Blackboard Tree vs Split-Peg Lichen

Alstonia scholaris compared with Cladonia cariosa

Key Differences

Blackboard Tree is Least Concern while Split-Peg Lichen is Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Split-Peg Lichen
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Gentianales (Gentianales)	Lecanorales (Lecanorales)
Family	Apocynaceae	Cladoniaceae
Genus	Alstonia	Cladonia
Species	Alstonia scholaris	Cladonia cariosa

Conservation Status

Blackboard Tree

LC — Least Concern

Split-Peg Lichen

EN — Endangered

Physical Characteristics

Attribute	Blackboard Tree	Split-Peg 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.

Split-Peg Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, 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.