Black Bent vs Marsh Cress

Agrostis gigantea compared with Rorippa islandica

Key Differences

• Black Bent is Least Concern while Marsh Cress is Endangered.

Taxonomic Classification

Rank	Black Bent	Marsh Cress
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Poales (Grasses)	Brassicales (Brassicales)
Family	Poaceae (Grass Family)	Brassicaceae
Genus	Agrostis	Rorippa
Species	Agrostis gigantea	Rorippa islandica

Evolutionary Relationship

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

Conservation Status

Black Bent

LC — Least Concern

Marsh Cress

EN — Endangered

Physical Characteristics

Attribute	Black Bent	Marsh Cress
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).

Marsh Cress

Habitat

Found across multiple habitat types including boreal forests and taiga, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Libya), Asia (India), Europe (Iceland, Norway, Sweden), and North America (Canada, Mexico, United States). 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 6 countries:

🇨🇦 Canada 🇮🇸 Iceland 🇲🇽 Mexico 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States