Blackboard Tree vs

Alstonia scholaris compared with Usnea cornuta

Key Differences

• Blackboard Tree is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Blackboard Tree
Kingdom	Plantae (식물)	Fungi (균계)
Phylum	Magnoliophyta (피자식물문)	Ascomycota (자낭균류)
Class	Magnoliopsida (목련강)	Lecanoromycetes (요강버섯강)
Order	Gentianales (용담목)	Lecanorales (레카노라목)
Family	Apocynaceae	Parmeliaceae
Genus	Alstonia	Usnea
Species	Alstonia scholaris	Usnea cornuta

Conservation Status

Blackboard Tree

LC — Least Concern

NT — Near Threatened

Physical Characteristics

Attribute	Blackboard Tree
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Usnea cornuta는 Parmeliaceae과에 속하는 수지형 지의류로, 준위협(NT)으로 평가됩니다. 나뭇가지와 잔가지에 매달리는 덤불 모양의 엽상체를 형성하며, 주로 습한 산림 환경에서 서식합니다. 모든 Usnea 속 종과 마찬가지로 대기 오염, 특히 이산화황에 매우 민감하여 대기 질의 유용한 생물 지표종으로 활용됩니다.