Blackboard Tree vs Dark Shadow Lichen

Alstonia scholaris compared with Phaeophyscia sciastra

Key Differences

Blackboard Tree is Least Concern while Dark Shadow Lichen is Data Deficient.

Taxonomic Classification

Rank	Blackboard Tree	Dark 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 sciastra

Conservation Status

Blackboard Tree

LC — Least Concern

Dark Shadow Lichen

DD — Data Deficient

Physical Characteristics

Attribute	Blackboard Tree	Dark 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.

Dark Shadow Lichen

Habitat

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

Range

Distributed across Denmark, Norway, 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.