Blue star vs spreading threadwort

Amsonia orientalis compared with Cephaloziella divaricata

Key Differences

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

Taxonomic Classification

Rank	Blue star	spreading 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 divaricata

Evolutionary Relationship

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

Conservation Status

Blue star

CR — Critically Endangered

spreading threadwort

EN — Endangered

Physical Characteristics

Attribute	Blue star	spreading 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.

spreading threadwort

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Brazil). 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.