Blue star vs limestone fern

Amsonia orientalis compared with Gymnocarpium robertianum

Taxonomic Classification

Rank	Blue star	limestone fern
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Polypodiopsida (Polypodiopsida)
Order	Gentianales (Gentianales)	Polypodiales (Polypodiales)
Family	Apocynaceae	Cystopteridaceae
Genus	Amsonia	Gymnocarpium
Species	Amsonia orientalis	Gymnocarpium robertianum

Evolutionary Relationship

Blue star and limestone fern share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Blue star

CR — Critically Endangered

limestone fern

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Blue star

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.

Blue star

The Blue star (Amsonia orientalis) is a species in the genus Amsonia. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.