Brook-Side Alder vs Opposite Stonewort

Alnus serrulata compared with Chara contraria

Key Differences

• Brook-Side Alder is Least Concern while Opposite Stonewort is Near Threatened.

Taxonomic Classification

Rank	Brook-Side Alder	Opposite Stonewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Charophyta (Charophyta)
Class	Magnoliopsida (Dicots)	Charophyceae (Charophyceae)
Order	Fagales (Beeches & Oaks)	Charales (Charales)
Family	Betulaceae	Characeae
Genus	Alnus	Chara
Species	Alnus serrulata	Chara contraria

Evolutionary Relationship

Brook-Side Alder and Opposite Stonewort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Brook-Side Alder

LC — Least Concern

Opposite Stonewort

NT — Near Threatened

Physical Characteristics

Attribute	Brook-Side Alder	Opposite Stonewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

Opposite Stonewort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brook-Side Alder

The Brook-Side Alder (Alnus serrulata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States