Blackboard Tree vs Grayish Button Lichen

Alstonia scholaris compared with Diplotomma alboatrum

Taxonomic Classification

Rank	Blackboard Tree	Grayish Button Lichen
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Gentianales (Gentianales)	Caliciales (Caliciales)
Family	Apocynaceae	Caliciaceae
Genus	Alstonia	Diplotomma
Species	Alstonia scholaris	Diplotomma alboatrum

Conservation Status

Blackboard Tree

LC — Least Concern

Grayish Button Lichen

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Grayish Button Lichen
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.

Grayish Button Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

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.