Castor vs Red-Head Pondweed

Ricinus communis compared with Potamogeton richardsonii

Key Differences

• Castor is Not Evaluated while Red-Head Pondweed is Least Concern.

Taxonomic Classification

Rank	Castor	Red-Head Pondweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Malpighiales (Malpighiales)	Alismatales (Alismatales)
Family	Euphorbiaceae	Potamogetonaceae
Genus	Ricinus	Potamogeton
Species	Ricinus communis	Potamogeton richardsonii

Evolutionary Relationship

Castor and Red-Head Pondweed share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Castor

NE — Not Evaluated

Red-Head Pondweed

LC — Least Concern

Physical Characteristics

Attribute	Castor	Red-Head Pondweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Castor

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (33 countries), Asia (26 countries), Europe (23 countries), North America (15 countries), Oceania and the Pacific (14 countries), and South America (12 countries).

Red-Head Pondweed

Habitat

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

Range

Distributed across Canada, Norway, and United States.

Castor

The Castor (Ricinus communis) is a species in the genus Ricinus. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and hi

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States