Brook Alder vs Threeleaf Halberd Fern

Alnus maritima compared with Tectaria trifoliata

Key Differences

• Brook Alder is Endangered while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Brook Alder

EN — Endangered

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Brook Alder

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.