Black Maple vs Red-knotgrass

Acer nigrum compared with Polygonum patulum

Key Differences

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

Taxonomic Classification

Rank	Black Maple	Red-knotgrass
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Sapindales (Sapindales)	Caryophyllales (Caryophyllales)
Family	Sapindaceae	Polygonaceae
Genus	Acer	Polygonum
Species	Acer nigrum	Polygonum patulum

Evolutionary Relationship

Black Maple and Red-knotgrass share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Black Maple

LC — Least Concern

Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Black Maple	Red-knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Maple

Habitat

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

Range

Distributed across Canada and United States.

Red-knotgrass

Habitat

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

Range

Widely distributed across Europe (16 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Colombia).

Black Maple

The Black Maple (Acer nigrum) is a species in the genus Acer. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇺🇸 United States