Blackboard Tree vs Boulder Lichen

Alstonia scholaris compared with Porpidia tuberculosa

Taxonomic Classification

Rank	Blackboard Tree	Boulder Lichen
Kingdom	Plantae (植物)	Fungi (菌界)
Phylum	Magnoliophyta (被子植物門)	Ascomycota (子嚢菌門)
Class	Magnoliopsida (モクレン綱)	Lecanoromycetes (チャシブゴケ菌綱)
Order	Gentianales (リンドウ目)	Lecideales (Lecideales)
Family	Apocynaceae	Lecideaceae
Genus	Alstonia	Porpidia
Species	Alstonia scholaris	Porpidia tuberculosa

Conservation Status

Blackboard Tree

LC — Least Concern

Boulder Lichen

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Boulder 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.

Boulder 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.

Boulder Lichen

The Boulder Lichen (Porpidia tuberculosa) is a species in the genus Porpidia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.