Blackboard Tree vs Streamside Swordfern

Alstonia scholaris compared with Nephrolepis rivularis

Key Differences

• Blackboard Tree is Least Concern while Streamside Swordfern is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Streamside Swordfern
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Polypodiopsida (Polypodiopsida)
Order	Gentianales (Gentianales)	Polypodiales (Polypodiales)
Family	Apocynaceae	Nephrolepidaceae
Genus	Alstonia	Nephrolepis
Species	Alstonia scholaris	Nephrolepis rivularis

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Streamside Swordfern

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Streamside Swordfern
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.

Streamside Swordfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba.

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.