American Buckeye vs Bitter Flax

Aesculus glabra compared with Linum catharticum

Key Differences

• American Buckeye is Least Concern while Bitter Flax is Endangered.

Taxonomic Classification

Rank	American Buckeye	Bitter Flax
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Sapindales (Sapindales)	Malpighiales (Malpighiales)
Family	Sapindaceae	Linaceae
Genus	Aesculus	Linum
Species	Aesculus glabra	Linum catharticum

Evolutionary Relationship

American Buckeye and Bitter Flax share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

American Buckeye

LC — Least Concern

Bitter Flax

EN — Endangered

Physical Characteristics

Attribute	American Buckeye	Bitter Flax
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Buckeye

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in United States.

Bitter Flax

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 8 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

American Buckeye

The American Buckeye (Aesculus glabra) is a species in the genus Aesculus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Bitter Flax

The Bitter Flax (Linum catharticum) is a species in the genus Linum. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 8 distinct biome types spanning the Neotropic and Palearctic

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States