Brook Floater vs Grapevine Downy Mildew

Alasmidonta varicosa compared with Plasmopara viticola

Key Differences

Brook Floater is Vulnerable while Grapevine Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Grapevine Downy Mildew
Kingdom	Animalia (animal)	Chromista (Chromista)
Phylum	Mollusca (mollusques)	Oomycota (Oomycetes)
Class	Bivalvia (Bivalvia)	Peronosporea (Peronosporea)
Order	Unionida (Unionoida)	Peronosporales (Peronosporales)
Family	Unionidae	Peronosporaceae
Genus	Alasmidonta	Plasmopara
Species	Alasmidonta varicosa	Plasmopara viticola

Conservation Status

Brook Floater

VU — Vulnerable

Grapevine Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Grapevine Downy Mildew
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.

Grapevine Downy Mildew

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (13 countries), North America (United States), and South America (Brazil).

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.