Blue star vs

Amsonia orientalis compared with Nitzschia flexa

Key Differences

• Blue star is Critically Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Blue star
Kingdom	Plantae (tumbuhan)	Chromista (Chromista)
Phylum	Magnoliophyta (Flowering Plants)	Ochrophyta (Ochrophyta)
Class	Magnoliopsida (Dicots)	Bacillariophyceae (Bacillariophyceae)
Order	Gentianales (Gentianales)	Bacillariales (Bacillariales)
Family	Apocynaceae	Bacillariaceae
Genus	Amsonia	Nitzschia
Species	Amsonia orientalis	Nitzschia flexa

Conservation Status

Blue star

CR — Critically Endangered

NE — Not Evaluated

Physical Characteristics

Attribute	Blue star
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across 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.

Nitzschia flexa is a pennate diatom (class Bacillariophyceae) with a characteristically curved or bent raphe system that gives the genus its distinctive appearance. It inhabits freshwater to brackish environments and contributes to benthic and planktonic algal communities. As a photosynthetic microalga, it plays a foundational role in aquatic food webs and primary production.