Blackboard Tree vs Common Periwinkle

Alstonia scholaris compared with Littorina littorea

Taxonomic Classification

Rank	Blackboard Tree	Common Periwinkle
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Mollusca (軟体動物)
Class	Magnoliopsida (モクレン綱)	Gastropoda (腹足綱)
Order	Gentianales (リンドウ目)	Littorinimorpha (タマキビガイ下目)
Family	Apocynaceae	Littorinidae
Genus	Alstonia	Littorina
Species	Alstonia scholaris	Littorina littorea

Conservation Status

Blackboard Tree

LC — Least Concern

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Common Periwinkle
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.

Common Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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.

Common Periwinkle

タマキビ（Littorina littorea）はIUCNレッドリストで軽度懸念（LC）に分類されている。分布域全体で広く生息し個体数は安定しており、早急な保全上の懸念はない。

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States