Blackboard Tree vs Schaerer'S Disc Lichen

Alstonia scholaris compared with Buellia schaereri

Key Differences

Blackboard Tree is Least Concern while Schaerer'S Disc Lichen is Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Schaerer'S Disc 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	Buellia
Species	Alstonia scholaris	Buellia schaereri

Conservation Status

Blackboard Tree

LC — Least Concern

Schaerer'S Disc Lichen

EN — Endangered

Physical Characteristics

Attribute	Blackboard Tree	Schaerer'S Disc 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.

Schaerer'S Disc Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.