Blue star vs

Amsonia orientalis compared with Ochrolechia subviridis

Key Differences

• Blue star is Critically Endangered while is Vulnerable.

Taxonomic Classification

Rank	Blue star
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Gentianales (Gentianales)	Pertusariales (Pertusariales)
Family	Apocynaceae	Ochrolechiaceae
Genus	Amsonia	Ochrolechia
Species	Amsonia orientalis	Ochrolechia subviridis

Conservation Status

Blue star

CR — Critically Endangered

VU — Vulnerable

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 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.

Ochrolechia subviridis is a crustose lichen forming thick, greenish-grey to whitish patches on siliceous rocks and tree bark in oceanic and montane habitats. It produces disc-shaped apothecia with a pale, pruinose surface and contains usnic acid compounds. Its Vulnerable status reflects sensitivity to habitat changes and atmospheric pollution in its restricted range.