Rosette Tooth vs Velvet Tooth

Hydnellum cumulatum compared with Hydnellum spongiosipes

Key Differences

• Rosette Tooth is Critically Endangered while Velvet Tooth is Endangered.

Taxonomic Classification

Rank	Rosette Tooth	Velvet Tooth
Kingdom same	Fungi (菌界)	Fungi (菌界)
Phylum same	Basidiomycota (担子菌門)	Basidiomycota (担子菌門)
Class same	Agaricomycetes (真正担子菌綱)	Agaricomycetes (真正担子菌綱)
Order same	Thelephorales (イボタケ目)	Thelephorales (イボタケ目)
Family same	Bankeraceae	Bankeraceae
Genus same	Hydnellum	Hydnellum
Species	Hydnellum cumulatum	Hydnellum spongiosipes

Evolutionary Relationship

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

Conservation Status

Rosette Tooth

CR — Critically Endangered

Velvet Tooth

EN — Endangered

Physical Characteristics

Attribute	Rosette Tooth	Velvet Tooth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Velvet Tooth

Habitat

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

Range

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

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway