Brook-Side Alder vs Cottony Willow

Alnus serrulata compared with Salix eriocephala

Key Differences

• Brook-Side Alder is Least Concern while Cottony Willow is Not Evaluated.

Taxonomic Classification

Rank	Brook-Side Alder	Cottony Willow
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Fagales (Beeches & Oaks)	Malpighiales (Malpighiales)
Family	Betulaceae	Salicaceae
Genus	Alnus	Salix
Species	Alnus serrulata	Salix eriocephala

Evolutionary Relationship

Brook-Side Alder and Cottony Willow share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Brook-Side Alder

LC — Least Concern

Cottony Willow

NE — Not Evaluated

Physical Characteristics

Attribute	Brook-Side Alder	Cottony Willow
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.

Cottony Willow

Habitat

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

Range

Found across Europe (10 countries) and North America (Canada, United States).

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 2 countries:

🇨🇦 Canada 🇺🇸 United States