Brook Floater vs

Alasmidonta varicosa compared with Phaeographis dendritica

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Lecanoromycetes (Lecanoromycetes)
Order	Unionida (Unionida)	Ostropales (Ostropales)
Family	Unionidae	Graphidaceae
Genus	Alasmidonta	Phaeographis
Species	Alasmidonta varicosa	Phaeographis dendritica

Conservation Status

Brook Floater

VU — Vulnerable

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 and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Colombia, Denmark, Norway, and Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Phaeographis dendritica is a corticolous crustose lichen forming pale to whitish patches on smooth bark with distinctive branched, dendritic lirellate apothecia. It inhabits humid, shaded temperate woodland, particularly old-growth forests in oceanic regions. Classified as Vulnerable, this species is threatened by habitat loss and the decline of ancient, undisturbed woodland ecosystems.