Azalea Gall vs Blackboard Tree

Exobasidium japonicum compared with Alstonia scholaris

Taxonomic Classification

Rank	Azalea Gall	Blackboard Tree
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Exobasidiomycetes (Exobasidiomycetes)	Magnoliopsida (Dicots)
Order	Exobasidiales (Exobasidiales)	Gentianales (Gentianales)
Family	Exobasidiaceae	Apocynaceae
Genus	Exobasidium	Alstonia
Species	Exobasidium japonicum	Alstonia scholaris

Conservation Status

Azalea Gall

LC — Least Concern

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Azalea Gall	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azalea Gall

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Asia (Taiwan) and Europe (6 countries).

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.

Azalea Gall

The Azalea Gall (Exobasidium japonicum) is a species in the genus Exobasidium. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

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.