Sichel Wurmfarn vs Borstiger Schildfarn

Polystichum drepanum compared with Polystichum setiferum

Key Differences

• Sichel Wurmfarn is Critically Endangered while Borstiger Schildfarn is Near Threatened.

Taxonomic Classification

Rank	Sichel Wurmfarn	Borstiger Schildfarn
Kingdom same	Plantae (Pflanzen)	Plantae (Pflanzen)
Phylum same	Tracheophyta	Tracheophyta
Class same	Polypodiopsida (Echte Farne)	Polypodiopsida (Echte Farne)
Order same	Polypodiales (Tüpfelfarnartige)	Polypodiales (Tüpfelfarnartige)
Family same	Dryopteridaceae	Dryopteridaceae
Genus same	Polystichum	Polystichum
Species	Polystichum drepanum	Polystichum setiferum

Evolutionary Relationship

Sichel Wurmfarn and Borstiger Schildfarn share a common ancestor at the Genus level: Polystichum.

Conservation Status

Sichel Wurmfarn

CR — Critically Endangered

Borstiger Schildfarn

NT — Near Threatened

Physical Characteristics

Attribute	Sichel Wurmfarn	Borstiger Schildfarn
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Sichel Wurmfarn

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.

Borstiger Schildfarn

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 1 countries:

🇵🇹 Portugal