Madeira Filmy Fern vs St Helena Filmy Fern

Hymenophyllum maderense compared with Hymenophyllum capillaceum

Key Differences

• Madeira Filmy Fern is Critically Endangered while St Helena Filmy Fern is Endangered.

Taxonomic Classification

Rank	Madeira Filmy Fern	St Helena Filmy Fern
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum same	Tracheophyta	Tracheophyta
Class same	Polypodiopsida (Lớp Dương xỉ)	Polypodiopsida (Lớp Dương xỉ)
Order same	Hymenophyllales (Hymenophyllales)	Hymenophyllales (Hymenophyllales)
Family same	Hymenophyllaceae	Hymenophyllaceae
Genus same	Hymenophyllum	Hymenophyllum
Species	Hymenophyllum maderense	Hymenophyllum capillaceum

Evolutionary Relationship

Madeira Filmy Fern and St Helena Filmy Fern share a common ancestor at the Genus level: Hymenophyllum.

Conservation Status

Madeira Filmy Fern

CR — Critically Endangered

St Helena Filmy Fern

EN — Endangered

Physical Characteristics

Attribute	Madeira Filmy Fern	St Helena Filmy Fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Madeira Filmy Fern

Habitat

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

Range

Found in Portugal. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

St Helena Filmy Fern

Habitat

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