limestone fern vs Long-tailed Ground Squirrel

Gymnocarpium robertianum compared with Urocitellus undulatus

Key Differences

limestone fern is Critically Endangered while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	limestone fern	Long-tailed Ground Squirrel
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Sciuridae (Squirrels)
Genus	Gymnocarpium	Urocitellus
Species	Gymnocarpium robertianum	Urocitellus undulatus

Conservation Status

limestone fern

CR — Critically Endangered

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	limestone fern	Long-tailed Ground Squirrel
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.