ash vs Blackboard Tree

Fraxinus excelsior compared with Alstonia scholaris

Key Differences

• ash is Vulnerable while Blackboard Tree is Least Concern.

Taxonomic Classification

Rank	ash	Blackboard Tree
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Lamiales (Lamiales)	Gentianales (Gentianales)
Family	Oleaceae	Apocynaceae
Genus	Fraxinus	Alstonia
Species	Fraxinus excelsior	Alstonia scholaris

Evolutionary Relationship

ash and Blackboard Tree share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

ash

VU — Vulnerable

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	ash	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ash

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 6 distinct biome types spanning the Australasia and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Libya), Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Blackboard Tree

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

ash

Ash (Fraxinus excelsior) is a species in the genus Fraxinus. It is listed as Vulnerable on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 6 distinct biome types spanning the Australasia and Oceanian and Palearctic realms. Pop

Blackboard Tree

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States