Brook Floater vs Winter Stalk Puffball

Alasmidonta varicosa compared with Tulostoma brumale

Key Differences

Brook Floater is Vulnerable while Winter Stalk Puffball is Endangered.

Taxonomic Classification

Rank	Brook Floater	Winter Stalk Puffball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Agaricales (Gilled Mushrooms)
Family	Unionidae	Agaricaceae (Agarics)
Genus	Alasmidonta	Tulostoma
Species	Alasmidonta varicosa	Tulostoma brumale

Conservation Status

Brook Floater

VU — Vulnerable

Winter Stalk Puffball

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Winter Stalk Puffball
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.

Winter Stalk Puffball

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). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.