California alder vs Threeleaf Halberd Fern

Alnus rhombifolia compared with Tectaria trifoliata

Key Differences

• California alder is Least Concern while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	California alder	Threeleaf Halberd Fern
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Polypodiopsida (Polypodiopsida)
Order	Fagales (Beeches & Oaks)	Polypodiales (Polypodiales)
Family	Betulaceae	Tectariaceae
Genus	Alnus	Tectaria
Species	Alnus rhombifolia	Tectaria trifoliata

Evolutionary Relationship

California alder and Threeleaf Halberd Fern share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

California alder

LC — Least Concern

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	California alder	Threeleaf Halberd Fern
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.

Threeleaf Halberd Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.