Adder’S-Mouth vs Black Bent

Malaxis bayardii compared with Agrostis gigantea

Key Differences

• Adder’S-Mouth is Critically Endangered while Black Bent is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Black Bent
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order	Asparagales (Asparagales)	Poales (Grasses)
Family	Orchidaceae	Poaceae (Grass Family)
Genus	Malaxis	Agrostis
Species	Malaxis bayardii	Agrostis gigantea

Evolutionary Relationship

Adder’S-Mouth and Black Bent share a common ancestor at the Class level: Liliopsida. (Monocots)

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Black Bent

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Black Bent
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder’S-Mouth

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

Adder’S-Mouth

The Adder’S-Mouth (Malaxis bayardii) is a species in the genus Malaxis. It is currently classified as Critically Endangered on the IUCN Red List. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Canada and 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 2 countries:

🇨🇦 Canada 🇺🇸 United States