Brook Floater vs Pine Needle Split

Alasmidonta varicosa compared with Lophodermium pinastri

Key Differences

• Brook Floater is Vulnerable while Pine Needle Split is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Pine Needle Split
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Leotiomycetes (Leotiomycetes)
Order	Unionida (Unionida)	Rhytismatales (Rhytismatales)
Family	Unionidae	Rhytismataceae
Genus	Alasmidonta	Lophodermium
Species	Alasmidonta varicosa	Lophodermium pinastri

Conservation Status

Brook Floater

VU — Vulnerable

Pine Needle Split

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Pine Needle Split
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.

Pine Needle Split

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States).

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States