California alder vs Hardhack

Alnus rhombifolia compared with Spiraea tomentosa

Key Differences

• California alder is Least Concern while Hardhack is Not Evaluated.

Taxonomic Classification

Rank	California alder	Hardhack
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Fagales (Beeches & Oaks)	Rosales (Roses & Allies)
Family	Betulaceae	Rosaceae (Rose Family)
Genus	Alnus	Spiraea
Species	Alnus rhombifolia	Spiraea tomentosa

Evolutionary Relationship

California alder and Hardhack share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

California alder

LC — Least Concern

Hardhack

NE — Not Evaluated

Physical Characteristics

Attribute	California alder	Hardhack
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

California alder

Habitat

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

Range

Found in Canada.

Hardhack

Habitat

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

Range

Found across Europe (9 countries) and North America (United States).

California alder

The California alder (Alnus rhombifolia) 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.