Beard Lichen vs Cay Sua

Usnea subscabrosa compared with Alstonia scholaris

Key Differences

• Beard Lichen is Not Evaluated while Cay Sua is Least Concern.

Taxonomic Classification

Rank	Beard Lichen	Cay Sua
Kingdom	Fungi (nấm)	Plantae (thực vật)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Magnoliopsida (Dicots)
Order	Lecanorales (Lecanorales)	Gentianales (Bộ Long đởm)
Family	Parmeliaceae	Apocynaceae
Genus	Usnea	Alstonia
Species	Usnea subscabrosa	Alstonia scholaris

Conservation Status

Beard Lichen

NE — Not Evaluated

Cay Sua

LC — Least Concern

Physical Characteristics

Attribute	Beard Lichen	Cay Sua
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beard Lichen

Habitat

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

Range

Distributed across Norway, Portugal, and United States.

Cay Sua

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.

Beard Lichen

The Beard Lichen (Usnea subscabrosa) is a species in the genus Usnea. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Cay Sua

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