limestone fern vs Olive-gray Thomasomys

Gymnocarpium robertianum compared with Thomasomys cinereus

Key Differences

• limestone fern is Critically Endangered while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	limestone fern	Olive-gray Thomasomys
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Tracheophyta	Chordata (สัตว์มีแกนสันหลัง)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Polypodiales (Polypodiales)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Cystopteridaceae	Cricetidae
Genus	Gymnocarpium	Thomasomys
Species	Gymnocarpium robertianum	Thomasomys cinereus

Conservation Status

limestone fern

CR — Critically Endangered

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	limestone fern	Olive-gray Thomasomys
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.

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.