Blackboard Tree vs

Alstonia scholaris compared with Pyrenula nitida

Key Differences

Blackboard Tree is Least Concern while is Endangered.

Taxonomic Classification

Rank	Blackboard Tree
Kingdom	Plantae (plantas)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Eurotiomycetes (Eurotiomycetes)
Order	Gentianales (Gentianales)	Pyrenulales (Pyrenulales)
Family	Apocynaceae	Pyrenulaceae
Genus	Alstonia	Pyrenula
Species	Alstonia scholaris	Pyrenula nitida

Conservation Status

Blackboard Tree

LC — Least Concern

EN — Endangered

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 and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Pyrenula nitida e um liquen crustoso corticola que produz um talo liso e brilhante de cor verde-oliva a marrom, com perithecias em forma de frasco embutidas na casca lisa de arvores antigas de folha larga em florestas atlanticas umidas. E considerada uma especie indicadora emblematica de florestas antigas com longa continuidade no oeste europeu. Em perigo, este liquen esta gravemente ameacado pela perda de arvores veteranas e habitats de florestas antigas.