Boulder Lichen vs Brook Floater

Porpidia tuberculosa compared with Alasmidonta varicosa

Key Differences

• Boulder Lichen is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Boulder Lichen	Brook Floater
Kingdom	Fungi (грибы)	Animalia (животные)
Phylum	Ascomycota (аскомицеты)	Mollusca (моллюски)
Class	Lecanoromycetes (леканоромицеты)	Bivalvia (двустворчатые)
Order	Lecideales (Lecideales)	Unionida (Униониды)
Family	Lecideaceae	Unionidae
Genus	Porpidia	Alasmidonta
Species	Porpidia tuberculosa	Alasmidonta varicosa

Conservation Status

Boulder Lichen

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Boulder Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

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.

Boulder Lichen

The Boulder Lichen (Porpidia tuberculosa) is a species in the genus Porpidia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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