Black Lichen vs Blackboard Tree

Lichina pygmaea compared with Alstonia scholaris

Key Differences

• Black Lichen is Extinct while Blackboard Tree is Least Concern.

Taxonomic Classification

Rank	Black Lichen	Blackboard Tree
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lichinomycetes (Lichinomycetes)	Magnoliopsida (Dicots)
Order	Lichinales (Lichinales)	Gentianales (Gentianales)
Family	Lichinaceae	Apocynaceae
Genus	Lichina	Alstonia
Species	Lichina pygmaea	Alstonia scholaris

Conservation Status

Black Lichen

EX — Extinct

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Black Lichen	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Lichen

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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.

Black Lichen

The Black Lichen (Lichina pygmaea) is a species in the genus Lichina. It is currently classified as Extinct on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region. Its geographic range spans Distributed across Denmark, Norway, Portugal, and Sweden.

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.