Blackstem Spleenwort vs Brook Alder

Asplenium resiliens compared with Alnus maritima

Key Differences

• Blackstem Spleenwort is Not Evaluated while Brook Alder is Endangered.

Taxonomic Classification

Rank	Blackstem Spleenwort	Brook Alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Tracheophyta	Magnoliophyta (Flowering Plants)
Class	Polypodiopsida (Polypodiopsida)	Magnoliopsida (Dicots)
Order	Polypodiales (Polypodiales)	Fagales (Beeches & Oaks)
Family	Aspleniaceae	Betulaceae
Genus	Asplenium	Alnus
Species	Asplenium resiliens	Alnus maritima

Evolutionary Relationship

Blackstem Spleenwort and Brook Alder share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Blackstem Spleenwort

NE — Not Evaluated

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Blackstem Spleenwort	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackstem Spleenwort

Habitat

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

Range

Distributed across Brazil, Colombia, and United States.

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.

Blackstem Spleenwort

The Blackstem Spleenwort (Asplenium resiliens) is a species in the genus Asplenium. Typically found in moist, shaded forest floors and tropical canopies.

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.