Brook Floater vs Brook-Side Feather-Moss

Alasmidonta varicosa compared with Hygroamblystegium fluviatile

Key Differences

Brook Floater is Vulnerable while Brook-Side Feather-Moss is Critically Endangered.

Taxonomic Classification

Rank	Brook Floater	Brook-Side Feather-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 fluviatile

Conservation Status

Brook Floater

VU — Vulnerable

Brook-Side Feather-Moss

CR — Critically Endangered

Physical Characteristics

Attribute	Brook Floater	Brook-Side Feather-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.

Brook-Side Feather-Moss

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Norway, Portugal, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brook-Side Feather-Moss

The Brook-Side Feather-Moss (Hygroamblystegium fluviatile) is a species in the genus Hygroamblystegium. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.