Marchantiales)
Family	Tortricidae	Ricciaceae
Genus	Ancylis	Riccia
Species	Ancylis uncella	Riccia fluitans

Conservation Status

Bridge Roller

LC — Least Concern

floating crystalwort

NT — Near Threatened

Physical Characteristics

Attribute	Bridge Roller	floating crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

floating crystalwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden