Blue star vs spurred threadwort

Amsonia orientalis compared with Cephaloziella elachista

Key Differences

• Blue star is Critically Endangered while spurred threadwort is Endangered.

Taxonomic Classification

Rank	Blue star	spurred threadwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Jungermanniopsida (Jungermanniopsida)
Order	Gentianales (Gentianales)	Jungermanniales (Jungermanniales)
Family	Apocynaceae	Cephaloziellaceae
Genus	Amsonia	Cephaloziella
Species	Amsonia orientalis	Cephaloziella elachista

Evolutionary Relationship

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

Conservation Status

Blue star

CR — Critically Endangered

spurred threadwort

EN — Endangered

Physical Characteristics

Attribute	Blue star	spurred threadwort
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.

spurred threadwort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as 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.