Bermuda Maidenhair Fern vs

Adiantum bellum compared with Usnea cornuta

Key Differences

• Bermuda Maidenhair Fern is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Bermuda Maidenhair Fern
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Tracheophyta	Ascomycota (Sac Fungi)
Class	Polypodiopsida (Polypodiopsida)	Lecanoromycetes (Lecanoromycetes)
Order	Polypodiales (Polypodiales)	Lecanorales (Lecanorales)
Family	Pteridaceae	Parmeliaceae
Genus	Adiantum	Usnea
Species	Adiantum bellum	Usnea cornuta

Conservation Status

Bermuda Maidenhair Fern

LC — Least Concern

NT — Near Threatened

Physical Characteristics

Attribute	Bermuda Maidenhair Fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bermuda Maidenhair Fern

Habitat

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

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bermuda Maidenhair Fern

The Bermuda Maidenhair Fern (Adiantum bellum) is a species in the genus Adiantum. It is currently classified as Least Concern on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.