Cay Sua vs

Alstonia scholaris compared with Clastidium setigerum

Key Differences

• Cay Sua is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Cay Sua
Kingdom	Plantae (thực vật)	Bacteria (Bacteria)
Phylum	Magnoliophyta (Flowering Plants)	Cyanobacteria (Vi khuẩn lam)
Class	Magnoliopsida (Dicots)	Cyanobacteriia
Order	Gentianales (Bộ Long đởm)	Cyanobacteriales
Family	Apocynaceae	Chamaesiphonaceae
Genus	Alstonia	Clastidium
Species	Alstonia scholaris	Clastidium setigerum

Conservation Status

Cay Sua

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Cay Sua
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cay Sua

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 and Sweden.

Cay Sua

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.

Clastidium setigerum is a filamentous cyanobacterium in the family Clastidiaceae, characterized by producing tapering filaments anchored to substrates by a basal holdfast cell. It grows on coarser algae, invertebrates, and rocky substrates in freshwater or marine environments. Its single, hair-like trichome ending in a long colorless hair is a distinctive morphological feature of this genus.