Blue star vs flat periwinkle

Amsonia orientalis compared with Littorina fabalis

Key Differences

• Blue star is Critically Endangered while flat periwinkle is Least Concern.

Taxonomic Classification

Rank	Blue star	flat periwinkle
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Mollusca (軟体動物)
Class	Magnoliopsida (モクレン綱)	Gastropoda (腹足綱)
Order	Gentianales (リンドウ目)	Littorinimorpha (タマキビガイ下目)
Family	Apocynaceae	Littorinidae
Genus	Amsonia	Littorina
Species	Amsonia orientalis	Littorina fabalis

Conservation Status

Blue star

CR — Critically Endangered

flat periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Blue star	flat periwinkle
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.

flat periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.