Bitter Tooth vs Rosette Tooth

Hydnellum scabrosum compared with Hydnellum cumulatum

Key Differences

• Bitter Tooth is Near Threatened while Rosette Tooth is Critically Endangered.

Taxonomic Classification

Rank	Bitter Tooth	Rosette Tooth
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Basidiomycota (Club Fungi)	Basidiomycota (Club Fungi)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Thelephorales (Thelephorales)	Thelephorales (Thelephorales)
Family same	Bankeraceae	Bankeraceae
Genus same	Hydnellum	Hydnellum
Species	Hydnellum scabrosum	Hydnellum cumulatum

Evolutionary Relationship

Bitter Tooth and Rosette Tooth share a common ancestor at the Genus level: Hydnellum.

Conservation Status

Bitter Tooth

NT — Near Threatened

Rosette Tooth

CR — Critically Endangered

Physical Characteristics

Attribute	Bitter Tooth	Rosette Tooth
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.

Rosette Tooth

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden