Bitter Tooth vs Blue Corky Spine Fungus

Hydnellum scabrosum compared with Hydnellum caeruleum

Key Differences

• Bitter Tooth is Near Threatened while Blue Corky Spine Fungus is Critically Endangered.

Taxonomic Classification

Rank	Bitter Tooth	Blue Corky Spine Fungus
Kingdom same	Fungi (mantar)	Fungi (mantar)
Phylum same	Basidiomycota (Bazitli mantarlar)	Basidiomycota (Bazitli mantarlar)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Thelephorales (Thelephorales)	Thelephorales (Thelephorales)
Family same	Bankeraceae	Bankeraceae
Genus same	Hydnellum	Hydnellum
Species	Hydnellum scabrosum	Hydnellum caeruleum

Evolutionary Relationship

Bitter Tooth and Blue Corky Spine Fungus share a common ancestor at the Genus level: Hydnellum.

Conservation Status

Bitter Tooth

NT — Near Threatened

Blue Corky Spine Fungus

CR — Critically Endangered

Physical Characteristics

Attribute	Bitter Tooth	Blue Corky Spine Fungus
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.

Blue Corky Spine Fungus

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). 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.

Blue Corky Spine Fungus

The Blue Corky Spine Fungus (Hydnellum caeruleum) is a species in the genus Hydnellum. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden