Blackboard Tree vs Scaly Stalkball

Alstonia scholaris compared with Tulostoma melanocyclum

Key Differences

• Blackboard Tree is Least Concern while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Scaly Stalkball
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Agaricomycetes (Mushrooms)
Order	Gentianales (Gentianales)	Agaricales (Gilled Mushrooms)
Family	Apocynaceae	Agaricaceae (Agarics)
Genus	Alstonia	Tulostoma
Species	Alstonia scholaris	Tulostoma melanocyclum

Conservation Status

Blackboard Tree

LC — Least Concern

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Blackboard Tree	Scaly Stalkball
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.

Scaly Stalkball

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Critically 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.