Blackboard Tree vs

Alstonia scholaris compared with Cryptomonas pyrenoidifera

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)	Cryptophyta
Class	Magnoliopsida (Dicots)	Cryptophyceae (Cryptophyceae)
Order	Gentianales (Gentianales)	Cryptomonadales (Cryptomonadales)
Family	Apocynaceae	Cryptomonadaceae
Genus	Alstonia	Cryptomonas
Species	Alstonia scholaris	Cryptomonas pyrenoidifera

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 and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, 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.

Cryptomonas pyrenoidifera is a unicellular cryptomonad alga with a distinctive pyrenoid in each chloroplast, reflecting its species name. It inhabits freshwater lakes and ponds with moderate to high nutrient levels across temperate regions. This mixotrophic flagellate performs photosynthesis and can also ingest bacteria as supplemental nutrition.