Alder vs Willow Mildew

Alnus glutinosa compared with Erysiphe adunca

Key Differences

• Alder is Least Concern while Willow Mildew is Not Evaluated.

Taxonomic Classification

Rank	Alder	Willow Mildew
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Leotiomycetes (Leotiomycetes)
Order	Fagales (Beeches & Oaks)	Helotiales (Helotiales)
Family	Betulaceae	Erysiphaceae
Genus	Alnus	Erysiphe
Species	Alnus glutinosa	Erysiphe adunca

Conservation Status

Alder

LC — Least Concern

Willow Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Alder	Willow 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).

Willow Mildew

Habitat

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

Range

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

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States