Alder vs Caucasian Wingnut

Alnus glutinosa compared with Pterocarya fraxinifolia

Key Differences

• Alder is Least Concern while Caucasian Wingnut is Not Evaluated.

Taxonomic Classification

Rank	Alder	Caucasian Wingnut
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Fagales (Beeches & Oaks)	Fagales (Beeches & Oaks)
Family	Betulaceae	Juglandaceae
Genus	Alnus	Pterocarya
Species	Alnus glutinosa	Pterocarya fraxinifolia

Evolutionary Relationship

Alder and Caucasian Wingnut share a common ancestor at the Order level: Fagales. (Beeches & Oaks)

Conservation Status

Alder

LC — Least Concern

Caucasian Wingnut

NE — Not Evaluated

Physical Characteristics

Attribute	Alder	Caucasian Wingnut
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).

Caucasian Wingnut

Habitat

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

Range

Found across Europe (9 countries).

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.

Caucasian Wingnut

The Caucasian Wingnut (Pterocarya fraxinifolia) is a species in the genus Pterocarya. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden