Bitter Tooth vs Castor

Hydnellum scabrosum compared with Ricinus communis

Key Differences

• Bitter Tooth is Near Threatened while Castor is Not Evaluated.

Taxonomic Classification

Rank	Bitter Tooth	Castor
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Agaricomycetes (Mushrooms)	Magnoliopsida (Dicots)
Order	Thelephorales (Thelephorales)	Malpighiales (Malpighiales)
Family	Bankeraceae	Euphorbiaceae
Genus	Hydnellum	Ricinus
Species	Hydnellum scabrosum	Ricinus communis

Conservation Status

Bitter Tooth

NT — Near Threatened

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Bitter Tooth	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Tooth

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Bitter Tooth

The Bitter Tooth (Hydnellum scabrosum) is a species in the genus Hydnellum. It is currently classified as Near Threatened on the IUCN Red List. 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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden