vs Brook Floater

Botryotinia calthae compared with Alasmidonta varicosa

Key Differences

• is Not Evaluated while Brook Floater is Vulnerable.

Taxonomic Classification

Rank		Brook Floater
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Mollusca (Mollusks)
Class	Leotiomycetes (Leotiomycetes)	Bivalvia (Bivalvia)
Order	Helotiales (Helotiales)	Unionida (Unionida)
Family	Sclerotiniaceae	Unionidae
Genus	Botryotinia	Alasmidonta
Species	Botryotinia calthae	Alasmidonta varicosa

Conservation Status

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute		Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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.

Botryotinia calthae is an ascomycete fungus in the family Sclerotiniaceae, the sexual stage of a Botrytis-like pathogen that infects marsh marigold (Caltha palustris) in wetland habitats. It forms sclerotia in infected plant tissue that persist in soil to initiate future infections. As a necrotrophic pathogen, it kills host tissue and then feeds on the resulting dead material.

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.