Black oats vs Calamus

Avena strigosa compared with Acorus calamus

Key Differences

Black oats is Extinct while Calamus is Least Concern.

Taxonomic Classification

Rank	Black oats	Calamus
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order	Poales (Grasses)	Acorales (Acorales)
Family	Poaceae (Grass Family)	Acoraceae
Genus	Avena	Acorus
Species	Avena strigosa	Acorus calamus

Evolutionary Relationship

Black oats and Calamus share a common ancestor at the Class level: Liliopsida. (Monocots)

View Class: Liliopsida

Conservation Status

Black oats

EX — Extinct

Calamus

LC — Least Concern

Physical Characteristics

Attribute	Black oats	Calamus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black oats

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (20 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Brazil, Chile).

Calamus

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, United States).

Black oats

The Black oats (Avena strigosa) is a species in the genus Avena. It is currently classified as Extinct on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Calamus

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