Brook-Side Alder vs Spear-Leaved Willowherb

Alnus serrulata compared with Epilobium lanceolatum

Key Differences

• Brook-Side Alder is Least Concern while Spear-Leaved Willowherb is Near Threatened.

Taxonomic Classification

Rank	Brook-Side Alder	Spear-Leaved Willowherb
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Fagales (Beeches & Oaks)	Myrtales (Myrtales)
Family	Betulaceae	Onagraceae
Genus	Alnus	Epilobium
Species	Alnus serrulata	Epilobium lanceolatum

Evolutionary Relationship

Brook-Side Alder and Spear-Leaved Willowherb share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Brook-Side Alder

LC — Least Concern

Spear-Leaved Willowherb

NT — Near Threatened

Physical Characteristics

Attribute	Brook-Side Alder	Spear-Leaved Willowherb
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.

Spear-Leaved Willowherb

Habitat

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

Range

Distributed across Belgium, Norway, and Portugal. 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.