Blackboard Tree vs Field Earthstar

Alstonia scholaris compared with Geastrum campestre

Key Differences

• Blackboard Tree is Least Concern while Field Earthstar is Critically Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Field Earthstar
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Agaricomycetes (Mushrooms)
Order	Gentianales (Gentianales)	Geastrales (Geastrales)
Family	Apocynaceae	Geastraceae
Genus	Alstonia	Geastrum
Species	Alstonia scholaris	Geastrum campestre

Conservation Status

Blackboard Tree

LC — Least Concern

Field Earthstar

CR — Critically Endangered

Physical Characteristics

Attribute	Blackboard Tree	Field Earthstar
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.

Field Earthstar

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). 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.