Blackboard Tree vs Cup Lichen

Alstonia scholaris compared with Cladonia peziziformis

Key Differences

Blackboard Tree is Least Concern while Cup Lichen is Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Cup 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 peziziformis

Conservation Status

Blackboard Tree

LC — Least Concern

Cup Lichen

EN — Endangered

Physical Characteristics

Attribute	Blackboard Tree	Cup 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.

Cup Lichen

Habitat

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

Range

Widely distributed across Europe (Norway, Portugal, Sweden), North America (United States), and South America (Brazil, Colombia). 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.