Black Bent vs Cotton Thistle

Agrostis gigantea compared with Onopordum acanthium

Key Differences

• Black Bent is Least Concern while Cotton Thistle is Endangered.

Taxonomic Classification

Rank	Black Bent	Cotton Thistle
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Poales (Grasses)	Asterales (Daisies & Sunflowers)
Family	Poaceae (Grass Family)	Asteraceae (Daisy Family)
Genus	Agrostis	Onopordum
Species	Agrostis gigantea	Onopordum acanthium

Evolutionary Relationship

Black Bent and Cotton Thistle share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Black Bent

LC — Least Concern

Cotton Thistle

EN — Endangered

Physical Characteristics

Attribute	Black Bent	Cotton Thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Bent

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (11 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries).

Cotton Thistle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, India, Japan), Europe (22 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Bent

The Black Bent (Agrostis gigantea) is a species in the genus Agrostis. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 17 countries:

🇦🇷 Argentina 🇦🇺 Australia 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇦 Canada 🇨🇱 Chile 🇨🇿 Czech Republic 🇩🇰 Denmark 🇫🇮 Finland 🇫🇷 France 🇮🇪 Ireland 🇯🇵 Japan 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States