California alder vs Slender Stonewort

Alnus rhombifolia compared with Nitella gracilis

Key Differences

• California alder is Least Concern while Slender Stonewort is Vulnerable.

Taxonomic Classification

Rank	California alder	Slender Stonewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Charophyta (Charophyta)
Class	Magnoliopsida (Dicots)	Charophyceae (Charophyceae)
Order	Fagales (Beeches & Oaks)	Charales (Charales)
Family	Betulaceae	Characeae
Genus	Alnus	Nitella
Species	Alnus rhombifolia	Nitella gracilis

Evolutionary Relationship

California alder and Slender Stonewort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

California alder

LC — Least Concern

Slender Stonewort

VU — Vulnerable

Physical Characteristics

Attribute	California alder	Slender Stonewort
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.

Slender Stonewort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (Denmark, Norway, Sweden), North America (United States), and South America (Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.