limestone fern vs Nilgiri langur

Gymnocarpium robertianum compared with Semnopithecus johnii

Key Differences

• limestone fern is Critically Endangered while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	limestone fern	Nilgiri langur
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Primates (Primates)
Family	Cystopteridaceae	Cercopithecidae (Old World Monkeys)
Genus	Gymnocarpium	Semnopithecus
Species	Gymnocarpium robertianum	Semnopithecus johnii

Conservation Status

limestone fern

CR — Critically Endangered

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	limestone fern	Nilgiri langur
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.

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.