limestone fern vs Linnaeus's mouse opossum

Gymnocarpium robertianum compared with Marmosa murina

Key Differences

limestone fern is Critically Endangered while Linnaeus's mouse opossum is Least Concern.

Taxonomic Classification

Rank	limestone fern	Linnaeus's mouse opossum
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Didelphimorphia (Didelphimorphia)
Family	Cystopteridaceae	Didelphidae
Genus	Gymnocarpium	Marmosa
Species	Gymnocarpium robertianum	Marmosa murina

Conservation Status

limestone fern

CR — Critically Endangered

Linnaeus's mouse opossum

LC — Least Concern

Physical Characteristics

Attribute	limestone fern	Linnaeus's mouse opossum
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.