Black Bent vs Lesser Red-knotgrass

Agrostis gigantea compared with Polygonum arenarium

Key Differences

• Black Bent is Least Concern while Lesser Red-knotgrass is Not Evaluated.

Taxonomic Classification

Rank	Black Bent	Lesser Red-knotgrass
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (木兰植物门)	Magnoliophyta (木兰植物门)
Class	Liliopsida (百合纲)	Magnoliopsida (木兰纲)
Order	Poales (禾本目)	Caryophyllales (石竹目)
Family	Poaceae (Grass Family)	Polygonaceae
Genus	Agrostis	Polygonum
Species	Agrostis gigantea	Polygonum arenarium

Evolutionary Relationship

Black Bent and Lesser Red-knotgrass share a common ancestor at the Phylum level: Magnoliophyta. (木兰植物门)

Conservation Status

Black Bent

LC — Least Concern

Lesser Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Black Bent	Lesser Red-knotgrass
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).

Lesser Red-knotgrass

Habitat

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

Range

Found across Europe (11 countries) and North America (United States).

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 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇳🇱 Netherlands 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States