Blue Roundhead vs Castor

Stropharia caerulea compared with Ricinus communis

Taxonomic Classification

Rank	Blue Roundhead	Castor
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Agaricomycetes (Mushrooms)	Magnoliopsida (Dicots)
Order	Agaricales (Gilled Mushrooms)	Malpighiales (Malpighiales)
Family	Strophariaceae	Euphorbiaceae
Genus	Stropharia	Ricinus
Species	Stropharia caerulea	Ricinus communis

Conservation Status

Blue Roundhead

NE — Not Evaluated

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Roundhead	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Roundhead

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Norway, and United States.

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).

Blue Roundhead

The Blue Roundhead (Stropharia caerulea) is a species in the genus Stropharia. Typically found in forest floors, decomposing wood, and soil ecosystems.

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇺🇸 United States