American Rosette Lichen vs Blackboard Tree

Physcia americana compared with Alstonia scholaris

Key Differences

• American Rosette Lichen is Not Evaluated while Blackboard Tree is Least Concern.

Taxonomic Classification

Rank	American Rosette Lichen	Blackboard Tree
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Magnoliopsida (Dicots)
Order	Caliciales (Caliciales)	Gentianales (Gentianales)
Family	Physciaceae	Apocynaceae
Genus	Physcia	Alstonia
Species	Physcia americana	Alstonia scholaris

Conservation Status

American Rosette Lichen

NE — Not Evaluated

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	American Rosette Lichen	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Rosette Lichen

Habitat

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

Range

Distributed across Norway and United States.

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.

American Rosette Lichen

The American Rosette Lichen (Physcia americana) is a species in the genus Physcia. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States