Bottle Brush Shield Lichen vs Brook Floater

Parmelia squarrosa compared with Alasmidonta varicosa

Key Differences

Bottle Brush Shield Lichen is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Bottle Brush Shield Lichen	Brook Floater
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Mollusca (Mollusks)
Class	Lecanoromycetes (Lecanoromycetes)	Bivalvia (Bivalvia)
Order	Lecanorales (Lecanorales)	Unionida (Unionida)
Family	Parmeliaceae	Unionidae
Genus	Parmelia	Alasmidonta
Species	Parmelia squarrosa	Alasmidonta varicosa

Conservation Status

Bottle Brush Shield Lichen

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Bottle Brush Shield Lichen	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bottle Brush Shield Lichen

Habitat

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

Range

Distributed across Norway 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.

Bottle Brush Shield Lichen

The Bottle Brush Shield Lichen (Parmelia squarrosa) is a species in the genus Parmelia. 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.