intermediate oak fern vs limestone fern

Gymnocarpium intermedium compared with Gymnocarpium robertianum

Key Differences

• intermediate oak fern is Not Evaluated while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	intermediate oak fern	limestone fern
Kingdom same	Plantae (พืช)	Plantae (พืช)
Phylum same	Tracheophyta	Tracheophyta
Class same	Polypodiopsida (Polypodiopsida)	Polypodiopsida (Polypodiopsida)
Order same	Polypodiales (Polypodiales)	Polypodiales (Polypodiales)
Family same	Cystopteridaceae	Cystopteridaceae
Genus same	Gymnocarpium	Gymnocarpium
Species	Gymnocarpium intermedium	Gymnocarpium robertianum

Evolutionary Relationship

intermediate oak fern and limestone fern share a common ancestor at the Genus level: Gymnocarpium.

Conservation Status

intermediate oak fern

NE — Not Evaluated

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	intermediate oak fern	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

intermediate oak fern

Habitat

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

Range

Distributed across Canada and Norway.

limestone fern

Habitat

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

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇳🇴 Norway