Brook Floater vs Prototype quillwort

Alasmidonta varicosa compared with Isoetes prototypus

Key Differences

• Brook Floater is Vulnerable while Prototype quillwort is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Prototype quillwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Tracheophyta
Class	Bivalvia (Bivalvia)	Lycopodiopsida (Lycopodiopsida)
Order	Unionida (Unionida)	Isoetales (Isoetales)
Family	Unionidae	Isoetaceae
Genus	Alasmidonta	Isoetes
Species	Alasmidonta varicosa	Isoetes prototypus

Conservation Status

Brook Floater

VU — Vulnerable

Prototype quillwort

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Prototype quillwort
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.

Prototype quillwort

Habitat

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

Range

Found in Canada. 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.