Brook Floater vs Buttonhead Pipewort

Alasmidonta varicosa compared with Eriocaulon heterolepis

Key Differences

• Brook Floater is Vulnerable while Buttonhead Pipewort is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Buttonhead Pipewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Liliopsida (Monocots)
Order	Unionida (Unionida)	Poales (Grasses)
Family	Unionidae	Eriocaulaceae
Genus	Alasmidonta	Eriocaulon
Species	Alasmidonta varicosa	Eriocaulon heterolepis

Conservation Status

Brook Floater

VU — Vulnerable

Buttonhead Pipewort

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Buttonhead Pipewort
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.

Buttonhead Pipewort

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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.

Buttonhead Pipewort

The Buttonhead Pipewort (Eriocaulon heterolepis) is a species in the genus Eriocaulon. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.