limestone fern vs Narrow-headed Vole

Gymnocarpium robertianum compared with Microtus gregalis

Key Differences

• limestone fern is Critically Endangered while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	limestone fern	Narrow-headed Vole
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Cricetidae
Genus	Gymnocarpium	Microtus
Species	Gymnocarpium robertianum	Microtus gregalis

Conservation Status

limestone fern

CR — Critically Endangered

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	limestone fern	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.