Brook Floater vs

Alasmidonta varicosa compared with Peronospora paula

Key Differences

• Brook Floater is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Mollusca (Mollusks)	Oomycota (Oomycetes)
Class	Bivalvia (Bivalvia)	Peronosporea (Peronosporea)
Order	Unionida (Unionida)	Peronosporales (Peronosporales)
Family	Unionidae	Peronosporaceae
Genus	Alasmidonta	Peronospora
Species	Alasmidonta varicosa	Peronospora paula

Conservation Status

Brook Floater

VU — Vulnerable

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Sweden.

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.

Peronospora paula is a downy mildew oomycete that parasitizes small herbaceous host plants, forming white to greyish sporulation on leaf undersides. This obligate biotrophic pathogen requires living host tissue to complete its complex life cycle, which includes both sexual and asexual reproduction. It is distributed in temperate regions across Europe and beyond where suitable hosts occur.