Brook Floater vs Streamside Swordfern

Alasmidonta varicosa compared with Nephrolepis rivularis

Key Differences

• Brook Floater is Vulnerable while Streamside Swordfern is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Streamside Swordfern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Tracheophyta
Class	Bivalvia (Bivalvia)	Polypodiopsida (Polypodiopsida)
Order	Unionida (Unionida)	Polypodiales (Polypodiales)
Family	Unionidae	Nephrolepidaceae
Genus	Alasmidonta	Nephrolepis
Species	Alasmidonta varicosa	Nephrolepis rivularis

Conservation Status

Brook Floater

VU — Vulnerable

Streamside Swordfern

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Streamside Swordfern
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.

Streamside Swordfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba.

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.