Caucasian Alder vs Threeleaf Halberd Fern

Alnus subcordata compared with Tectaria trifoliata

Key Differences

• Caucasian Alder is Least Concern while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	Caucasian 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 subcordata	Tectaria trifoliata

Evolutionary Relationship

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

Conservation Status

Caucasian Alder

LC — Least Concern

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	Caucasian Alder	Threeleaf Halberd Fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Alder

Habitat

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

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.

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.