Blue star vs Upper Crust

Amsonia orientalis compared with Amaurodon cyaneus

Key Differences

• Blue star is Critically Endangered while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Blue star	Upper Crust
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Agaricomycetes (Mushrooms)
Order	Gentianales (Gentianales)	Thelephorales (Thelephorales)
Family	Apocynaceae	Thelephoraceae
Genus	Amsonia	Amaurodon
Species	Amsonia orientalis	Amaurodon cyaneus

Conservation Status

Blue star

CR — Critically Endangered

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Blue star	Upper Crust
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.

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable 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.