Birch Milkcap vs Brook Floater

Lactarius tabidus compared with Alasmidonta varicosa

Key Differences

Birch Milkcap is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Birch Milkcap	Brook Floater
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Mollusca (Mollusks)
Class	Agaricomycetes (Mushrooms)	Bivalvia (Bivalvia)
Order	Russulales (Russulales)	Unionida (Unionida)
Family	Russulaceae	Unionidae
Genus	Lactarius	Alasmidonta
Species	Lactarius tabidus	Alasmidonta varicosa

Conservation Status

Birch Milkcap

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Birch Milkcap	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Milkcap

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, 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.

Birch Milkcap

The Birch Milkcap (Lactarius tabidus) is a species in the genus Lactarius. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

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.