Brook Floater vs Smooth Pox Lichen

Alasmidonta varicosa compared with Pyrenula laevigata

Key Differences

• Brook Floater is Vulnerable while Smooth Pox Lichen is Extinct.

Taxonomic Classification

Rank	Brook Floater	Smooth Pox Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Eurotiomycetes (Eurotiomycetes)
Order	Unionida (Unionida)	Pyrenulales (Pyrenulales)
Family	Unionidae	Pyrenulaceae
Genus	Alasmidonta	Pyrenula
Species	Alasmidonta varicosa	Pyrenula laevigata

Conservation Status

Brook Floater

VU — Vulnerable

Smooth Pox Lichen

EX — Extinct

Physical Characteristics

Attribute	Brook Floater	Smooth Pox Lichen
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.

Smooth Pox Lichen

Habitat

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

Range

Distributed across Norway, Portugal, Sweden, and 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