Blackboard Tree vs Notched Rustwort

Alstonia scholaris compared with Marsupella emarginata

Key Differences

• Blackboard Tree is Least Concern while Notched Rustwort is Extinct.

Taxonomic Classification

Rank	Blackboard Tree	Notched Rustwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Magnoliopsida (Dicots)	Jungermanniopsida (Jungermanniopsida)
Order	Gentianales (Gentianales)	Jungermanniales (Jungermanniales)
Family	Apocynaceae	Gymnomitriaceae
Genus	Alstonia	Marsupella
Species	Alstonia scholaris	Marsupella emarginata

Evolutionary Relationship

Blackboard Tree and Notched Rustwort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Blackboard Tree

LC — Least Concern

Notched Rustwort

EX — Extinct

Physical Characteristics

Attribute	Blackboard Tree	Notched Rustwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Notched Rustwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Colombia).

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 2 countries:

🇹🇼 Taiwan 🇺🇸 United States