Blackboard Tree vs Bordered Scale Lichen

Alstonia scholaris compared with Psora pseudorussellii

Key Differences

• Blackboard Tree is Least Concern while Bordered Scale Lichen is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Bordered Scale 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	Psoraceae
Genus	Alstonia	Psora
Species	Alstonia scholaris	Psora pseudorussellii

Conservation Status

Blackboard Tree

LC — Least Concern

Bordered Scale Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Bordered Scale 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.

Bordered Scale 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.

Bordered Scale Lichen

The Bordered Scale Lichen (Psora pseudorussellii) is a species in the genus Psora. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States