Awnless Barnyard Grass vs Blackboard Tree

Echinochloa colonum compared with Alstonia scholaris

Taxonomic Classification

Rank	Awnless Barnyard Grass	Blackboard Tree
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Poales (Grasses)	Gentianales (Gentianales)
Family	Poaceae (Grass Family)	Apocynaceae
Genus	Echinochloa	Alstonia
Species	Echinochloa colonum	Alstonia scholaris

Evolutionary Relationship

Awnless Barnyard Grass and Blackboard Tree share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Awnless Barnyard Grass

LC — Least Concern

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Awnless Barnyard Grass	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Awnless Barnyard Grass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (16 countries), Asia (18 countries), Europe (19 countries), North America (10 countries), Oceania and the Pacific (10 countries), and South America (9 countries).

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.

Awnless Barnyard Grass

The Awnless Barnyard Grass (Echinochloa colonum) is a species in the genus Echinochloa. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations.

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.

Shared Countries

Both species can be found in 3 countries:

🇫🇲 Micronesia 🇹🇼 Taiwan 🇺🇸 United States