Brook Floater vs Tangled Thread Moss

Alasmidonta varicosa compared with Hygroamblystegium varium

Key Differences

Brook Floater is Vulnerable while Tangled Thread Moss is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Tangled Thread Moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Bryophyta
Class	Bivalvia (Bivalvia)	Bryopsida (Bryopsida)
Order	Unionida (Unionida)	Hypnales (Hypnales)
Family	Unionidae	Amblystegiaceae
Genus	Alasmidonta	Hygroamblystegium
Species	Alasmidonta varicosa	Hygroamblystegium varium

Conservation Status

Brook Floater

VU — Vulnerable

Tangled Thread Moss

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Tangled Thread Moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

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

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Tangled Thread Moss

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.