Arctic Blue vs limestone fern

Agriades aquilo compared with Gymnocarpium robertianum

Key Differences

• Arctic Blue is Near Threatened while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Arctic Blue	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Tracheophyta
Class	Insecta (Insects)	Polypodiopsida (Polypodiopsida)
Order	Lepidoptera (Butterflies & Moths)	Polypodiales (Polypodiales)
Family	Lycaenidae	Cystopteridaceae
Genus	Agriades	Gymnocarpium
Species	Agriades aquilo	Gymnocarpium robertianum

Conservation Status

Arctic Blue

NT — Near Threatened

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic Blue	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Arctic Blue

The Arctic Blue (Agriades aquilo) is a species in the genus Agriades. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden