Blue star vs Bristly Beard Lichen

Amsonia orientalis compared with Usnea hirta

Key Differences

• Blue star is Critically Endangered while Bristly Beard Lichen is Least Concern.

Taxonomic Classification

Rank	Blue star	Bristly Beard Lichen
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Gentianales (Gentianales)	Lecanorales (Lecanorales)
Family	Apocynaceae	Parmeliaceae
Genus	Amsonia	Usnea
Species	Amsonia orientalis	Usnea hirta

Conservation Status

Blue star

CR — Critically Endangered

Bristly Beard Lichen

LC — Least Concern

Physical Characteristics

Attribute	Blue star	Bristly Beard Lichen
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.

Bristly Beard Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

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.

Bristly Beard Lichen

The Bristly Beard Lichen (Usnea hirta) is a species in the genus Usnea. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.