Blackboard Tree vs

Alstonia scholaris compared with Prorocentrum redfieldii

Key Differences

• Blackboard Tree is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree
Kingdom	Plantae (Plants)	Chromista (Chromista)
Phylum	Magnoliophyta (Flowering Plants)	Myzozoa (Myzozoa)
Class	Magnoliopsida (Dicots)	Dinophyceae (Dinophyceae)
Order	Gentianales (Gentianales)	Prorocentrales (Prorocentrales)
Family	Apocynaceae	Prorocentraceae
Genus	Alstonia	Prorocentrum
Species	Alstonia scholaris	Prorocentrum redfieldii

Conservation Status

Blackboard Tree

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

Prorocentrum redfieldii is a dinoflagellate in the family Prorocentraceae, characterized by its flattened, oval cell body with two large thecal plates. It is a photosynthetic protist found in marine and estuarine waters, contributing to coastal phytoplankton communities. Named in honor of oceanographer Alfred Redfield, it may form dense blooms under eutrophic conditions.