Alder vs Onion Downy Mildew

Alnus glutinosa compared with Peronospora destructor

Key Differences

• Alder is Least Concern while Onion Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Alder	Onion Downy Mildew
Kingdom	Plantae (Plants)	Chromista (Chromista)
Phylum	Magnoliophyta (Flowering Plants)	Oomycota (Oomycetes)
Class	Magnoliopsida (Dicots)	Peronosporea (Peronosporea)
Order	Fagales (Beeches & Oaks)	Peronosporales (Peronosporales)
Family	Betulaceae	Peronosporaceae
Genus	Alnus	Peronospora
Species	Alnus glutinosa	Peronospora destructor

Conservation Status

Alder

LC — Least Concern

Onion Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Alder	Onion Downy Mildew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (South Africa), Asia (India, Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

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).

Alder

The Alder (Alnus glutinosa) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States