Blackboard Tree vs Scaly Shadow Lichen

Alstonia scholaris compared with Phaeophyscia squarrosa

Key Differences

Blackboard Tree is Least Concern while Scaly Shadow Lichen is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Scaly Shadow 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	Physciaceae
Genus	Alstonia	Phaeophyscia
Species	Alstonia scholaris	Phaeophyscia squarrosa

Conservation Status

Blackboard Tree

LC — Least Concern

Scaly Shadow Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Scaly Shadow 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.

Scaly Shadow Lichen

Habitat

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

Range

Distributed across Norway 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.