Black Bent vs Prostrate knotweed

Agrostis gigantea compared with Polygonum aviculare

Key Differences

• Black Bent is Least Concern while Prostrate knotweed is Not Evaluated.

Taxonomic Classification

Rank	Black Bent	Prostrate knotweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Poales (Grasses)	Caryophyllales (Caryophyllales)
Family	Poaceae (Grass Family)	Polygonaceae
Genus	Agrostis	Polygonum
Species	Agrostis gigantea	Polygonum aviculare

Evolutionary Relationship

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

Conservation Status

Black Bent

LC — Least Concern

Prostrate knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Black Bent	Prostrate knotweed
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).

Prostrate knotweed

Habitat

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

Range

Widely distributed across Africa (9 countries), Asia (8 countries), Europe (11 countries), North America (6 countries), Oceania and the Pacific (Australia, Solomon Islands), and South America (7 countries).

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 🇨🇱 Chile 🇨🇴 Colombia 🇨🇷 Costa Rica 🇨🇿 Czech Republic 🇩🇰 Denmark 🇪🇨 Ecuador 🇫🇮 Finland 🇮🇸 Iceland 🇲🇽 Mexico 🇳🇴 Norway 🇿🇦 South Africa 🇸🇪 Sweden 🇺🇸 United States