Brook Floater vs Changeable Rock-moss

Alasmidonta varicosa compared with Andreaea mutabilis

Key Differences

• Brook Floater is Vulnerable while Changeable Rock-moss is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Changeable Rock-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Bryophyta
Class	Bivalvia (Bivalvia)	Andreaeopsida (Andreaeopsida)
Order	Unionida (Unionida)	Andreaeales (Andreaeales)
Family	Unionidae	Andreaeaceae
Genus	Alasmidonta	Andreaea
Species	Alasmidonta varicosa	Andreaea mutabilis

Conservation Status

Brook Floater

VU — Vulnerable

Changeable Rock-moss

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Changeable Rock-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.

Changeable Rock-moss

Habitat

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

Range

Distributed across Norway, Sweden, and Taiwan.

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.

Changeable Rock-moss

The Changeable Rock-moss (Andreaea mutabilis) is a species in the genus Andreaea. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.