Blue star vs Onion Downy Mildew

Amsonia orientalis compared with Peronospora destructor

Key Differences

• Blue star is Critically Endangered while Onion Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Blue star	Onion Downy Mildew
Kingdom	Plantae (Plants)	Chromista (Chromista)
Phylum	Magnoliophyta (Flowering Plants)	Oomycota (Oomycetes)
Class	Magnoliopsida (Dicots)	Peronosporea (Peronosporea)
Order	Gentianales (Gentianales)	Peronosporales (Peronosporales)
Family	Apocynaceae	Peronosporaceae
Genus	Amsonia	Peronospora
Species	Amsonia orientalis	Peronospora destructor

Conservation Status

Blue star

CR — Critically Endangered

Onion Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Blue star	Onion Downy Mildew
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.

Onion Downy Mildew

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

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.