Velvet Tooth
EN

Velvet Tooth

Hydnellum spongiosipes

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Hydnellum_spongiosipes

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

The Velvet Tooth faces severe decline due to nitrogen pollution from agricultural runoff and atmospheric deposition, which fundamentally alters soil chemistry in its preferred habitats. Old-growth forest destruction has eliminated many historical populations, as this species requires the complex mycorrhizal networks found only in mature woodland ecosystems. Climate change compounds these pressures by disrupting the delicate moisture and temperature conditions necessary for fruiting body formation.

Threat summary

Habitat

Hydnellum spongiosipes occurs in mature coniferous and mixed forests, particularly those dominated by pine, spruce, and fir species where it forms ectomycorrhizal associations. The species requires nutrient-poor, acidic soils with stable moisture conditions and minimal nitrogen enrichment, typically found in undisturbed woodland environments.

TERRESTRIAL· major

Other threatened species in Bankeraceae

EN

Rosette Tooth

Hydnellum cumulatum

Unknown
Mealy ToothVU

Mealy Tooth

Hydnellum ferrugineum

Unknown
Zoned ToothVU

Zoned Tooth

Hydnellum concrescens

Unknown
VU

Gold Tooth

Hydnellum auratile

Unknown

Frequently asked questions

Why is Velvet Tooth classified as Endangered?
Velvet Tooth is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. The Velvet Tooth faces severe decline due to nitrogen pollution from agricultural runoff and atmospheric deposition, which fundamentally alters soil chemistry in its preferred habitats. Old-growth forest destruction has eliminated many historical populations, as this species requires the complex mycorrhizal networks found only in mature woodland ecosystems. Climate change compounds these pressures by disrupting the delicate moisture and temperature conditions necessary for fruiting body formation.
Where does Velvet Tooth live?
Velvet Tooth occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Velvet Tooth?
The main threats to Velvet Tooth are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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