Blackboard Tree vs Sargasso Weed

Alstonia scholaris compared with Sargassum natans

Key Differences

• Blackboard Tree is Least Concern while Sargasso Weed is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Sargasso Weed
Kingdom	Plantae (Plants)	Chromista (Chromista)
Phylum	Magnoliophyta (Flowering Plants)	Ochrophyta (Ochrophyta)
Class	Magnoliopsida (Dicots)	Phaeophyceae (Phaeophyceae)
Order	Gentianales (Gentianales)	Fucales (Fucales)
Family	Apocynaceae	Sargassaceae
Genus	Alstonia	Sargassum
Species	Alstonia scholaris	Sargassum natans

Conservation Status

Blackboard Tree

LC — Least Concern

Sargasso Weed

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Sargasso Weed
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.

Sargasso Weed

Habitat

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

Range

Distributed across Brazil, Norway, and Sao Tome and Principe.

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.