Black Ash vs Brook-Side Alder

Fraxinus nigra compared with Alnus serrulata

Key Differences

• Black Ash is Critically Endangered while Brook-Side Alder is Least Concern.

Taxonomic Classification

Rank	Black Ash	Brook-Side Alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Lamiales (Lamiales)	Fagales (Beeches & Oaks)
Family	Oleaceae	Betulaceae
Genus	Fraxinus	Alnus
Species	Fraxinus nigra	Alnus serrulata

Evolutionary Relationship

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

Conservation Status

Black Ash

CR — Critically Endangered

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Black Ash	Brook-Side Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Ash

Habitat

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

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

Black Ash

The Black Ash (Fraxinus nigra) is a species in the genus Fraxinus. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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