Cay Sua vs floating crystalwort

Alstonia scholaris compared with Riccia fluitans

Key Differences

• Cay Sua is Least Concern while floating crystalwort is Near Threatened.

Taxonomic Classification

Rank	Cay Sua	floating crystalwort
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (Ngành Rêu tản)
Class	Magnoliopsida (Dicots)	Marchantiopsida (Marchantiopsida)
Order	Gentianales (Bộ Long đởm)	Marchantiales (Marchantiales)
Family	Apocynaceae	Ricciaceae
Genus	Alstonia	Riccia
Species	Alstonia scholaris	Riccia fluitans

Evolutionary Relationship

Cay Sua and floating crystalwort share a common ancestor at the Kingdom level: Plantae. (thực vật)

Conservation Status

Cay Sua

LC — Least Concern

floating crystalwort

NT — Near Threatened

Physical Characteristics

Attribute	Cay Sua	floating crystalwort
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.

floating crystalwort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States