Black-Staining Polypore vs Brook Floater

Meripilus sumstinei compared with Alasmidonta varicosa

Key Differences

• Black-Staining Polypore is Not Evaluated while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Black-Staining Polypore	Brook Floater
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Mollusca (Mollusks)
Class	Agaricomycetes (Mushrooms)	Bivalvia (Bivalvia)
Order	Polyporales (Polyporales)	Unionida (Unionida)
Family	Meripilaceae	Unionidae
Genus	Meripilus	Alasmidonta
Species	Meripilus sumstinei	Alasmidonta varicosa

Conservation Status

Black-Staining Polypore

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Black-Staining Polypore	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Staining Polypore

Habitat

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

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.

Black-Staining Polypore

The Black-Staining Polypore (Meripilus sumstinei) is a species in the genus Meripilus. 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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States