Blackboard Tree vs Geranium Rust

Alstonia scholaris compared with Uromyces geranii

Key Differences

• Blackboard Tree is Least Concern while Geranium Rust is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Geranium Rust
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Pucciniomycetes (Pucciniomycetes)
Order	Gentianales (Gentianales)	Pucciniales (Pucciniales)
Family	Apocynaceae	Pucciniaceae
Genus	Alstonia	Uromyces
Species	Alstonia scholaris	Uromyces geranii

Conservation Status

Blackboard Tree

LC — Least Concern

Geranium Rust

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Geranium Rust
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.

Geranium Rust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, and Norway.

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.