Gelappter Schildfarn vs Sichel Wurmfarn

Polystichum aculeatum compared with Polystichum drepanum

Key Differences

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

Taxonomic Classification

Rank	Gelappter Schildfarn	Sichel Wurmfarn
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 aculeatum	Polystichum drepanum

Evolutionary Relationship

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

Conservation Status

Gelappter Schildfarn

NT — Near Threatened

Sichel Wurmfarn

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Gelappter Schildfarn

Habitat

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

Range

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

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.