Brook Floater vs Tiny Earthstar

Alasmidonta varicosa compared with Geastrum minimum

Key Differences

Brook Floater is Vulnerable while Tiny Earthstar is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Tiny Earthstar
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Geastrales (Geastrales)
Family	Unionidae	Geastraceae
Genus	Alasmidonta	Geastrum
Species	Alasmidonta varicosa	Geastrum minimum

Conservation Status

Brook Floater

VU — Vulnerable

Tiny Earthstar

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Tiny Earthstar
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.

Tiny Earthstar

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.