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Blue Tooth

Hydnellum caeruleum

A species of Hydnellum, Also known as Blue Spine

One of the distinguishing characteristics of the blue Tooth fungus is its unpleasant, mealy odor. Named after the distinctive blue color of its fruit body, Blue Tooth loses its coloration as it ages. The fungus contains several pigments which can be used for dyeing wool and other fabrics.

Cap Diameter
Cap Diameter:

3 - 15 cm

Odor
Odor:

Slightly flour-like fragrance.

General Info About Blue Tooth
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Attributes of Blue Tooth
Cap Diameter
3 - 15 cm
Height
3 - 7 cm
Cap
Cap 3 - 15 cm across; top-shaped to convex, flat; white to pale yellowish, brownish; velvety and lumpy
Cap Shape
Convex, Flat, Depressed
Cap Surfaces
Velvety
Stem
Stem 2 - 5 cm long, 1 - 3 cm thick; cylindric, slightly swollen base; orange-brown
Stem Shapes
Cylindrical
Stem Surfaces
Smooth
Flesh
Tough but pliant; whitish to orangish or brownish, slightly bluish
Ring
Ringless
Spore Print Color
Brown
Odor
Slightly flour-like fragrance.
Body Color
Brown
Yellow
White
Orange
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
Growth Form
Solitary, Gregarious
Nutrient Gathering
Mycorrhizal
Substrate
On soil
You can find Blue Tooth by these plants:
Pines, Spruces, Firs
Occurence Habitats
Coniferous Woodland, Mixed Woodland
Species Status
Widely distributed
Endangered Species
No
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Habitat of Blue Tooth
Blue Tooth typically resides in coniferous forests and can also be found in hardwood areas with oak presence.
Distribution Area of Blue Tooth
North America,Europe,northern Asia
Scientific Classification of Blue Tooth
Similar Species to Blue Tooth
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Tips for Finding Blue Tooth
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What are the Ideal Soil Conditions for Blue Tooth
Acidic, moist soil with organic debris.
What are Some Tips for Finding Blue Tooth
  • Focus on coniferous forests, seeking areas with pine, fir, or spruce trees.
  • Investigate the base of trees, as blue Tooth often grows near the roots or at the tree's drip line.
  • Look for moist soil that is rich in organic matter, such as decaying wood or leaf litter.
  • Gently brush away the top layer of debris to reveal mushrooms that may be hidden.
How to Clean and Preserve Blue Tooth
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Common Questions People Also Ask
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