Blackboard Tree vs

Alstonia scholaris compared with Leproplaca cirrochroa

Key Differences

Blackboard Tree is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Blackboard Tree
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Gentianales (Gentianales)	Teloschistales (Teloschistales)
Family	Apocynaceae	Teloschistaceae
Genus	Alstonia	Leproplaca
Species	Alstonia scholaris	Leproplaca cirrochroa

Conservation Status

Blackboard Tree

LC — Least Concern

NT — Near Threatened

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 North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Leproplaca cirrochroa is a crustose lichen in the family Teloschistaceae, assessed as Near Threatened (NT). It grows on nutrient-enriched rock surfaces and tree bark, often in coastal or sheltered habitats. Like other members of the genus, it produces bright orange-yellow thalli from anthraquinone pigments.