Brook Floater vs Grey Milk-Cap

Alasmidonta varicosa compared with Lactarius vietus

Key Differences

• Brook Floater is Vulnerable while Grey Milk-Cap is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Grey Milk-Cap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Russulales (Russulales)
Family	Unionidae	Russulaceae
Genus	Alasmidonta	Lactarius
Species	Alasmidonta varicosa	Lactarius vietus

Conservation Status

Brook Floater

VU — Vulnerable

Grey Milk-Cap

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Grey Milk-Cap
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.

Grey Milk-Cap

Habitat

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

Range

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

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