Brook Floater vs Mesa Wart Lichen

Alasmidonta varicosa compared with Pertusaria subpertusa

Key Differences

• Brook Floater is Vulnerable while Mesa Wart Lichen is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Mesa Wart Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Lecanoromycetes (Lecanoromycetes)
Order	Unionida (Unionida)	Pertusariales (Pertusariales)
Family	Unionidae	Pertusariaceae
Genus	Alasmidonta	Pertusaria
Species	Alasmidonta varicosa	Pertusaria subpertusa

Conservation Status

Brook Floater

VU — Vulnerable

Mesa Wart Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Mesa Wart 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.

Mesa Wart Lichen

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway.

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.