Brook Floater vs Yellow Map Lichen

Alasmidonta varicosa compared with Rhizocarpon geographicum

Key Differences

• Brook Floater is Vulnerable while Yellow Map Lichen is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Yellow Map Lichen
Kingdom	Animalia (hewan)	Fungi (Fungi)
Phylum	Mollusca (Moluska)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Lecanoromycetes (Lecanoromycetes)
Order	Unionida (Unionida)	Rhizocarpales (Rhizocarpales)
Family	Unionidae	Rhizocarpaceae
Genus	Alasmidonta	Rhizocarpon
Species	Alasmidonta varicosa	Rhizocarpon geographicum

Conservation Status

Brook Floater

VU — Vulnerable

Yellow Map Lichen

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Yellow Map 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.

Yellow Map Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

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