Brook Floater vs Pencil Cedar

Alasmidonta varicosa compared with Polyscias murrayi

Key Differences

• Brook Floater is Vulnerable while Pencil Cedar is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Pencil Cedar
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Mollusca (軟体動物)	Magnoliophyta (被子植物門)
Class	Bivalvia (二枚貝)	Magnoliopsida (モクレン綱)
Order	Unionida (イシガイ目)	Apiales (セリ目)
Family	Unionidae	Araliaceae
Genus	Alasmidonta	Polyscias
Species	Alasmidonta varicosa	Polyscias murrayi

Conservation Status

Brook Floater

VU — Vulnerable

Pencil Cedar

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Pencil Cedar
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.

Pencil Cedar

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.