Castor vs Knotgrass

Ricinus communis compared with Paspalum distichum

Key Differences

• Castor is Not Evaluated while Knotgrass is Least Concern.

Taxonomic Classification

Rank	Castor	Knotgrass
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Malpighiales (Malpighiales)	Poales (Grasses)
Family	Euphorbiaceae	Poaceae (Grass Family)
Genus	Ricinus	Paspalum
Species	Ricinus communis	Paspalum distichum

Evolutionary Relationship

Castor and Knotgrass share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Castor

NE — Not Evaluated

Knotgrass

LC — Least Concern

Physical Characteristics

Attribute	Castor	Knotgrass
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).

Knotgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 8 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (8 countries), Asia (21 countries), Europe (21 countries), North America (4 countries), Oceania and the Pacific (5 countries), and South America (4 countries).

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 47 countries:

🇩🇿 Algeria 🇦🇹 Austria 🇧🇪 Belgium 🇧🇦 Bosnia and Herzegovina 🇧🇷 Brazil 🇧🇬 Bulgaria 🇰🇭 Cambodia 🇨🇱 Chile 🇨🇳 China 🇨🇴 Colombia 🇨🇩 Congo (DRC) 🇭🇷 Croatia 🇨🇾 Cyprus 🇩🇰 Denmark 🇸🇻 El Salvador 🇫🇷 France 🇬🇷 Greece 🇬🇾 Guyana 🇭🇳 Honduras 🇮🇳 India 🇮🇷 Iran 🇮🇶 Iraq 🇮🇱 Israel 🇮🇹 Italy 🇯🇵 Japan 🇲🇬 Madagascar 🇲🇾 Malaysia 🇲🇭 Marshall Islands 🇫🇲 Micronesia 🇲🇦 Morocco 🇳🇷 Nauru 🇳🇵 Nepal 🇳🇱 Netherlands 🇳🇿 New Zealand 🇳🇴 Norway 🇵🇼 Palau 🇵🇹 Portugal 🇷🇴 Romania 🇿🇦 South Africa 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇹🇷 Turkey 🇬🇧 United Kingdom 🇺🇸 United States 🇻🇳 Vietnam 🇿🇼 Zimbabwe