American Walnut vs Caucasian Alder

Juglans nigra compared with Alnus subcordata

Key Differences

• American Walnut is Not Evaluated while Caucasian Alder is Least Concern.

Taxonomic Classification

Rank	American Walnut	Caucasian Alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Fagales (Beeches & Oaks)	Fagales (Beeches & Oaks)
Family	Juglandaceae	Betulaceae
Genus	Juglans	Alnus
Species	Juglans nigra	Alnus subcordata

Evolutionary Relationship

American Walnut and Caucasian Alder share a common ancestor at the Order level: Fagales. (Beeches & Oaks)

Conservation Status

American Walnut

NE — Not Evaluated

Caucasian Alder

LC — Least Concern

Physical Characteristics

Attribute	American Walnut	Caucasian Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Walnut

Habitat

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

Range

Widely distributed across Asia (Armenia), Europe (19 countries), North America (Canada, Mexico, United States), and South America (Brazil).

Caucasian Alder

Habitat

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

American Walnut

The American Walnut (Juglans nigra) is a species in the genus Juglans. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Caucasian Alder

The Caucasian Alder (Alnus subcordata) 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.