Alpine Thread-Leaved Pondweed vs Castor

Stuckenia filiformis compared with Ricinus communis

Key Differences

• Alpine Thread-Leaved Pondweed is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Alpine Thread-Leaved Pondweed	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Alismatales (Alismatales)	Malpighiales (Malpighiales)
Family	Potamogetonaceae	Euphorbiaceae
Genus	Stuckenia	Ricinus
Species	Stuckenia filiformis	Ricinus communis

Evolutionary Relationship

Alpine Thread-Leaved Pondweed and Castor share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Alpine Thread-Leaved Pondweed

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Alpine Thread-Leaved Pondweed	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Thread-Leaved Pondweed

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (Canada, United States), and South America (Brazil).

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).

Alpine Thread-Leaved Pondweed

The Alpine Thread-Leaved Pondweed (Stuckenia filiformis) is a species in the genus Stuckenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes. Widely distributed across Europe (4 countries), North America (Canada, United States), and South America (Brazil).

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 5 countries:

🇧🇷 Brazil 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States