Blue star vs Brown Ear

Amsonia orientalis compared with Otidea cochleata

Key Differences

• Blue star is Critically Endangered while Brown Ear is Vulnerable.

Taxonomic Classification

Rank	Blue star	Brown Ear
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Pezizomycetes (Pezizomycetes)
Order	Gentianales (Gentianales)	Pezizales (Pezizales)
Family	Apocynaceae	Otideaceae
Genus	Amsonia	Otidea
Species	Amsonia orientalis	Otidea cochleata

Conservation Status

Blue star

CR — Critically Endangered

Brown Ear

VU — Vulnerable

Physical Characteristics

Attribute	Blue star	Brown Ear
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.

Brown Ear

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). 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.

Brown Ear

The Brown Ear (Otidea cochleata) is a species in the genus Otidea. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.